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Air quality improves drastically in Delhi-NCR after light rain, gusty winds; AQI docks at 221 in national capital


NEW DELHI: The air high quality has improved considerably in Delhi and surrounding areas in Noida, Greater Noida, Ghaziabad and Gurgaon on account of gentle rain and beneficial wind velocity and was recorded within the ‘poor’ class after a 15-day spell of ‘very poor’ and ‘ extreme ‘air days.

The price range 24-hour common air high quality index (AQI) improved to 221 on Nov 16, which falls within the ‘poor’ class. It was 435 on Nov 15 and 414 on Nov 14 (Diwali). The final time Delhi’s AQI was recorded within the ‘poor’ class was on November 2. The AQI reached the ‘average’ class by 6 pm.

On the opposite hand, the common 24-hour AQI at 4 pm on Nov 16 was 186 in Faridabad, 207 in Ghaziabad, 226 in Greater Noida, 243 in Noida and 246 in Gurgaon, in line with CPCB’s Sameer app. On Nov 15, it was 448 in Ghaziabad, 441 in Noida, 417 in Greater Noida, 425 in Gurgaon and 414? In Faridabad.

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The central authorities’s Air Quality Early Warning System for Delhi stated AQI improved significantly after Diwali owing to rainfall and strong winds and is more likely to stay within the ‘average’ class on Tuesday. The air high quality is more likely to deteriorate marginally and hit the ‘poor’ class on Wednesday.

In Delhi-NCR, the degrees of PM2.5, which is about three per cent the diameter of a human hair and may result in untimely deaths from coronary heart and lung ailments? had been 88 microgram per cubic meter (g / m3) at 6 pm. The secure restrict is 60 g / m3.

PM10 degree stood at 135 g / m3 at 6 pm. PM10 ranges under 100 g / m3 is taken into account secure in India and 500 g / m3 is the emergency threshold.
The final time Delhi recorded such low PM10 ranges was on September 28. The neighboring cities of Faridabad (186), Ghaziabad (207), Greater Noida (226), Gurgaon (246) and Noida (243) recorded their AQI in ‘poor’ and ‘average’ classes after braving ‘extreme’ air high quality on Saturday and Sunday.

Delhi had recorded the worst pollution levels on Diwali in the last four years because of the mixed impact of stubble burning, firecrackers and unfavourable meteorological circumstances.

The air high quality on the day after Diwali was additionally the poorest since 2016.

In a particular report, the Central Pollution Control Board stated virtually all pollution reported greater values ​​on Diwali day this yr as in comparison with 2019. It may very well be attributed to bursting of firecrackers, greater share of stubble burning and unfavourable meteorology through the pageant season, the CPCB stated.

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