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Clean Air & Sustainable Mobility

First Severe Smog Episode Hits Delhi, Could Be Longest In 4 Years: Report

The first extreme smog episode has hit Delhi and the National Capital Region (NCR) and is predicted to final for one more two days, inexperienced think-tank Centre for Science and Environment (CSE) mentioned at the moment. Even although the seasonal smog in Delhi is intense, the common each day contribution of smoke from farm fires from the center of October to November 8 has been the bottom in final 4 years, it mentioned. “Predictably, the season’s first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers,” mentioned Anumita Roychowdhury, government director, analysis and advocacy, CSE. Compared to the primary smog episode of earlier 4 years, the present smog has matched the period of the primary smog of 2018 and 2020 season — each lasted six days. If circumstances do not enhance, it’d overtake the 2019 smog that lasted eight days, the CSE mentioned. The common depth of the smog this 12 months up to now is 329 microgram per cubic metre per day, which is decrease than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is extra intense than the 2018 smog (about 9 per cent). Lingering on of this 12 months’s smog for longer period regardless of comparatively windier native circumstances is likely to be as a result of lack of air pollution management measures within the metropolis, the inexperienced suppose tank mentioned. “While very high concentrations of PM2.5 have hogged attention, the levels of gases – ozone, CO or NO2 — have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017,” mentioned Avikal Somvanshi, programme supervisor, Urban Lab, CSE. This evaluation relies on the true time information obtainable from the present working air high quality monitoring stations in Delhi-NCR and the bigger Indo-Gangetic Plain. “On an average, contribution of smoke to Delhi’s daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR),” the CSE mentioned. (*4*) it mentioned. However, the height contribution of smoke to Delhi’s PM degree was recorded on seventh November when it hit 48 per cent. This the second highest each day contribution share recorded since such estimation was began by SAFAR in 2018. The highest single day contribution share has been 58 per cent recorded on November 5, 2018.

Clean Air & Sustainable Mobility

India News | Delhi in Grip of Season's First Smog Episode, Likely to Be Longest in 4 Yrs: CSE

Get latest articles and stories on India at LatestLY. The first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said on Wednesday. The first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said on Wednesday. Even though the seasonal smog in Delhi is intense, the average daily contribution of smoke from farm fires from the middle of October to November 8 has been the lowest in last four years, it said. “Predictably, the season's first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers,” said Anumita Roychowdhury, executive director, research and advocacy, CSE. Compared to the first smog episode of previous four years, the current smog has matched the duration of the first smog of 2018 and 2020 season -- both lasted six days. If conditions don't improve, it might overtake the 2019 smog that lasted eight days, the CSE said. Also Read | Chandigarh: Elderly Woman Duped of Gold Jewellery By Two Fraudsters. The average intensity of the smog this year so far is 329 microgram per cubic metre per day, which is lower than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is more intense than the 2018 smog (about 9 per cent). Lingering on of this year's smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the green think tank said. “While very high concentrations of PM2.5 have hogged attention, the levels of gases – ozone, CO or NO2 -- have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017," said Avikal Somvanshi, programme manager, Urban Lab, CSE. This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain. “On an average, contribution of smoke to Delhi's daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR),” the CSE said. “If converted to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this year so far compared to 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018,” it said. However, the peak contribution of smoke to Delhi's PM level was recorded on 7th November when it hit 48 per cent. This the second highest daily contribution percentage recorded since such estimation was started by SAFAR in 2018. The highest single day contribution percentage has been 58 per cent recorded on November 5, 2018. “The ongoing smog episode is a public health emergency. This requires urgent emergency action on key combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no wind to blow this away. We need pollution-source-wise and hotspot-wise status of action,” Roychowdhury said.

