At 7 am, Delhi’s average AQI stood at 423, with the most polluted areas being Mundka (464), followed by Wazirpur and Alipur ...

AQI is calculated by a predefined formula on the concentrations of different pollutants and then condensing the result to a single number.

The AQI in Aizawl today stood at 26, under the "good" category, offering residents a healthy environment. Gangtok and ...

Winter has come to Delhi and with it, a familiar sense of gloom. The sky here is grey and there is a thick, visible blanket ...

As of Wednesday morning, six major cities recorded "poor" air quality, four fell into the "moderate" category, four were ...

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The toxic smog shrouding New Delhi this week was so bad that the capital’s chief minister declared a “medical emergency.” ...

India’s capital region, Delhi, has virtually come to a halt as air pollution levels reached a “severe plus” category, ...

India's capital was left gasping this week as air pollution smog reduced visibility to near zero and raised air quality ...

Whatever the causes of the smog, by one ranking Delhi was not just the most polluted city in the world, but “nearly five ...

Swaran Singh is among a handful of farmers in Bhikhi village in India's northern state of Punjab who, instead of burning his ...

Several people were hospitalized Tuesday after an SUV was driven into parents and children as they arrived for class at an ...