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What are the current National Ambient Air Quality Standards (NAAQS)?

April 26, 2017air quality Ambient naaqs National Standards

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What are the current National Ambient Air Quality Standards (NAAQS)?

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Under the current federal law, NAAQSs have been established for six pollutants: particulate matter (PM10), sulfur dioxide, nitrogen dioxide, carbon monoxide, ozone and lead (40 CFR 50). These standards are presented in Table 1. Table 1.