Air Quality

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 removal.

A permit from MCAQD is required when removing weeds by mechanized equipment (discing, blading or scraping) if this activity disturbs more than 1/10 of an acre. If the weeds are removed with a mower, weed eater or hand tool, a permit is not required.

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) has extended Thursday's PM-10 Health Watch for Maricopa County through Friday, February 2, 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 extending Thursday's dust High Pollution Advisory (HPA) through Friday, December 1, 2017, for coarse particulate matter (PM-10) in Maricopa County. This HPA is due to particle pollutant levels expected to accumulate enough to exceed the federal health standard for PM-10.

The Alpine Ranger District on the Apache Sitgreaves National Forests will be conducting approximately one mile of roadside pile burning along forest roads 403, 403F and Highway 191, starting October 31 and continuing through November 9, weather permitting. The burn consists of old decadent slash piles left over from the Wallow salvage sale, which will be burned to allow for the regeneration of new seedlings and/or native grasses.

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:

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