The Oklahoman on MSN11d
Why is air quality bad today? What to know about Air Quality Index, conditions in OklahomaInstead, the U.S. air quality index looks at five pollutants regulated under the Clean Air Act: ground-level ozone, ...
The Air Quality Index measures five air pollutants: particulate matter, sulfur dioxide, carbon monoxide, nitrogen dioxide and ozone. The air quality metric is one of many that factor into the ...
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