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El Paso County air quality: F for ozone, A for air particulate

The American Lung Association has given El Paso County an F for its ground level ozone and an A for its air-particulate pollution levels. The grades are part of the association’s annual State of the Air report. Ground level ozone is formed when nitrogen oxides combine with volatile organic compounds in the presence of heat… Continue Reading El Paso County air quality: F for ozone, A for air particulate