Delhi pollution: Air quality in National Capital enters 'very poor' category, likely to turn 'severe' in next two days, warn officials

  • Air quality in the National Capital entered the 'very poor' category on Wednesday and is likely to turn severe over the next two days.

  • The national capital's air quality index was 301 at 4 pm on Wednesday, up from 242 at 4 pm on Tuesday, according to the Central Pollution Control Board.

  • The government's air quality monitoring and forecasting service SAFAR said the air quality in Delhi may enter the severe category in some parts of Delhi by Friday.

New Delhi: Air quality in the National Capital entered the 'very poor' category on Wednesday and is likely to turn severe over the next two days due to prevailing calm winds and increased incidents of farm fires, officials said.

The national capital's air quality index (AQI) was 301 at 4 pm on Wednesday, up from 242 at 4 pm on Tuesday, according to the Central Pollution Control Board (CPCB).

 Delhi pollution: Air quality in National Capital enters very poor category, likely to turn severe in next two days, warn officials

Representational image. PTI

With an AQI of 366, Ghaziabad was the most-polluted in the country on Wednesday, the CPCB data revealed. Greater Noida (340) and Noida (320) also recorded their AQI in the "very poor" category.

An AQI between 201 and 300 is considered "poor", 301-400 "very poor" and 401-500 "severe".

The government's air quality monitoring and forecasting service SAFAR said the air quality in Delhi may enter the severe category in some parts of Delhi by Friday.

It will be mainly due to two factors — calm surface winds in Delhi are likely to prevent dispersion of pollutants and the fire count has increased significantly (around 1,000) as compared to last week.

However, the direction of transport-level will continue to fluctuate between easterly to northerly and may not bring significant farm fire plume to Delhi on Thursday.

The smoke from stubble burning accounted for 14 percent of Delhi pollution on Wednesday. It is likely to dip to decrease to 7 percent.

Weather experts said a fresh western disturbance is expected to increase the wind speed and improve ventilation which will help bring down pollution levels.

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Updated Date: Nov 20, 2019 20:07:23 IST