The air quality in the national capital remained poor for the sixth consecutive day on Monday with stubble burning contributing seven per cent of the capital’s PM2.5 pollution. Air quality forecasting agency SAFAR said the air quality is likely to improve marginally over the next two days due to the westerly and southwesterly winds.
The Ministry of Earth Sciences’ air quality early warning system for Delhi has predicted that PM2.5 and PM10 levels in the capital may rise to 250 micrograms per cubic meter and 398 micrograms per cubic meter respectively on Diwali night.
The acceptable limits for PM2.5 and PM10 concentration are 60 micrograms per cubic meter and 100 micrograms per cubic meter. “The air quality is likely to be very poor on November 5 and 6 and may reach the upper end of the very poor category. PM2.5 will be the major polluter.”
SAFAR said 3,971 farm fires broke out in Delhi’s North West region on Sunday, the highest so far this season. “The share of crop residue burning emissions in PM2.5 is low due to unfavorable winds for transportation,” it said.
Data from the Central Pollution Control Board showed that the 24-hour average air quality index (AQI) in the capital was recorded at 281. It was 289 on Sunday and 268 on Saturday.
An AQI between zero and 50 is considered “good”, 51 and 100 “satisfactory”, 101 and 200 “moderate”, 201 and 300 “poor”, 301 and 400 “very poor”, and 401 and 500 “severe”. .
According to the CPCB, agencies in the Delhi-NCR region have resolved only 11 per cent of air pollution-related complaints since October 15, when the Graded Response Action Plan (GRAP) came into force to deal with the deteriorating air quality situation. . Area. Between October 15 and October 30, only 47 out of 424 complaints were resolved by agencies in Haryana, Uttar Pradesh and Rajasthan in Delhi and NCR cities.
Most of the complaints pertain to construction and demolition activities, unpaved roads, road dust, open dumping of waste and industrial waste and traffic congestion. GRAP is a set of anti-pollution measures in Delhi and its surrounding cities according to the gravity of the situation. This comes into force in mid-October when the air pollution levels in the region begin to deteriorate due to adverse meteorological conditions and stubble burning.
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