Clean Air & Sustainable Mobility

First Severe Smog Episode Hits Delhi, Could Be Longest In 4 Years: Report

The first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said today. Even though the seasonal smog in Delhi is intense, the average daily contribution of smoke from farm fires from the middle of October to November 8 has been the lowest in last four years, it said. “Predictably, the season’s first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers,” said Anumita Roychowdhury, executive director, research and advocacy, CSE. Compared to the first smog episode of previous four years, the current smog has matched the duration of the first smog of 2018 and 2020 season — both lasted six days. If conditions don’t improve, it might overtake the 2019 smog that lasted eight days, the CSE said. The average intensity of the smog this year so far is 329 microgram per cubic metre per day, which is lower than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is more intense than the 2018 smog (about 9 per cent). Lingering on of this year’s smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the green think tank said. “While very high concentrations of PM2.5 have hogged attention, the levels of gases – ozone, CO or NO2 — have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017,” said Avikal Somvanshi, programme manager, Urban Lab, CSE. This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain. “On an average, contribution of smoke to Delhi’s daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR),” the CSE said. “If converted to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this year so far compared to 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018,” it said. However, the peak contribution of smoke to Delhi’s PM level was recorded on 7th November when it hit 48 per cent. This the second highest daily contribution percentage recorded since such estimation was started by SAFAR in 2018. The highest single day contribution percentage has been 58 per cent recorded on November 5, 2018

Clean Air & Sustainable Mobility

Centre For Science And Environment

Clean Air & Sustainable Mobility

First severe smog episode hits Delhi, may be longest in 4 years: Report

The average intensity of smog in Delhi so far is 329 micrograms per cubic meter per day. Green think-tank Center for Science and Environment (CSE) today said that the first severe smog episode has affected Delhi and National Capital Region (NCR) and is expected to last for the next two days. Although the seasonal haze in Delhi is intense, the average daily contribution of smoke from farm fires from mid-October to November 8 has been the lowest in the past four years. “Presumably, the first episode of the season has started with a combined effect of adverse weather conditions (cold and calm winds and inversion), stubble burning and firecrackers,” said Anumita Roychowdhury, executive director (research and advocacy), CSE. Compared to the first smog episode of the previous four years, the current smog corresponds to the first smog period of the 2018 and 2020 seasons – both lasting six days. The CSE said that if the situation does not improve, it may go beyond the eight-day haze of 2019. The average smog intensity so far this year is 329 micrograms per cubic meter per day, which is lower than the 2020 smog (7%) and 2019 smog (3%). It is more intense than the 2018 smog (around 9 per cent). The green think tank said this year’s haze could be prolonged despite relatively windy local conditions, due to a lack of pollution control measures in the city. “While very high concentrations of PM2.5 have attracted attention, levels of gases – ozone, CO or NO2 – remain elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night This indicates an increase in pollution load. Firecrackers. The concentration of PM2.5 on Diwali night (8 PM to 8 AM) has been the most intense since 2017,” said Avikal, Program Manager, Urban Lab, CSE. Somvanshi said. The analysis is based on real-time data available from currently operational air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic plain. “On an average, the contribution of smoke to Delhi’s daily PM2.5 during mid-October to November 8 has been the lowest in the last four years. So far, it has been recorded at an average of 12 per cent per day as against an average of 17 per cent per day. per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR),” the CSE said. “If converted into absolute concentrations, the per day contribution of smoke so far this year was 26 micrograms per cubic meter, compared to 35 micrograms per cubic meter in 2020, 40 micrograms per cubic meter in 2019 and 31 micrograms per cubic meter in 2018. meters,” it said. However, the peak contribution of smoke to Delhi’s PM level was recorded on November 7, when it reached 48 per cent. This is the second highest daily contribution percentage recorded since such an estimate was introduced by SAFAR in 2018. The highest single day contribution percentage has been recorded at 58 percent as on November 5, 2018.

Clean Air & Sustainable Mobility

First Severe Smog Episode Hits Delhi, Could Be Longest In 4 Years: Report

Clean Air & Sustainable Mobility

Delhi Air Pollution: स्मॉग से और ज्यादा जहरीली हुई दिल्ली की हवा, बच्चों और बुजुर्गों को सतर्क रहने की सलाह

