New Delhi’s air quality worsens, enters severe category again

If you are a fitness freak, just make sure you do not do it in the open during morning and evening hours, say doctors. Photo: PTI

A week after the wind speed reduced the pollution levels marginally in Delhi, the air quality in the national capital worsened again and slipped into the severe category on Tuesday morning.
At 9.36 am, the air quality index (AQI) in Delhi was 414. The AQI at Bawana, Wazirpur, Anand Vihar and Rohini was 445, 442, 442 and 440 respectively.
According to the government air quality monitoring service SAFAR, the city’s air quality was in the very poor category on Monday which turned to severe by the evening. The average AQI stood at 360 on Sunday.
In the National Capital Region (NCR), the AQI in Noida was 436, while Ghaziabad recorded an AQI of 445. Greater Noida, Gurgaon and Faridabad recorded AQI of 436, 365 and 404 respectively.
On Monday, most of the 37 air quality monitoring stations in Delhi recorded air quality in the severe category.
An AQI between 0-50 is considered good, 51-100 satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 severe. Above 500 falls in the severe plus category.
With the winter setting in, a dip in the minimum temperature makes the air cold and heavy leading to accumulation of pollutants close to the ground.

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