Delhi air pollution: PM2.5, PM10 levels shoot through the roof morning after Diwali

Friday, 5 November 2021Newsdesk

Delhi’s air turned severely polluted the morning after Diwali, with the city having witnessed bursting of firecrackers despite the ban. Levels of pollutants rose sharply from Thursday night onwards, data from the Delhi Pollution Control Committee (DPCC) indicates. At the Jawaharlal Nehru Stadium station for instance, PM2.5 levels increased from 389 µg/m3 at 8 pm Thursday to a high of 1,553 µg/m3 at 1 am on Friday. This is nearly 26 times the standard of 60 µg/m3 for PM2.5. It stood at around 1,164 µg/m3 at 6 am on Friday.

New Delhi, 05 November 2031

As per news report of The Indian Express, PM10 levels at the station also shot through the roof early on Friday morning. At the Jawaharlal Nehru Stadium monitoring stations, PM10 levels hit 1,643 µg/m3 at 1 am on Friday, up from 519 µg/m3 at 8 pm. The standard for PM10 levels is 100 µg/m3. Sulphur dioxide emissions recorded at the station also peaked around 1 am on Friday at 35.5 µg/m3, while the level of nitrogen oxides hit a high of 142.8 µg/m3 at 1 am, up from around 24.7 µg/m3 at 7 pm Thursday. At the Dwarka Sector-8 monitoring station as well, PM2.5 levels rose steadily late on Thursday night, to reach 1,250 at 11 pm and 1,312 by midnight.

Source - The Indian Express