Met conditions in Delhi ‘extremely unfavourable’ for pollutant dispersion since this Sept: CPCB

By: |
October 16, 2020 4:00 PM

An analysis showed there were seven rainy days with cumulative rainfall of 121 mm, between September 1 and October 14 in 2019. This year, there have been only three rainy days with 21 mm rainfall during the same period, he said.

Ventilation index is the speed at which pollutants can get dispersed.team of volunteers in my constituency has started an awareness drive, urging commuters to do their bit.

Meteorological conditions in Delhi have been “extremely unfavourable” for dispersion of pollutants since this September as compared to last year, the Central Pollution Control Board (CPCB) said on Friday. CPCB Member Secretary Prashant Gargava said the PM10 concentration between September 1 and October 14 this year has been more as compared to the corresponding period last year.

An analysis showed there were seven rainy days with cumulative rainfall of 121 mm, between September 1 and October 14 in 2019. This year, there have been only three rainy days with 21 mm rainfall during the same period, he said.

“Meteorological conditions have been extremely unfavourable in September and October this year as compared to the corresponding period last year,” Gargava said. The average ventilation index has been 1,334 metre square per second in September and October this year as compared to 1,850 metre square per second during the corresponding period last year, the official said.

Ventilation index is the speed at which pollutants can get dispersed. A ventilation index lower than 6,000 sqm/second, with average wind speed less than 10 kmph, is unfavourable for dispersal of pollutants

Get live Stock Prices from BSE, NSE, US Market and latest NAV, portfolio of Mutual Funds, calculate your tax by Income Tax Calculator, know market’s Top Gainers, Top Losers & Best Equity Funds. Like us on Facebook and follow us on Twitter.

Financial Express is now on Telegram. Click here to join our channel and stay updated with the latest Biz news and updates.

Next Stories
1Delhi’s air quality continues to be ‘very poor’; some areas record ‘severe’ levels of pollution
2‘Exciting new discovery’! NASA to reveal results of its Moon program on Monday
3Delhi’s air quality continues to be ‘very poor’, likely to improve on October 26