AQI and Graded Response: How One Number Changes Our Response to Air Pollution

Every polluted winter, AQI, PM2.5, etc., become household terms. What do they actually mean and how can they change the way we tackle air pollution?

https://www.news18.com/news/india/aqi-and-grap-how-one-number-changes-our-response-to-air-pollution-1575941.html

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