Delhi Air Pollution दिल्ली की हवा में पराली के प्रदूषण की हिस्सेदारी 27 फीसदी के लगभग रही। दो दिन पहले यह हिस्सेदारी 48 फीसदी तक पहुंच गई थी। बाजवूद इसके जलहरीली हवा से निजात नहीं मिली। खराब होती हवा के बीच बच्चों और बुजुर्गों को सतर्क रहने की जरूरत है नई दिल्ली। राष्ट्रीय राजधानी दिल्ली में वायु प्रदूषण ( Delhi Air Pollution ) ने लोगों की मुश्किलें बढ़ा रखी हैं। पराली के धुएं का असर कम होने पर भी दिल्ली की हवा दमघोंटू बनी हुई है। केंद्र की ओर से संचालित संस्था सफर के मुताबिक बुधवार को एक्यूआई 382 पर बना हुआ है जो खतरनाक श्रेणी में आता है, जबकि मंगलवार को ये 400 का आंकड़ा पार कर गया। दिल्ली की हवा में पराली के प्रदूषण की हिस्सेदारी 27 फीसदी के लगभग रही। दो दिन पहले यह हिस्सेदारी 48 फीसदी तक पहुंच गई थी। बाजवूद इसके जलहरीली हवा से निजात नहीं मिली। खराब होती हवा के बीच बच्चों और बुजुर्गों को सतर्क रहने की जरूरत है। यह भी पढ़ेँः <a href="https://www.patrika.com/national-news/kumar-vishwas-target-delh-cm-arvind-kejriwal-by-sharing-6-year-old-video-on-yamuna-river-pollution-7163626/">कुमार विश्वास ने केजरीवाल सरकार पर कसा तंज, शेयर किया 2015 का वीडियो</a> हवा की रफ्तार बढ़ने के चलते दिल्ली में सोमवार को प्रदूषण के स्तर में हल्की गिरावट दर्ज की गई थी। जिससे लोगों को राहत की सांस ली, सोमवार को वायु गुणवत्ता सूचकांक 400 के अंक के नीचे यानी बेहद खराब श्रेणी में पहुंच गया था। लेकिन, मंगलवार को औसत वायु गुणवत्ता सूचकांक एक बार फिर से 400 के अंक के पार यानी गंभीर श्रेणी में पहुंच गया। दिनभर स्मॉग की एक हल्की परत भी देखने को मिली। स्मॉग के चलते दिल्ली की हवा और जहरीली हो रही है। हालांकि बुधवार को एक्यूआई 400 के नीचे यानी 382 दर्ज किया गया, लेकिन ये भी खतरनाक श्रेणी में बना हुआ है, जो चिंता बढ़ाने वाला है। मौसम की जानकारी देने वाली निजी संस्था स्काईमेट वेदर के उपाध्यक्ष महेश पलावत के मुताबिक अगले एक सप्ताह तक प्रदूषण से बहुत राहत मिलने की उम्मीद नहीं है, क्योंकि पराली जलने की घटनाएं अभी ज्यादा ही रहेंगी, जबकि तापमान लगातार कम होगा। बच्चों और बुजुर्गों को ज्यादा खतरा जहरीली हवा का सबसे ज्यादा असर बच्चों और बुजुर्गों को में देखने को मिल रहे हैं। सांस लेने में शिकायत के चलते कई बच्चों को भर्ती भी किया गया है। SAFAR ने हेल्‍थ एडवायजरी में लोगों को जहां तक हो सके, बाहर कदम न रखने की सलाह दी है। खास तौर पर बच्चों और बुजुर्गों को सतर्क रहने की जरूरत है। बादलों की वजह से मिक्सिंग हाइट अगले दो दिनों तक कुछ कम रहेगी, जिसकी वजह से स्मॉग दिख सकता है। लेकिन एक्यूआई बेहद खराब स्तर पर बनेगा और लोगों की परेशानियां खत्म नहीं होंगी।

Clean Air & Sustainable Mobility

Delhi in grip of season’s 1st smog episode, could be longest in 4 yrs: Report

New Delhi: The first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said on Wednesday. Even though the seasonal smog in Delhi is intense, the average daily contribution of smoke from farm fires from the middle of October to November 8 has been the lowest in last four years, it said. “Predictably, the season’s first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers,” said Anumita Roychowdhury, executive director, research and advocacy, CSE. Compared to the first smog episode of previous four years, the current smog has matched the duration of the first smog of 2018 and 2020 season — both lasted six days. If conditions don’t improve, it might overtake the 2019 smog that lasted eight days, the CSE said. The average intensity of the smog this year so far is 329 microgram per cubic metre per day, which is lower than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is more intense than the 2018 smog (about 9 per cent). Lingering on of this year’s smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the green think tank said. “While very high concentrations of PM2.5 have hogged attention, the levels of gases – ozone, CO or NO2 — have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017,” said Avikal Somvanshi, programme manager, Urban Lab, CSE. This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain. “On an average, contribution of smoke to Delhi’s daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR),” the CSE said. “If converted to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this year so far compared to 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018,” it said. However, the peak contribution of smoke to Delhi’s PM level was recorded on 7th November when it hit 48 per cent. This the second highest daily contribution percentage recorded since such estimation was started by SAFAR in 2018. The highest single day contribution percentage has been 58 per cent recorded on November 5, 2018. “The ongoing smog episode is a public health emergency. This requires urgent emergency action on key combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no wind to blow this away. We need pollution-source-wise and hotspot-wise status of action,” Roychowdhury said.

