At 401, Delhi’s air quality slips into severe category

On Tuesday, the city’s air quality index (AQI) had settled at 379, in very poor zone, according to the 24-hour rolling average of Central Pollution Control Board (CPCB) recordings at 4pm
An EDMC vehicle sprinkles water over a road at Ghazipur to contain pollution, in New Delhi on November 23.(PTI)
An EDMC vehicle sprinkles water over a road at Ghazipur to contain pollution, in New Delhi on November 23.(PTI)
Updated on Nov 25, 2020 08:32 AM IST
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Hindustan Times, New Delhi | ByHT Correspondent | Edited by Smriti Sinha

Delhi’s air quality took a turn for the worse Wednesday with the city’s air quality slipping into the severe zone, with its AQI recording 401 at 6am.

On Tuesday, the city’s air quality index (AQI) had settled at 379, in very poor zone, according to the 24-hour rolling average of Central Pollution Control Board (CPCB) recordings at 4pm. On Monday, the AQI was in the same range but with a lower reading of 302. Government agencies forecast that the air quality could enter severe zone on Wednesday.

On Wednesday, the minimum temperature recorded at the Safdarjung observatory was 6.7 degrees Celsius, nearly four degrees below the season’s normal.

Also read | Diwali pollution this year higher than 2019: DPCC

Government data on farm fires and experts indicated that the current deterioration in Delhi’s air was largely due to weather conditions adverse to the dispersal of pollutants and local pollution sources (such as road and construction dust, vehicular emissions and garbage burning), reaffirming the argument that the root of the city’s annual ordeal goes beyond firecracker bursting on Diwali and burning of crop stubble in neighbouring states — two of the factors widely cited for the grim AQI readings in October-November.

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Sunday, November 28, 2021