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delhi air quality index

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The government data also showed that the average levels of major pollutants, including that of PM10, PM2.5, and nitrogen dioxide, have been decreasing steadily over the years. (ANI Photo)

Lockdown improved city’s air, experts say time to think local

PUBLISHED ON MAR 09, 2021 04:21 AM IST
  • Experts, however, attributed the reduction to the “unprecedented conditions” brought about by the Covid-19 lockdown and called for reforms to curb pollution by local and regional factors.
A motorcycle cuts through the dense fog near Pusa Campus in New Delhi on Tuesday.(Sanchit Khanna/HT PHOTO)
A motorcycle cuts through the dense fog near Pusa Campus in New Delhi on Tuesday.(Sanchit Khanna/HT PHOTO)

Delhi air ‘severe’ for the sixth time in 19 days

PUBLISHED ON JAN 20, 2021 12:12 AM IST
VK Soni, head of IMD’s environment monitoring and research centre, said after the fog layer lifted, wind speed picked up and dispersion of pollutants started. The impact of this ventilation would be seen on Wednesday, when the average AQI is expected to climb down to the ”very poor” zone.
Delhi’s minimum temperature rose to 9°C on Monday, from 5.2°C a day earlier.(Arvind Yadav/ HT Photo)
Delhi’s minimum temperature rose to 9°C on Monday, from 5.2°C a day earlier.(Arvind Yadav/ HT Photo)

Minimum temperature may drop; better air in store: IMD

PUBLISHED ON JAN 19, 2021 04:42 AM IST
Due to the change in wind direction, minimum temperatures are likely to fall by 2 to 4°C during the next three days, leading to ‘cold wave’ conditions in isolated pockets over eastern Uttar Pradesh, Punjab and Haryana, Chandigarh and Delhi during January 18 to 20.
Central Pollution Control Board (CPCB) recordings show that on Sunday Delhi’s overall AQI was 347, in the ‘very poor’ zone. (Sanchit Khanna / HT Photo)
Central Pollution Control Board (CPCB) recordings show that on Sunday Delhi’s overall AQI was 347, in the ‘very poor’ zone. (Sanchit Khanna / HT Photo)

Delhi’s air improves, mercury set to rise this week

PUBLISHED ON JAN 18, 2021 02:43 AM IST
“Better wind speed has helped improve dispersion. Air quality is likely to stay in the ‘very poor’ category for the next two days. Further improvement is expected on January 20, when the AQI will come down to the lower end of ‘very poor’ to ‘poor’ category,” the Safar forecast read.
The Central Pollution Control Board (CPCB) recordings showed the overall air quality index (AQI) in the Capital at 460, deteriorating from Thursday’s 429
The Central Pollution Control Board (CPCB) recordings showed the overall air quality index (AQI) in the Capital at 460, deteriorating from Thursday’s 429

Delhi air in toxic zone, could get worse today

UPDATED ON JAN 16, 2021 07:41 AM IST
Union ministry of earth science’s air quality monitoring centre, System of Air Quality and Weather Forecasting and Research (Safar), said the city-state was looking at the “first prolonged extreme air pollution event of 2021”.
Commuter seen wearing mask as air pollution reaches hazardous level.(HT Photo)
Commuter seen wearing mask as air pollution reaches hazardous level.(HT Photo)

Delhi’s air quality improves from emergency to severe

New Delhi | By Indo Asian News Service
UPDATED ON NOV 06, 2018 11:21 AM IST
The Air Quality Index (AQI) of Delhi at 9 a.m. was recorded 403, on a scale of 0 to 500. The AQI on Monday at the same time was 415, which had gradually worsened to 435 by evening.
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