Maricopa County Air Quality Department

The Arizona Department of Environmental Quality (ADEQ) is issuing a High Pollution Advisory (HPA) for ozone effective May 26, 2020, in the Phoenix area. ADEQ recommends that people limit outdoor activity while the HPA is in effect, especially children and adults with respiratory problems.

The Arizona Department of Environmental Quality (ADEQ) is issuing a High Pollution Advisory (HPA) for ozone effective May 25, 2020, in the Phoenix area. ADEQ recommends that people limit outdoor activity while the HPA is in effect, especially children and adults with respiratory problems.

The Arizona Department of Environmental Quality (ADEQ) is issuing a dust High Pollution Advisory (HPA) for Aug. 20 and 21, 2018, for coarse particulate matter (PM-10) for Maricopa County, Ariz. This HPA is due to particle pollutant levels expected to accumulate enough to exceed the federal health standard for PM-10.

During this HPA, Maricopa County Air Quality Department (MCAQD) has declared a “No Burn Day” in Maricopa County and the following mandatory restrictions are in effect:

The Arizona Department of Environmental Quality (ADEQ) is issuing a High Pollution Advisory (HPA) for ozone in Maricopa County, effective Aug. 19, 2018. This HPA is due to levels expected to exceed the federal health standard for ozone.

The Arizona Department of Environmental Quality (ADEQ) is issuing a dust High Pollution Advisory (HPA) for Aug. 7 and 8, 2018, for coarse particulate matter (PM-10) for Maricopa County, Arizona. This HPA is due to particle pollutant levels expected to accumulate enough to exceed the federal health standard for PM-10.

During this HPA, Maricopa County Air Quality Department (MCAQD) has declared a “No Burn Day” in Maricopa County and the following mandatory restrictions are in effect:

The Arizona Department of Environmental Quality (ADEQ) is issuing a High Pollution Advisory (HPA) for ozone in Maricopa County, effective August 8, 2018. This HPA is due to levels expected to exceed the federal health standard for ozone.

The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for Monday and Tuesday, August 6-7, 2018. This HPA is due to levels expected to exceed the federal health standard for ozone.

The Arizona Department of Environmental Quality (ADEQ) is issuing a High Pollution Advisory (HPA) for ozone in Maricopa County, effective August 6, 2018. This HPA is due to levels expected to exceed the federal health standard for ozone.

The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory for Monday and Tuesday, July 30-31, 2018.

Restrictions

• Employees and contractors of government entities are prohibited from operating leaf blowers. 
• Open burning activity is restricted in Maricopa County. This includes individuals and businesses which have burn permits for open burning.

Take Action

The Arizona Department of Environmental Quality (ADEQ) is issuing a High Pollution Advisory (HPA) for ozone in Maricopa County, effective July 1, 2018.

This HPA is due to levels expected to exceed the federal health standard for ozone.