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Delhi Pollution: Air quality ‘moderate’, AQI recorded at 253

Due to cold front up in the north, the wind speed has increased so a decline (in pollution) is expected

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Delhi Pollution: Air quality ‘moderate’, AQI recorded at 253

Unfavourable meteorological conditions that slowed down dispersion of pollutants has kept Delhi's air quality in the 'poor' category

The national capital on Friday woke up to a 'moderate' air quality. At the Lodhi Road area, the Air Quality Index (AQI) PM 2.5 was at 249 (moderate category) and PM 10 at 253 (moderate category), according to the news agency ANI. Unfavourable meteorological conditions that slowed down dispersion of pollutants has kept Delhi's air quality in the 'poor' category.

“According to the Air Quality Index (AQI) data, major pollutant PM 2.5 at 249 (moderate) and PM 10 at 253 (moderate), in Lodhi Road area,” ANI tweeted.

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On Thursday, The overall air quality index (AQI) of Delhi was recorded at 323, according to the Central Pollution Control Board (CPCB) data.

"Due to cold front up in the north, the wind speed has increased so a decline (in pollution) is expected. However, at the time of withdrawal after two to three days, a lot of moisture may enter Delhi which is not favourable for the air quality. The contribution from stubble biomass is nil," according to SAFAR. 

The Central Pollution Control Board (CPCB) has come out with a list of nearly six lakh diesel and petrol vehicles that are over 10-years-old and will not be allowed to ply in Haryana.

The lists give details of the registration mark series, the name of the authority and registration numbers of these vehicles plying in Haryana, including NCR cities of Gurgaon, Sonipat and Bahadurgarh.

As many as 2,87,613 petrol vehicles that were older than 15 years have been listed while 3,07,453 diesel vehicles more than 10-years-old have also been named, the CPCB said on its website.

Delhi is reeling under the menace of air pollution for the past couple of years. The region faced a major air quality crisis last year when severe pollution level forced the shutdown of schools and colleges. In 2016, the government tried to explore the possibility of cloud seeding for artificial rain but the plan never worked out.

AQI categories:

  1. An AQI between 0 and 50 is considered ‘good’
  2. AQI between 51 and 100 is ‘satisfactory’
  3. AQI between 101 and 200 is ‘moderate’
  4. AQI between 201 and 300 is ‘poor’
  5. AQI between 301 and 400 is ‘very poor’ 
Delhi Pollution CPCB AQI AQI categories