health watch

The Arizona Department of Environmental Quality (ADEQ) is issuing the following air quality alerts for Maricopa County:

•           Health Watch for December 22, 2018

•           High Pollution Advisory (HPA) for December 23, 2018

These alerts are for fine particulate matter (PM-2.5). PM-2.5 is made up of small particles (soot) found in smoke. 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 in Maricopa County, effective April 27, 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 a PM-10 Health Watch for Maricopa County, effective Friday, February 9, 2018. This health watch is due to pollution levels expected to approach the federal health standard.

This health watch includes the following restrictions:
Open burning and wood burning fireplace activity is restricted in Maricopa County. This includes individuals and businesses which have burn permits for open burning.

Please take action during the health watch by following the tips below:

The Arizona Department of Environmental Quality (ADEQ) is issuing a PM-10 Health Watch for Maricopa County, effective Thursday, September 21, 2017. This health watch is due to pollution levels expected to approach the federal health standard.

This health watch includes the following restrictions:
Open burning and wood burning fireplace activity is restricted in Maricopa County. This includes individuals and businesses which have burn permits for open burning.

Please take action during the health watch by following the tips below:

The Arizona Department of Environmental Quality (ADEQ) is issuing an Ozone High Pollution Advisory (HPA) for Maricopa County, effective Monday and Tuesday, June 19-20, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

The Arizona Department of Environmental Quality (ADEQ) is issuing an Ozone High Pollution Advisory (HPA) for Maricopa County, effective Friday, June 16, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

The Arizona Department of Environmental Quality (ADEQ) is issuing an Ozone High Pollution Advisory (HPA) for Maricopa County, effective Friday, June 2, 2017. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone.

The Arizona Department of Environmental Quality (ADEQ) has issued a same day Health Watch for today, June 1, and a High Pollution Advisory (HPA) for Thursday, June 2, for ozone in Maricopa County.

An Ozone Health Watch means that ozone levels are expected to near the federal health standard. Tomorrow, ozone levels around the Valley are expected to increase with highest ozone levels concentrating in north and northeast portions of the Valley.

The Arizona Department of Environmental Quality (ADEQ) has issued an ozone Health Watch for tomorrow, May 13, for areas in and bordering Maricopa County.

Stable weather conditions will remain over the region Friday; therefore, there will not be a High Pollution Advisory. However, ozone is expected to approach the federal health standard. By Saturday, a trough to the west will begin to move into the area causing ventilation to improve.

The Arizona Department of Environmental Quality (ADEQ) has issued a Particulate Matter (PM)-10 Health Watch for tomorrow, May 5, for Maricopa County.

By Thursday, winds are expected to be strong enough to result in Valley-wide blowing dust. Similar to our last significantly windy day (Monday, April 25), a general haze is likely to be seen in the air.