Delhi's air quality slips into 'severe' zone, likely to worsen further
NEW DELHI: After oscillating between "poor" and "very poor" for over two weeks, Delhi's air quality slipped into the "severe" category on Tuesday. The pollution monitoring agencies predict further drop in the next few days. According to Central Pollution Control Board, the air quality index (AQI), on a scale of 0 to 500, was 402 as against 332 a day earlier and 271 a day before that. Calm wind conditions and slight rise in humidity, among other meteorological reasons, led to accumulation of pollutants within Delhi, said Met officials. AQI slipped a day after Commission for Air Quality Management (CAQM) announced relaxations, allowing resumption of construction work and entry of the trucks in Delhi. Last time the national capital recorded a "severe" AQI was on December 2. "It's difficult to establish now if the accumulation of the pollutants have happened due to lifting the CAQM bans as the weather conditions have changed. We will have to observe the trend," said Anumita Roy Chawdhury, executive director at Centre for Science and Environment. According to SAFAR, the air quality is likely to worsen due to low wind speeds. The wind speed was almost nil by the evening and may remain low for the next few days, said Mahesh Palawat of Skymet.
