News Flash

Posted on: June 24, 2019

Ozone High Pollution Advisory issued for Tuesday, June 25.

Ozone HPA Press Release

The Arizona Department of Environmental Quality (ADEQ) is issuing an Ozone High Pollution Advisory (HPA) for Maricopa County, effective Tuesday, June 25, 2019. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health stan...

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Additional Info... Air Quality
Posted on: June 24, 2019

Ozone High Pollution Advisory issued for Monday, June 24.

Ozone HPA Press Release

The Arizona Department of Environmental Quality (ADEQ) is issuing an Ozone High Pollution Advisory (HPA) for Maricopa County, effective Monday, June 24, 2019. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health stand...

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Additional Info... Air Quality
Posted on: June 20, 2019

REVISED: EPA proposes Maricopa County air quality attained the 2008 ozone health standard

Downtown Phx News Release

PHOENIX (June 20, 2019) - The Environmental Protection Agency (EPA) is proposing the Phoenix-Mesa ozone nonattainment area met the 2008 Ozone National Ambient Air Quality Standards (NAAQS). This is the initial step under Clean Air Act requirements in rede...

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Federal Register Air Quality
Posted on: April 16, 2019

'Commit to One Day, Help Keep Ozone Away' Campaign Kicks Off

Ozone Campaign Press Release

PHOENIX (April 16, 2019) – Maricopa County Air Quality Department (MCAQD) is announcing the start of its annual Ozone Campaign, encouraging county residents to help reduce the harmful pollutant during the spring and summer months.

Ground-level ozone forms ...

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Additional Info... Air Quality
Posted on: March 19, 2019

Mowing Down Pollution

Mowing Down Pollution News Release

PHOENIX (March 19, 2019) – Want to help keep our air clean and save money? The Maricopa County Air Quality Department (MCAQD), in partnership with the Arizona Department of Environmental Quality (ADEQ), is relaunching the Mowing Down Pollution P...

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Additional Info... Air Quality