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Delhi’s Air Likely To Remain ‘Very Poor’ For At Least A Week

CPCB recorded an AQI (air quality index) of 351, On OCTOBER 31, which falls in the ‘very poor’ category, while the day before it was 328

Air pollution
Highlights
  • Delhi air not likely to improve in the next one week: CPCB
  • Harmful particulates in the air not getting dispersed due to lack of wind
  • Wind from the stubble burning in Punjab and Haryana not entering Delhi

New Delhi: Delhi has turned virtually into an airtight box due to the near absence of any wind movement, which is consistently keeping the city’s air quality ‘very poor’, authorities said today. The Central Pollution Control Board (CPCB) informed the Supreme Court-mandated Environment Pollution (Prevention and Control Authority) that the situation is not likely to improve in the next one week.

“The particulates in the air are not getting dispersed due to the lack of wind while a large gap between the natural temperature and dew point, at which water droplets begin to condense, are keeping the pollutants trapped and making them float in the air”, CPCB’s air lab head Dipankar Saha said.

However, the air quality has not turned ‘severe’ yet as wind from the stubble-burning regions in Punjab and Haryana are not entering the national capital as of now. Mr Saha said while last year’s post-Diwali spike was more episodic in nature, this year the air quality has been consistently bad, making the overall situation worse than 2016.

The CPCB recorded an AQI (air quality index) of 351, which falls in the ‘very poor’ category, on Tuesday. On Monday, it was 328, while the day before it was 338.

A ‘very poor’ AQI comes with the warning that people may develop respiratory illness on prolonged exposure while exposure to ‘severe’ air affects healthy people and seriously impacts those with existing respiratory or cardiovascular diseases.

Also Read: This Diwali Emissions From Fireworks Fell By Around 40%: Study

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