Delhi breathes easier, noodd­even­fornow

CLEANER AIR Govt files fresh plea as green court re­fuses ex­emp­tions; AQI down to 308

Hindustan Times (Amritsar) - - News - HT Cor­re­spon­dents htre­porters@hin­dus­tan­ n

NEW DELHI: The Na­tional Green Tri­bunal (NGT) sent back a Delhi gov­ern­ment pe­ti­tion seek­ing ex­emp­tions in the odd-even road ra­tioning scheme, call­ing it in­ad­e­quate, on a day when pol­lu­tion lev­els in the city im­proved dra­mat­i­cally.

The av­er­age air qual­ity in­dex (AQI), which was “se­vere” for the last seven days, fell more than 150 points to 308 on Tues­day pri­mar­ily due to higher wind speeds at the ground level.

“The lev­els of par­tic­u­late mat­ter, which had shot up nearly eight times above the safe stan­dards on Sun­day, are go­ing down,” Di­pankar Saha, chief of the Cen­tral Pol­lu­tion Con­trol Board air lab­o­ra­tory, told HT.

High-al­ti­tude winds that usu­ally bring in pol­lu­tants from out­side have calmed down, and the sur­face level winds that flush out lo­cal pol­lu­tants are gath­er­ing speed, the CPCB ex­pert said.

AQI im­proved in Pun­jab and Haryana too. “The high speed wind flow has par­tially re­moved the smog, which has en­veloped the Pun­jab,” said PPCB spokesper­son Cha­ran­jit Singh.

Sim­i­larly, the AQI in Rohtak im­proved sig­nif­i­cantly from 420 on Mon­day to be­tween 180 and 300 on Tues­day. “The air qual­ity has started im­prov­ing, not only in Delhi but also in NCR dis­tricts of Haryana,” said pol­lu­tion board of­fi­cial S Narayanan.

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