Air Quality Alert
AZZ504-250400-
Tucson Metro Area-
Including the cities of Tucson, Green Valley, Marana, and Vail
1111 AM MST Thu Jul 23 2026
...AIR QUALITY ALERT IN EFFECT FRIDAY...
The Arizona Department of Environmental Quality (ADEQ) has issued an
Ozone (OZ) High Pollution Advisory for the Tucson Metro area
Friday morning through Friday evening.
This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.
Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.
You are urged to car pool, telecommute, or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.
For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/tucson or call 602-771-2300.
$$
AZC013-250400-
Air Quality Alert
Relayed by National Weather Service Phoenix AZ
915 AM MST Thu Jul 23 2026
...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA THROUGH FRIDAY...
The Arizona Department of Environmental Quality (ADEQ) has extended
an Ozone High Pollution Advisory for the Phoenix Metro Area through
Friday.
This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.
Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.
You are urged to car pool, telecommute or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.
For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/phoenix or call 602-771-2300.
$$
