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What is the current attainment status in Maricopa County?

April 26, 2017Attainment maricopa county Status

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What is the current attainment status in Maricopa County?

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Portions of Maricopa County have been designated nonattainment for three pollutants: particulate matter (PM-10), carbon monoxide (CO) and ozone (O3). For more information on the nonattainment status for these pollutants, please click here.