135
AEUS76 KSGX 072258
AQASGX

Air Quality Alert Message
Relayed by National Weather Service San Diego, CA
358 PM PDT Mon Jul 7 2025

CAZ048-055>057-061-065-554-110300-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Bernardino County Mountains-Riverside County Mountains-
Santa Ana Mountains and Foothills-Coachella Valley-
San Gorgonio Pass near Banning-Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Crestline,
Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs,
Wrightwood, Idyllwild-Pine Cove, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta,
Coachella, Santa Ana, Anaheim, Garden Grove, Irvine, Orange,
Fullerton, and Mission Viejo
358 PM PDT Mon Jul 7 2025

...AIR QUALITY ALERT FOR HARMFUL LEVELS OF OZONE (SMOG) AIR
POLLUTION...

* WHAT...The South Coast AQMD has issued an air quality alert due to
harmful levels of ozone pollution.

* WHERE...In inland Orange County, the Santa Ana Mountains, the
  Inland Empire, the San Bernardino Mountains, the Riverside County
  mountains and the Coachella Valley. Levels of ozone pollution can
  vary by time and location depending on emissions and air pollution
  transport.

* WHEN...Monday 2:30 PM until Thursday 8:00 PM. The highest ozone
  levels typically occur in the afternoon and early-evening hours.

* IMPACTS...Ozone air pollution can cause serious health problems,
  including trouble breathing, asthma attacks, and lung damage.
  Everyone can be affected, but sensitive groups such as people with
  lung disease, older adults, people who are pregnant, children, and
  those who spend a lot of time outdoors are at greater risk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To protect your health, check air quality levels and act as needed:

* When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups"
      (orange), sensitive groups as specified above should limit
      extended or intense outdoor activity.
* When AQI is "Unhealthy" (red), everyone may experience health
  impacts. Sensitive groups should avoid extended time outdoors.
* When AQI is "Very Unhealthy" (purple), sensitive groups should avoid
      all outdoor physical activity. Everyone else should avoid
      extended or intense outdoor activity.
* When AQI is "Hazardous" (maroon), everyone should avoid all
      outdoor physical activity.

* ADDITIONAL DETAILS...

To help keep indoor air clean when air quality is poor:

* Keep windows and doors closed
* Run your air conditioner and/or an air purifier
* Do not use whole house fans or swamp coolers that bring in
outside
  air if you have other methods to stay cool
* Avoid other sources of pollution such as fireplaces, candles,
  incense, and grilling

To help minimize outdoor ozone air pollution levels:

* Limit the use of gasoline powered lawn and garden equipment until
  evening hours
* Try to delay trips to the gas station and the use of household
  chemicals until the evening

To view current and forecasted air quality levels, visit the South
Coast Air Quality Management District website at aqmd.gov or
download the mobile app at www.aqmd.gov/mobileapp. Additional
details for this air quality alert may be available at
www.aqmd.gov/advisory.

To view current and forecasted air quality levels, visit the Mojave
Desert Air Quality Management District website at mdaqmd.ca.gov.
Additional details for this air quality alert may be available at
www.mdaqmd.ca.gov/advisories.

To view current and forecasted air quality levels, visit the
antelope Valley Air Quality Management District website at
www.avaqmd.ca.gov.

To view current and forecasted air quality levels, visit the San
Diego County Air Pollution Control District website at
www.sdapcd.org/content/sdapcd/air-quality.html. Additional details
for this air quality alert may be available at
www.sdapcd.org/content/sdapcd/air-quality/smoke-advisory.html.

For the latest air quality forecasts and information, visit the
website at aqmd.gov.

$$