Air quality in the national capital was bad for the sixth day in a row on Monday due to burning straw for seven per cent of PM2.5 pollution in the capital.
Air quality forecasting agency SAFAR said winds from the west and southwest could cause slight improvement in air quality over the next two days.
The air quality early warning system of the Ministry of Earth Sciences for Delhi has predicted that PM2.5 and PM10 levels in the capital could be pushed to 250 micrograms per cubic meter and 398 micrograms per cubic meter, respectively, on Diwali night.
The acceptable limits for PM2.5 and PM10 concentrations are 60 micrograms per cubic meter and 100 micrograms per cubic meter.
“On 5 and 6 November air quality is likely to deteriorate significantly and it could reach the upper end of the extremely poor class. PM2.5 could be the main pollutant,” it said.
According to SAFAR, 3,971 farms caught fire in northwestern Delhi on Sunday, the highest so far this season.
“The amount of crop residue burning in PM2.5 is low due to unfavorable winds for transportation,” it says.
Data from the Central Pollution Control Board shows that the capital has recorded a 24-hour average air quality index (AQI) of 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 effect to address the deterioration of air quality. Region.
Between October 15 and October 30, 47 of the 424 complaints were resolved in the NCR cities of Delhi and Haryana, Uttar Pradesh and Rajasthan.
Most of the complaints relate to construction and demolition activities, unpaved roads, road dust, open dumping of garbage and industrial waste and traffic jams.
GRAP is a set of anti-pollution measures in Delhi and surrounding cities, depending on the severity of the situation. It takes effect in mid-October when air pollution levels in the region begin to deteriorate due to unfavorable weather conditions and hay burning.