Delhi chokes as air quality slips to 'severe category'

Delhi chokes as air quality slips to ‘severe category’

The air quality of Delhi has dropped to ‘severe category’ on Saturday with Air Quality Index (AQI) at 499 (as recorded by SAFAR).

New Delhi: The air quality of Delhi has dropped to ‘severe category’ on Saturday with Air Quality Index (AQI) at 499 (as recorded by SAFAR). Almost all the stations across Delhi-NCR recorded an AQI under the ‘severe’ category.

 In Delhi’s Lodhi Road area AQI was reported at 476, at IIT Delhi area AQI was at 479 and in the Delhi university’s north campus area AQI was at 578 today.

According to the government agencies, AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 are marked as severe/hazardous.

SAFAR, in its daily bulletin, informed, “The AQI today is in a severe category and is likely to be the same tomorrow due to increase in stubble related fire counts and increase in transport level (925 mb) wind speed during the night. The effective fire count increased to 4056 today. Today’s share of crop residue burning is about 35 per cent in PM2.5.”

“A drop in the minimum temperature is likely for the next two days resulting in air quality to be in severe to the upper end of the very poor category. However, an increase in local surface wind speed helps disperse pollutants,” the bulletin read.

Meanwhile, the daily temperature in the national capital is at 12.6 degrees Celcius, the India Meteorological Department said. 

 

first published:Nov. 13, 2021, 9:51 a.m.

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