Phoenix rang in 2025 with some of the worst air quality ever recorded in the Valley. The Maricopa County Air Quality ...

Officials recommended that Maricopa County residents work from home and reduce vehicle emissions to avoid contributing to pollution and to remain safe during an ozone high-pollution advisory. The ...

The air quality index reported in Maricopa County on Jan. 2 is 120, which means the air is unhealthy for sensitive groups.

PHOENIX — A high pollution advisory is in effect for Maricopa County on Wednesday, the Arizona Department of Environmental Quality said. The agency said the advisory was issued as the ozone level is ...

While ozone pollution is typically a summer phenomenon in Maricopa County, ozone season stretched well into the fall this year. High ozone levels usually drop off in mid-September, but Maricopa County ...

Maricopa County has issued no-burn day advisories through Dec. 17 as hazy skies and dangerous air pollution settle over the region this week due to winter weather patterns and holiday festivities ...

The storm system that brought dangerous rainfall and strong winds to Southern California will bring showers to Arizona on ...

PHOENIX (AZFamily) — While Wednesday is not a ‘No Burn Day,’ Maricopa County Air Quality Department officials say there has been a record number this season. There has also been a record number of ...

Maricopa County Air Quality Department asks to Burn Cleaner, Burn Better to combat pollution ( (SL Advertiser)) Maricopa County Air Quality Department asks you to Burn Cleaner, Burn Better.

National Weather Service is reporting that the Arizona Department of Environmental Quality has issued an ozone high pollution advisory for Maricopa County for August 21. The AZ Dept. of Environmental ...