Favourable winds give Delhi its best air quality in 22 days
New Delhi Nov 23 PTI Delhis air quality improved from very poor to poor and the 24-hour average air quality index AQI read 290 on Tuesday with favourable wind speed up to 25 kmph aiding dispersion of pollutants over the last two daysThis is the second best 24-hour average AQI reading this month since November 1 281Delhi has seen very poor or severe air quality on the rest of the daysOfficials at the India Meteorological Department said winds gusting up to 20 kmph on Sunday and 25 kmph on Monday led to a marked improvement in the air quality and visibilityThe reason why Delhis air quality on Sunday 349 and Monday 311 was recorded in the very poor category is that the AQI reading at any given time is an average of AQIs recorded in the previous 24 hoursNeighbouring Faridabad 279 Ghaziabad 268 Greater Noida 255 Gurgaon 276 and Noida 252 also saw a marked improvement in the air qualityAn AQI between zero and 50 is considered good 51 and 100 satisfactory 101 and 200 moderate 201 and 300 poor 301 and 400 very poor and 401 and 500 severeThe Ministry of Earth Sciences air quality monitor SAFAR said transport-level winds are likely to slow down and change direction from northwest to south-southeast on Wednesday leading to further improvement in the air quality albeit within the poor category Local surface wind speed will be relatively low for the next three days and reduce dispersion of pollutants Surface winds are likely to pick up from November 27 The air quality is likely to be within the poor category for the next three days it said Stubble burning accounted for 3 per cent of Delhis PM25 pollution on Tuesday The Delhi government on Monday lifted the ban on construction and demolition activities in view of improvement in the air quality and the inconvenience caused to workersThe government will take a call on the reopening of schools colleges and other educational institutions and work-from-home for its employees during a review meeting on WednesdayWe will also discuss if CNG-operated trucks carrying non-essential items can be allowed to enter Delhi if the situation continues to improve Environment Minister Gopal Rai saidThe city government had on Sunday night extended work-from-home for its employees and the ban on the entry of trucks carrying non-essential items till November 26 to combat air pollution and minimise its health effects PTI GVS RHL
New Delhi Nov 23 PTI Delhis air quality improved from very poor to poor and the 24-hour average air quality index AQI read 290 on Tuesday with favourable wind speed up to 25 kmph aiding dispersion of pollutants over the last two daysThis is the second best 24-hour average AQI reading this month since November 1 281Delhi has seen very poor or severe air quality on the rest of the daysOfficials at the India Meteorological Department said winds gusting up to 20 kmph on Sunday and 25 kmph on Monday led to a marked improvement in the air quality and visibilityThe reason why Delhis air quality on Sunday 349 and Monday 311 was recorded in the very poor category is that the AQI reading at any given time is an average of AQIs recorded in the previous 24 hoursNeighbouring Faridabad 279 Ghaziabad 268 Greater Noida 255 Gurgaon 276 and Noida 252 also saw a marked improvement in the air qualityAn AQI between zero and 50 is considered good 51 and 100 satisfactory 101 and 200 moderate 201 and 300 poor 301 and 400 very poor and 401 and 500 severeThe Ministry of Earth Sciences air quality monitor SAFAR said transport-level winds are likely to slow down and change direction from northwest to south-southeast on Wednesday leading to further improvement in the air quality albeit within the poor category Local surface wind speed will be relatively low for the next three days and reduce dispersion of pollutants Surface winds are likely to pick up from November 27 The air quality is likely to be within the poor category for the next three days it said Stubble burning accounted for 3 per cent of Delhis PM25 pollution on Tuesday The Delhi government on Monday lifted the ban on construction and demolition activities in view of improvement in the air quality and the inconvenience caused to workersThe government will take a call on the reopening of schools colleges and other educational institutions and work-from-home for its employees during a review meeting on WednesdayWe will also discuss if CNG-operated trucks carrying non-essential items can be allowed to enter Delhi if the situation continues to improve Environment Minister Gopal Rai saidThe city government had on Sunday night extended work-from-home for its employees and the ban on the entry of trucks carrying non-essential items till November 26 to combat air pollution and minimise its health effects PTI GVS RHL
