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Thursday, August 18, 2022

Delhi air quality

DELHI AIR QUALITY NEWS

Delhi sees cleanest day of the year, air quality ‘satisfactory’

July 31, 2022 8:02 am

With the rainfall this month, the AQI has remained in the ‘satisfactory’ category for 24 out of 30 days of the month till Saturday. AQI between 51 and 100 is considered ‘satisfactory’ by the Central Pollution Control Board (CPCB).

Delhi’s air quality in March and April was above standard limits

July 07, 2022 1:54 pm

The average PM2.5 level in March this year was 98.98 µg/m3, higher than 95.67 µg/m3 in March last year, and 84.35 µg/m3 in March 2019.

No new smog tower as Delhi HC corrects its order

June 07, 2022 2:39 am

While noting that contract value is of Rs 125 crore, the court had asked the company to pay 10% (12.50 crore) of it for a public cause — for setting up the smog tower.

More than firecrackers, biomass burning made air poor after Diwali: IIT-Delhi study

May 26, 2022 2:18 am

The study titled ‘Chemical Speciation and Source Apportionment of Ambient PM2.5 in New Delhi Before, During, and After the Diwali Fireworks’ was published in the journal ‘Atmospheric Pollution Research’.

Over 20k metric tonnes of biomass used in seven NCR thermal plants

March 14, 2022 6:21 am

Using paddy straw in power plants is one way of minimising burning of stubble.

Delhi’s air quality in Feb was cleanest for the month since 2017

March 01, 2022 11:23 am

The city even recorded a day of ‘satisfactory’ air quality, when the AQI was between 51 and 100. This was due to strong winds and rainfall brought about by a western disturbance.

Delhi sees yet another air pollution-riddled winter, AQI remained in ‘severe’ category for 19 days

February 14, 2022 11:16 am

From October to January this winter, Delhi recorded 19 days when the Capital’s Air Quality Index (AQI) was in the ‘severe’ category with readings between 401 and 500.

Govt in Lok Sabha: Decline in number of poor air quality days in Delhi, Kolkata

February 08, 2022 4:00 am

Responding to a question on funds for air pollution in Lok Sabha, the minister said that the funds allocated to tackle air pollution in Delhi-NCR were increased from Rs 30 crores in 2019-2020 to Rs 53.49 crores in 2021-22.

Biomass burning to blame for Delhi haze, study finds

December 16, 2021 10:45 am

Post-monsoon (end of October to around mid-November) haze was largely affected by biomass burning particles likely from “agricultural residue burning emissions in the upwind states of Delhi”, the study notes.

Regardless of income, all Delhi homes breathing poor air: Study

December 09, 2021 7:33 am

🔴 In households, both in the high and low socio-economic strata, PM2.5 levels were 20 times more than the World Health Organisation (WHO) standards, noted the study by Michael Greenstone, Kenneth Lee and Harshil Sahai.

DELHI AIR QUALITY PHOTOS

Delhi pollution: AQI remains in 'severe' category

November 03, 2019 9:25 am

Delhi’s air quality index (AQI) continued to remain in the ‘severe’ category Saturday and stood at 480 at 8 am, according to data by the System of Air Quality and Weather Forecasting And Research (SAFAR).

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