This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the AirQualityIndex in counties was not rated “good.” U.S. News calculated a ...
Patting itself on the back for a comparatively low Air Quality Index (AQI) graph on Diwali, the Bhopal Municipal Corporation (BMC) on Friday said that concerted efforts by the civic body responsible ...
It comprises two measures: the number of days with an airqualityindex below a certain threshold and the number of violation points against drinking water systems in each state. Learn more ...
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