Clean Air & Sustainable Mobility

Delhi-NCR Gripped by Season’s First Smog Episode, Could be Longest in 4 Years: CSE Report

Lingering on of this year's smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the green think tank said. New Delhi: Raising major concerns about the overall health and well-being of residents, the first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said on Wednesday. Though the seasonal smog in Delhi is intense, the average daily contribution of smoke from farm fires from the middle of October to November 8 has been the lowest in last four years, it said.Also Read - Air Pollution Crisis : Expert Tips to Protect Yourself From Unhealthy Air | Watch Video Compared to the first smog episode of previous four years, the current one has matched the duration of the first smog of 2018 and 2020 season — both lasted six days. If conditions don’t improve, it might overtake the 2019 smog that lasted eight days, the CSE said. The average intensity of the smog this year so far is 329 microgram per cubic metre per day, which is lower than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is more intense than the 2018 smog (about 9 per cent). Also Read - Nehru Place Should Not Become A Slum: Delhi HC Directs SDMC to Give Suggestions on Squatters Management As predicted, the season’s first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers, Anumita Roychowdhury, executive director, research and advocacy, CSE was quoted as saying. Lingering on of this year’s smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the CSE added. Also Read - IRCTC Latest News: Ranchi Rajdhani Route Changed From Tomorrow | Check Stoppage, and Other Details “While very high concentrations of PM2.5 have hogged attention, the levels of gases ozone, CO or NO2 — have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017,” said Avikal Somvanshi, programme manager, Urban Lab, CSE. This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain. More points to know for this big story on air pollution in Delhi-NCR this year: On an average, contribution of smoke to Delhi’s daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR), the CSE said. If converted to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this year so far compared to 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018, it said. However, the peak contribution of smoke to Delhi’s PM level was recorded on 7th November when it hit 48 per cent. This the second highest daily contribution percentage recorded since such estimation was started by SAFAR in 2018. The highest single day contribution percentage has been 58 per cent recorded on November 5, 2018. “The ongoing smog episode is a public health emergency. This requires urgent emergency action on key combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no wind to blow this away. We need pollution-source-wise and hotspot-wise status of action,” Roychowdhury said.

Clean Air & Sustainable Mobility

Delhi in grip of season's first smog episode, likely to be longest in 4 yrs

This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain The first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said on Wednesday. Even though the seasonal smog in Delhi is intense, the average daily contribution of smoke from farm fires from the middle of October to November 8 has been the lowest in last four years, it said. Predictably, the season's first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers, said Anumita Roychowdhury, executive director, research and advocacy, CSE. Compared to the first smog episode of previous four years, the current smog has matched the duration of the first smog of 2018 and 2020 season -- both lasted six days. If conditions don't improve, it might overtake the 2019 smog that lasted eight days, the CSE said. The average intensity of the smog this year so far is 329 microgram per cubic metre per day, which is lower than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is more intense than the 2018 smog (about 9 per cent). Lingering on of this year's smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the green think tank said. While very high concentrations of PM2.5 have hogged attention, the levels of gases ozone, CO or NO2 -- have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017," said Avikal Somvanshi, programme manager, Urban Lab, CSE. This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain. On an average, contribution of smoke to Delhi's daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR), the CSE said. If converted to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this year so far compared to 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018, it said. However, the peak contribution of smoke to Delhi's PM level was recorded on 7th November when it hit 48 per cent. This the second highest daily contribution percentage recorded since such estimation was started by SAFAR in 2018. The highest single day contribution percentage has been 58 per cent recorded on November 5, 2018. The ongoing smog episode is a public health emergency. This requires urgent emergency action on key combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no wind to blow this away. We need pollution-source-wise and hotspot-wise status of action, Roychowdhury said.

