The Arizona Department of Environmental Quality has issued an ozone health watch for Friday.

The Arizona Department of Environmental Quality has issued an ozone health watch for Wednesday.

The long-awaited Draft Environmental Impact Study on the potential effects of the proposed South Mountain Loop 202 Freeway extension — a project that would give the East Valley another artery to the Phoenix region’s west side — is now available to the public for review and comment.

The Arizona Department of Environmental Quality has extended Tuesday’s ozone health watch through Wednesday. Rising ozone levels may approach federal standards, prompting the health watch, according to a release.

An ozone health watch has been issued for Tuesday by the Arizona Department of Environmental Services. Rising ozone levels may approach federal standards, prompting the health watch, according to a release.

The Arizona Department of Environmental Quality has announced an ozone health watch for Thursday, according to a news release.

The Arizona Department of Environmental Quality has issued an ozone health watch for Wednesday. A health watch is called when ozone levels may approach federal health standards.

In the 1990s, it seemed concern for the ozone layer was everywhere, leading to plenty of studies on skin cancer and environmental worries. Now, it seems every week an ozone warning is issued by the Arizona Department of Environmental Quality.

PHOENIX (AP) — The metropolitan Phoenix is under an ozone health watch Monday as the area's pollution levels may exceed the federal health standard for air quality.

Monsoon moisture is moving back into the state, but excessive heat will still continue to bake the valley this weekend.

The Arizona Department of Environmental Quality has extended Thursday's ozone high pollution advisory (HPA) through Friday, Aug. 10.

The Arizona Department of Environmental Quality has issued an ozone high pollution advisory (HPA) for Tuesday, Aug. 7.

The Valley is back under a health watch Thursday for ozone.

After a one-day break from an ozone health watch, the Arizona Department of Environmental Quality has issued a health watch for ground-level ozone for Tuesday.

Environmental regulators have issued an ozone health watch for metropolitan Phoenix on Thursday.

Firefighters from across the East Valley were battling a massive fire about 3 p.m. Monday near Country Club Drive and Baseline Road.

The Arizona Department of Environmental Quality issued an ozone high pollution advisory (HPA) for Friday.

Ozone levels may rise to unhealthy heights Tuesday and Wednesday, prompting ozone health watch alerts for both days.

The Valley continues to be under an ozone health watch Monday, with the Arizona Department of Environmental Quality extending that warning into Tuesday.

An ozone high pollution advisory has been issued for Friday by the Arizona Department of Environmental Quality.

The ozone health watch that began Tuesday in the Valley has been extended through Thursday by the Arizona Department of Environmental Quality.

An ozone health watch issued for Tuesday has been extended through Wednesday by the Arizona Department of Environmental Quality.

An ozone health watch for the Valley has been extended into Friday by the Arizona Department of Environmental Quality.

An ozone health watch for the Valley has been extended into Thursday by the Arizona Department of Environmental Quality.