Pollution - Page 2
Unequal Pollution: Who Is Impacted Most By The Delhi Air?
Every winter, for several years, Delhi's air quality index (AQI) goes over 500, when safe air for breathing has an AQI between 0 and 50. We hear about...
Explained: What Does An Air Quality Index Of 450 Mean?
The AQI captures attention only after it crosses 300, but is this just a winter problem in India?