Clean Air & Sustainable Mobility

Delhi in grip of first smog episode of season may be longest in 4 years: Report

New Delhi: Green think-tank Center for Science and Environment (CSE) on Wednesday said the first severe smog episode has affected Delhi and the National Capital Region (NCR) and is expected to last for the next two days. Although the seasonal haze in Delhi is intense, the average daily contribution of smoke from farm fires from mid-October to November 8 has been the lowest in the past four years. CSE’s executive director (research and advocacy) Anumita Roychowdhury said, “Presumably, the first episode of the season has started with a combined effect of adverse weather conditions (cold and calm winds and inversion), stubble burning and firecrackers.” Compared to the first smog episode of the previous four years, the current smog corresponds to the first smog period of the 2018 and 2020 seasons – both lasting six days. The CSE said that if the situation does not improve, it may go beyond the eight-day haze of 2019. The average smog intensity so far this year is 329 micrograms per cubic meter per day, which is lower than the 2020 smog (7%) and 2019 smog (3%). It is more intense than the 2018 smog (around 9 per cent). The green think tank said this year’s haze could be prolonged despite relatively windy local conditions, due to a lack of pollution control measures in the city. “While very high concentrations of PM2.5 have attracted attention, levels of gases – ozone, CO or NO2 – remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night , which reflects the increasing pollution load from firecrackers. The concentration of PM2.5 on Diwali night (8 pm to 8 am) has been highest since 2017. The analysis is based on real-time data available from currently operational air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic plain. “On an average, the contribution of smoke to Delhi’s daily PM2.5 during mid-October to November 8 has been the lowest in the last four years. So far, it has been recorded at an average of 12 per cent per day, as against 17 per cent per day in 2020, 14 per cent per day in 2019 and 16 per cent per day in 2018 (as reported by SAFAR). CSE said. “If converted into absolute concentrations, the per day contribution of smoke so far this year was 26 micrograms per cubic meter as compared to 35 micrograms per cubic meter in 2020, 40 micrograms per cubic meter in 2019 and 31 micrograms per cubic meter in 2018. meter was ,” it said. However, the peak contribution of smoke to Delhi’s PM level was recorded on November 7, when it reached 48 per cent. This is the second highest daily contribution percentage recorded since such an estimate was introduced by SAFAR in 2018. The highest single day contribution percentage has been recorded at 58 percent as on November 5, 2018. “The ongoing smog episode is a public health emergency. This requires immediate emergency action on major combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no air to remove it. We need a situation of pollution-source-wise and hotspot-wise action,” Roychowdhury said.

Clean Air & Sustainable Mobility

Delhi in Grip of Season’s 1st Smog Episode, Likely to Be Longest in 4 Years: CSE

Clean Air & Sustainable Mobility

Delhi in Grip of Season’s 1st Smog Episode, Likely to Be Longest in 4 Years: CSE

The first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said on Wednesday. Even though the seasonal smog in Delhi is intense, the average daily contribution of smoke from farm fires from the middle of October to November 8 has been the lowest in last four years, it said. Predictably, the season’s first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers, said Anumita Roychowdhury, executive director, research and advocacy, CSE. Compared to the first smog episode of previous four years, the current smog has matched the duration of the first smog of 2018 and 2020 season — both lasted six days. If conditions don’t improve, it might overtake the 2019 smog that lasted eight days, the CSE said. The average intensity of the smog this year so far is 329 microgram per cubic metre per day, which is lower than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is more intense than the 2018 smog (about 9 per cent). Lingering on of this year’s smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the green think tank said. You might also like Taliban Gives Thumbs up to NSA-level Meet, Wants Economic Projects to Start, Jobs for Afghans Four Singareni Workers Die as Mine Roof Caves in at SRP-3 Srirampur in Mancherial district Mullaperiyar Dam Issue is Getting Hot Again in Kerala While very high concentrations of PM2.5 have hogged attention, the levels of gases ozone, CO or NO2 — have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017,” said Avikal Somvanshi, programme manager, Urban Lab, CSE. This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain. On an average, contribution of smoke to Delhi’s daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR), the CSE said. If converted to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this year so far compared to 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018, it said. However, the peak contribution of smoke to Delhi’s PM level was recorded on 7th November when it hit 48 per cent. This the second highest daily contribution percentage recorded since such estimation was started by SAFAR in 2018. The highest single day contribution percentage has been 58 per cent recorded on November 5, 2018. The ongoing smog episode is a public health emergency. This requires urgent emergency action on key combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no wind to blow this away. We need pollution-source-wise and hotspot-wise status of action, Roychowdhury said.

