Environments and Contaminants - Criteria Air Pollutants
https://www.epa.gov/americaschildrenenvironment/environments-and-contaminants-criteria-air-pollutants
WEBOct 9, 2023 · The six most common air pollutants are called “criteria” air pollutants and include carbon monoxide (CO), lead (Pb), ground-level ozone (O 3 ), particulate matter (PM), nitrogen dioxide (NO 2 ), and sulfur dioxide (SO 2 ). On this page: Indicators. About the Criteria Air Pollutants Indicators. Methods. Related Links. Indicators.
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