The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.
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More than 170 nations across the globe have backed a historic UN resolution to end plastic pollution, with an international legally binding agreement to be in place by 2024. The resolution at ...
Air pollution in the city has hit the severe plus category with several parts recording a 1,000 above Air Quality Index (AQI). Right now, stepping out in the Delhi air is equal to smoking 33 ...