Clean Air & Sustainable Mobility

Delhi in grip of season’s 1st smog episode, could possibly be longest in 4 yrs: Report

New Delhi: The primary extreme smog episode has hit Delhi and the Nationwide Capital Area (NCR) and is anticipated to final for one more two days, inexperienced think-tank Centre for Science and Surroundings (CSE) stated on Wednesday. Get Grubhub+ Student free with your Prime Student membership Though the seasonal smog in Delhi is intense, the typical every day contribution of smoke from farm fires from the center of October to November 8 has been the bottom in final 4 years, it stated. episode has been triggered by the mixed impact of unfavourable climate circumstances (cool and calm winds and inversion), stubble burning and firecrackers,” stated Anumita Roychowdhury, govt director, analysis and advocacy, CSE. In comparison with the primary smog episode of earlier 4 years, the present smog has matched the length of the primary smog of 2018 and 2020 season — each lasted six days. If circumstances do not enhance, it would overtake the 2019 smog that lasted eight days, the CSE stated. The typical depth of the smog this yr thus far is 329 microgram per cubic metre per day, which is decrease than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It’s extra intense than the 2018 smog (about 9 per cent). Lingering on of this yr’s smog for longer length regardless of comparatively windier native circumstances could be as a result of lack of air pollution management measures within the metropolis, the inexperienced assume tank stated. “Whereas very excessive concentrations of PM2.5 have hogged consideration, the degrees of gases – ozone, CO or NO2 — have remained elevated throughout this smog episode. Additionally, the ratio of SO2 to NO2 elevated on Diwali evening indicating elevated air pollution load from firecrackers. The PM2.5 focus on Diwali evening (8 pm to eight am) has been probably the most intense since 2017,” stated Avikal Somvanshi, programme supervisor, City Lab, CSE. This evaluation is predicated on the true time knowledge out there from the present working air high quality monitoring stations in Delhi-NCR and the bigger Indo-Gangetic Plain. “On a median, contribution of smoke to Delhi’s every day PM2.5 throughout center of October to November 8 has been the bottom within the final 4 years. Up to now, it has recorded on a median 12 per cent per day in distinction to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR),” the CSE stated. “If transformed to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this yr thus far in comparison with 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018,” it stated. Nonetheless, the height contribution of smoke to Delhi’s PM degree was recorded on seventh November when it hit 48 per cent. This the second highest every day contribution share recorded since such estimation was began by SAFAR in 2018. The best single day contribution share has been 58 per cent recorded on November 5, 2018. “The continuing smog episode is a public well being emergency. This requires pressing emergency motion on key combustion sources (autos, business, waste burning) and mud sources (development and roads) to forestall additional trapping of air pollution when there is no such thing as a wind to blow this away. We want pollution-source-wise and hotspot-wise standing of motion,” Roychowdhury stated.

Clean Air & Sustainable Mobility

Delhi in grip of season's first severe smog episode, likely to be longest in 4 years: CSE

