Ozone High Pollution Advisory issued for Friday, April 27, 2018

The Arizona Department of Environmental Quality (ADEQ) is issuing an Ozone High Pollution Advisory (HPA) for Maricopa County, effective Friday, April 27, 2018. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health stan...

Wednesday's Ozone High Pollution Advisory extended through Thursday, April 26, 2018

The Arizona Department of Environmental Quality (ADEQ) is extending Wednesday's Ozone High Pollution Advisory (HPA) for Maricopa County through Thursday, April 26, 2018. This HPA is due to ozone levels expected to accumulate enough to exceed the federal h...

Available funding through FY18 DERA State Clean Diesel Grant Program

PHOENIX (April 24, 2018) – Maricopa County Air Quality Department (MCAQD) is administering the Environmental Protection Agency’s (EPA) Diesel Emission Reduction Act (DERA) State Clean Diesel Program grant, which is designed to improve ...

Maricopa County Air Quality Department's Ozone Campaign Kicks Off

PHOENIX (April 2, 2018) – Maricopa County Air Quality Department (MCAQD) announced the start of its annual Ozone Campaign, encouraging county residents to help reduce the harmful pollutant during the spring and summer months.

The Ozone Campaign runs from A...

Weed Removal

PHOENIX (February 27, 2018) – It is that time again when weeds become a major nuisance in Maricopa County.

Maricopa County Air Quality Department (MCAQD) encourages property owners to be aware of the potential health impacts caused by dust from weed remova...