According to the Central Pollution Control Board (CPCB), there have been 52 days from January to April when the air quality index (AQI) remained below 200, barring 2020 which saw strict lockdown.
According to the Central Pollution Control Board (CPCB), there have been 52 days from January to April when the air quality index (AQI) remained below 200, barring 2020 which saw strict lockdown.
Delhi`s Air Quality In January-April This Year `Best` Since 2016: Report
April 30, 2023
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