This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...
Get all the news you need in your inbox each morning. According to nationwide Air Quality Index data maintained by USA TODAY, areas hit hardest include central LA county around Chinatown ...
By 7 pm on Sunday, Delhi recorded an alarming Air Quality Index (AQI) of 457, placing it in the “severe plus” category. The Centre’s Air Quality Management (CAQM) panel announced a series of ...