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2h ago

NCR Cities Top India’s Pollution Chart as PM2.5 Soars With 'Severe' Conditions Forecast by Nov. 22

Stagnant winds are trapping locally emitted PM2.5, prompting a forecast of 'severe' air on November 22.

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Experts say PM2.5 forms up to 60 percent of winter particulate load, with night hours seeing surges linked to clandestine burning. (Parveen Kumar/HT)
Ghaziabad recorded the worst AQI on the day, with a reading of 422. (Sakib Ali/HT Photo)

Overview

  • CPCB data show all 10 most polluted Indian cities on November 19 were in the NCR, led by Ghaziabad at 422, Greater Noida at 420, Noida at 409 and Delhi at 392 at 4 pm.
  • PM2.5 has dominated CPCB daily bulletins for nine straight days since November 11 and was the primary pollutant on 19 days this month.
  • IITM’s Early Warning System projects Delhi’s air to remain very poor through November 21 and likely turn severe on November 22, with a severe–very poor outlook for the following six days.
  • Decision Support System attribution estimates transport at 18.03% of Delhi’s PM2.5 on Wednesday, with stubble burning at 3.88% as six states logged 890 farm fires.
  • Stage-3 GRAP curbs continue with bans on non-essential construction and older private vehicles, while local agencies report night patrols, FIRs and challans targeting illegal waste burning.