The archetypal terrible smog occurrence has deed Delhi and the National Capital Region (NCR) and is expected to past for different 2 days, greenish think-tank Centre for Science and Environment (CSE) said connected Wednesday. Even though the seasonal smog successful Delhi is intense, the mean regular publication of fume from workplace fires from the mediate of October to November 8 has been the lowest successful past 4 years, it said. "Predictably, the season's archetypal occurrence has been triggered by the combined effect of unfavourable upwind conditions (cool and calm winds and inversion), stubble burning and firecrackers," said Anumita Roychowdhury, enforcement director, probe and advocacy, CSE. Compared to the archetypal smog occurrence of erstwhile 4 years, the existent smog has matched the duration of the archetypal smog of 2018 and 2020 play -- some lasted six days. If conditions don't improve, it mightiness overtake the 2019 smog that lasted 8 days, the CSE said. The mean strength of the smog this twelvemonth truthful acold is 329 microgram per cubic metre per day, which is little than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is much aggravated than the 2018 smog (about 9 per cent). Lingering connected of this year's smog for longer duration contempt comparatively windier section conditions mightiness beryllium owed to the deficiency of contamination power measures successful the city, the greenish deliberation vessel said. "While precise precocious concentrations of PM2.5 person hogged attention, the levels of gases - ozone, CO oregon NO2 -- person remained elevated during this smog episode. Also, the ratio of SO2 to NO2 accrued connected Diwali nighttime indicating accrued contamination load from firecrackers. The PM2.5 attraction connected Diwali nighttime (8 p.m. to 8 am) has been the astir aggravated since 2017," said Avikal Somvanshi, programme manager, Urban Lab, CSE. This investigation is based connected the existent clip information disposable from the existent moving aerial prime monitoring stations successful Delhi-NCR and the larger Indo-Gangetic Plain. "On an average, publication of fume to Delhi's regular PM2.5 during mediate of October to November 8 has been the lowest successful the past 4 years. So far, it has recorded connected an mean 12 per cent per time successful opposition to 17 per cent per time successful 2020, 14 per cent per time successful 2019, and 16 per cent per time successful 2018 (as reported by SAFAR)," the CSE said. "If converted to implicit concentrations, the per time publication of fume stood astatine 26 microgram per cubic metre this twelvemonth truthful acold compared to 35 microgram per cubic metre successful 2020, 40 microgram per cubic metre successful 2019, and 31 microgram per cubic metre successful 2018," it said. However, the highest publication of fume to Delhi's PM level was recorded connected 7th November erstwhile it deed 48 per cent. This the 2nd highest regular publication percent recorded since specified estimation was started by SAFAR successful 2018. The highest azygous time publication percent has been 58 per cent recorded connected November 5, 2018. "The ongoing smog occurrence is simply a nationalist wellness emergency. This requires urgent exigency enactment connected cardinal combustion sources (vehicles, industry, discarded burning) and particulate sources (construction and roads) to forestall further trapping of contamination erstwhile determination is nary upwind to stroke this away. We request pollution-source-wise and hotspot-wise presumption of action," Roychowdhury said.

Clean Air & Sustainable Mobility

Delhi in Grip of Season’s 1st Smog Episode, Likely to Be Longest in 4 Years: CSE

The first severe smog episode has hit Delhi and the National Capital Region (NCR) and is expected to last for another two days, green think-tank Centre for Science and Environment (CSE) said on Wednesday. Even though the seasonal smog in Delhi is intense, the average daily contribution of smoke from farm fires from the middle of October to November 8 has been the lowest in last four years, it said. Predictably, the season's first episode has been triggered by the combined effect of unfavourable weather conditions (cool and calm winds and inversion), stubble burning and firecrackers, said Anumita Roychowdhury, executive director, research and advocacy, CSE. Compared to the first smog episode of previous four years, the current smog has matched the duration of the first smog of 2018 and 2020 season — both lasted six days. If conditions don't improve, it might overtake the 2019 smog that lasted eight days, the CSE said. The average intensity of the smog this year so far is 329 microgram per cubic metre per day, which is lower than that of the 2020 smog (by 7 per cent) and 2019 smog (by 3 per cent). It is more intense than the 2018 smog (about 9 per cent). Lingering on of this year's smog for longer duration despite relatively windier local conditions might be due to the lack of pollution control measures in the city, the green think tank said. While very high concentrations of PM2.5 have hogged attention, the levels of gases ozone, CO or NO2 — have remained elevated during this smog episode. Also, the ratio of SO2 to NO2 increased on Diwali night indicating increased pollution load from firecrackers. The PM2.5 concentration on Diwali night (8 pm to 8 am) has been the most intense since 2017," said Avikal Somvanshi, programme manager, Urban Lab, CSE. This analysis is based on the real time data available from the current working air quality monitoring stations in Delhi-NCR and the larger Indo-Gangetic Plain. On an average, contribution of smoke to Delhi's daily PM2.5 during middle of October to November 8 has been the lowest in the last four years. So far, it has recorded on an average 12 per cent per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019, and 16 per cent per day in 2018 (as reported by SAFAR), the CSE said. If converted to absolute concentrations, the per day contribution of smoke stood at 26 microgram per cubic metre this year so far compared to 35 microgram per cubic metre in 2020, 40 microgram per cubic metre in 2019, and 31 microgram per cubic metre in 2018, it said. However, the peak contribution of smoke to Delhi's PM level was recorded on 7th November when it hit 48 per cent. This the second highest daily contribution percentage recorded since such estimation was started by SAFAR in 2018. The highest single day contribution percentage has been 58 per cent recorded on November 5, 2018. The ongoing smog episode is a public health emergency. This requires urgent emergency action on key combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no wind to blow this away. We need pollution-source-wise and hotspot-wise status of action, Roychowdhury said.