Tuesday, Apr 20, 2021 | Last Update : 09:34 PM IST

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Delhi: Air quality becomes ‘very poor’ again

The Central Pollution Control Board's (CPCB) National Air Quality Index has Delhi in the 'very poor' zone with a score of 326.

20 Nov 2017 6:20 PM

Delhi air quality improves a little

The average concentration of ultrafine pollutants like PM (particulate matter) 10 and PM 2.5 in the air reduced substantially on Tuesday.

15 Nov 2017 1:27 AM

No respite as pollution levels skyrocket in Delhi after brief let-up

The pollution monitoring authorities said there may be some respite from Monday evening as surface winds will gain momentum.

12 Nov 2017 9:22 PM

Air in Lutyens’ Delhi harmful

Earlier, Centre had claimed improvement in city air quality this year.

02 Aug 2017 2:57 AM

Less harmful components found in Delhi air, says study

The chemical characterisation of particulates, meaning what they are made of chemically, primarily decides the toxicity of air.

24 Jul 2017 1:08 AM

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How 'toxic' is Delhi's air? Study sheds light

A study has found that the ultrafine particulates in Delhi's air, mainly PM2.5 and PM10, are made of less harmful chemical components.

23 Jul 2017 1:52 PM

Thick fog engulfs Delhi; trains cancelled, flights affected

On Sunday, the maximum and minimum temperatures were recorded at 23°C and 9.2 °C, respectively.

03 Jan 2017 6:06 AM

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