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Live Science
22 天
What is the Air Quality Index?
The Air Quality Index (AQI) is used by various government agencies to report how clean or polluted the air is in your area. For example, you may have spotted this metric popping up in local ...
18 天
Is Delhi's AQI 'worse' than you think? How international agencies calculate air quality
Data from the Central Pollution Control Board (CPCB) showed that more areas in the national capital registered an AQI of 500 ...
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SK pres avoids impeachment
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