Delhi-NCR air quality worsens to 'very poor' category; here's the AQI morning after Diwali
The overall air quality index (AQI) remained in the 'very poor' category and stood at 347 in Delhi-NCR on Tuesday morning, a day after Diwali celebrations in the country, according to the data available on the official website of the Central Pollution Control Board (CPCB).
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