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Air quality in Delhi is improving due to favorable wind speed


Air quality in Delhi improved from “very bad” to “bad” and the Air Quality Index (AQI) was 276 at 9 a.m. on Tuesday with favorable wind speed, until at 25 km / h, favoring the dispersion of pollutants during the last two days. Officials from India’s meteorological department said wind gusts of up to 20 km / h on Sunday and 25 km / h on Monday had resulted in marked improvement in air quality and better visibility.

The reason Delhi’s air quality on Sunday (349) and Monday (311) was recorded in the “very poor” category is that the AQI reading at any given point in time is an average of the AQI recorded at during the previous 24 hours. Neighbors Faridabad (270), Ghaziabad (232), Greater Noida (212), Gurugram (273) and Noida (232) have also experienced a marked improvement in air quality.

An AQI between zero and 50 is considered “good”, 51 and 100 “satisfactory”, 101 and 200 “moderate”, 201 and 300 “poor”, 301 and 400 “very bad”, and 401 and 500 “severe”. Earth Sciences Ministry air quality monitor SAFAR said local and transport winds are expected to slow from Wednesday and cause air quality to deteriorate slightly.

The Delhi government lifted the ban on construction and demolition activities on Monday due to improved air quality and inconvenience to workers. The government will take an appeal on the reopening of schools, colleges and other educational institutions and working from home for its employees at a review meeting on Wednesday.

“We will also discuss whether CNG-powered trucks carrying non-essential items can be allowed into Delhi if the situation continues to improve,” Environment Minister Gopal Rai said. The city government on Sunday evening extended homework for its employees and the entry ban on trucks carrying non-essential items until November 26 to tackle air pollution and minimize its effects on the environment. health.


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