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At 21 locations in Delhi, PM 2.5 levels higher than last year on Diwali | Delhi News


On Diwali day this year, most air quality monitoring stations of the Delhi Pollution Control Committee recorded higher particulate matter levels as compared to last year.

Out of 24 monitoring stations, 21 recorded higher PM 2.5 levels and 19 recorded higher PM 10 levels on Sunday (as compared to last Diwali), data from the DPCC shows.

The city’s most polluted location was Nehru Nagar with a PM 2.5 level of 483 µg/m3 and a PM 10 level of 677 µg/m3. In terms of PM 2.5 levels, Mandir Marg had a concentration of 478 µg/m3 on Diwali day. In terms of PM 10 levels, Anand Vihar followed Nehru Nagar with a PM 10 concentration of 654 µg/m3, and Jahangirpuri with a level of 580 µg/m3.

The 24-hour standard for PM10 is 100 µg/m3, while that for PM2.5 is 60 µg/m3.

This year, Diwali was later than it was last year, when it was in October. Delhi recorded its lowest minimum temperature of the season so far on Monday – 11.8 degrees Celsius – which is two degrees below the normal for this time of the year.

At 21 locations in Delhi, PM 2.5 levels higher than last year on Diwali

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The higher PM 10 and PM 2.5 levels at most monitoring stations on Diwali this year compared to 2022 is in keeping with the higher average for the city for the city as well.

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The average PM 2.5 level for the city this year — 314 µg/m3 — is up from 217 µg/m3 on Diwali day last year, but down from 607 µg/m3 on Diwali day in 2021, going by data from the DPCC.

Meanwhile, Environment Minister Gopal Rai said at a press conference Monday that the government will decide on implementing the odd-even scheme if Delhi’s air quality index reaches the ‘severe plus’ (450 or above) category. The 24-hour average AQI at 10 pm was 403, in the ‘severe’ category.

He also said an anti-open burning campaign will run from November 14 to December 14, and an anti-dust campaign will run from November 14 to 30.





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