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Is the Air Quality Index enough? What the AQI can — and can't — tell you about how healthy the atmosphere is.
Here is the Air Quality Index chart from the Centers for Disease Control and Prevention: Lung-Wen Antony Chen, an associate professor in the Department of Environmental and Occupational Health at ...
UN Environment Programme17d
Pakistan’s Punjab charts roadmap for reducing smog and vehicle emissions
On the grounds of a UNEP study, authorities in Pakistan’s Punjab Province revised the Punjab Environmental Act 1997 to reduce smog and vehicle emissions.