News Flash

Posted on: May 26, 2022

Ozone High Pollution Advisory issued for Thursday, May 26

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The Arizona Department of Environmental Quality (ADEQ) is issuing an Ozone High Pollution Advisory (HPA) for Maricopa County effective Thursday, May 26. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard fo...

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Air Quality
Posted on: May 9, 2022

Maricopa County Air Quality Department launches ‘Commit to One Day, Help Keep Ozone Away’ Campaign

Commit to One Day

PHOENIX (May 09, 2022) – Every spring and summer season, the Maricopa County Air Quality Department (MCAQD) raises awareness about the harmful effects of ground-level ozone on air quality and the health of Maricopa County residents. MCAQD challe...

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Air Quality
Posted on: February 1, 2022

Diesel Emissions Reduction Act (DERA) Program Subawards Announced

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PHOENIX (February 1, 2022) – The Maricopa County Air Quality Department (MCAQD) is pleased to announce that three organizations have been selected as the 2021 program year State Clean Diesel Grant Program subaward recipients. The State Clean Die...

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Air Quality