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Home / News / India News / Photos / In Photos: Delhi’s air turns toxic as AQI hits 421, enters ‘severe’ category

In Photos: Delhi’s air turns toxic as AQI hits 421, enters ‘severe’ category

Updated On: 02 November, 2025 03:05 PM IST | ronak mastakar

Delhi`s air quality remained `very poor` on Sunday as slow wind speed reduced dispersion of pollutants over the city, according to the Central Pollution Control Board (CPCB). (Pics/PTI)

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Delhi`s air quality remained `very poor` on Sunday as slow wind speed reduced dispersion of pollutants over the city, according to the Central Pollution Control Board (CPCB). (Pics/PTI)

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Delhi`s air quality remained `very poor` on Sunday as slow wind speed reduced dispersion of pollutants over the city, according to the Central Pollution Control Board (CPCB). (Pics/PTI)
<p>The national capital`s Air Quality Index (AQI) stood at 386 in the morning, a considerable rise from 303 on Saturday, CPCB data showed.</p>

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The national capital`s Air Quality Index (AQI) stood at 386 in the morning, a considerable rise from 303 on Saturday, CPCB data showed.

<p>The Air Quality Early Warning System (AQEWS) for Delhi said wind speed dropped below 8 kmph from the northwest direction during the evening and night, reducing the dispersion of pollutants.</p>

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The Air Quality Early Warning System (AQEWS) for Delhi said wind speed dropped below 8 kmph from the northwest direction during the evening and night, reducing the dispersion of pollutants.

<p>A ventilation index lower than 6,000 m&sup2;/s and average wind speed less than 10 kmph are considered unfavourable for the dispersal of pollutants, it stated.</p>

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A ventilation index lower than 6,000 m²/s and average wind speed less than 10 kmph are considered unfavourable for the dispersal of pollutants, it stated.

<p>According to the AQEWS, the air quality is likely to remain in the `very poor` category till November 4.</p>

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According to the AQEWS, the air quality is likely to remain in the `very poor` category till November 4.

<p>Seventeen monitoring stations recorded `severe` air quality with readings above 400. Wazirpur recorded the highest AQI at 439. Twenty other stations reported `very poor` air quality with readings above 300, the CPCB`s Sameer app showed.</p>

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Seventeen monitoring stations recorded `severe` air quality with readings above 400. Wazirpur recorded the highest AQI at 439. Twenty other stations reported `very poor` air quality with readings above 300, the CPCB`s Sameer app showed.

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