Air qual­ity has im­proved: Vard­han


NEW DELHI: Amid all re­cent po­lit­i­cal and le­gal crossovers, the Union En­vi­ron­ment Min­is­ter Harsh Vard­han as­serted that the air qual­ity in the na­tional cap­i­tal was im­prov­ing. Echo­ing his view, the Me­te­o­ro­log­i­cal Depart­ment pre­dicted that the smog will be clear on Tues­day as wind speed has in­creased.

“There is a de­clin­ing trend in the lev­els of Par­tic­u­late Mat­ter (PM) at present, in­di­cat­ing an im­prove­ment in air qual­ity due to the ef­forts made by im­ple­ment­ing agen­cies,” said Harsh Vard­han.

The min­is­ter also said that there was a de­cline in PM10 val­ues – from 712.1 to 566.6 mi­cro­grams and de­cline in PM2.5 lev­els from 480 to 385.7 mi­cro­grams at 2 PM on Mon­day. Even with this trend, it is ex­pected that the de­cline in PM lev­els will con­tinue and air qual­ity is likely to fall back in the se­vere cat­e­gory.

Vard­han also pointed out that the present air qual­ity in Delhi NCR has been in the Se­vere Plus cat­e­gory and emer­gency con­di­tions due to ad­verse weather con­di­tions be­cause of western dis­tur­bances, stub­ble burn­ing and high lev­els of rel­a­tive hu­mid­ity.

“Ini­tially the con­di­tions started on Novem­ber 7 at 6 am and de­clined to se­vere cat­e­gory (con­cen­tra­tion less than 500 mi­cro­grams/m3 for PM10 and less than 300 mi­cro­grams/m3 for PM2.5) on Novem­ber 11 at 3 in the af­ter­noon. Later, the level has gone up again be­cause of ad­verse weather con­di­tions, which is fur­ther im­prov­ing now,” the min­is­ter added.

Mean­while, the MET depart­ment as­serted that the wind speed of Delhi on Mon­day was 8km/h which was "zero" on Sun­day. The depart­ment also pre­dicted that by the end of this week the wind speed will be­come 16 km/h which will take away the smog out of Delhi.

The ex­perts ear­lier found that this year the wind speed was be­low av­er­age which made the con­di­tion of Delhi worse. The stub­ble burn­ing at the ad­ja­cent states and other city pol­lu­tion sources made Delhi a ‘gas cham­ber' this year.

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