Air Quality Alert
CAZ088-372-373-378>380-548-100300-
Santa Clarita Valley-Western San Fernando Valley-
Eastern San Fernando Valley-Interstate 5 Corridor-
Western San Gabriel Mountains and Highway 14 Corridor-
Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley-
Including the cities of Lake Castaic, Newhall, Santa Clarita,
Valencia, Northridge, Woodland Hills, Van Nuys, Chatsworth, Burbank,
Universal City, Glendale, Sunland, La Canada Flintridge, Tejon Pass,
Gorman, Pyramid Lake, Acton, Warm Springs, Mill Creek, Mount Wilson,
Mount Baldy, Wrightwood, The Angeles Crest Highway,
East Los Angeles, El Monte, Pasadena, Pomona, and San Gabriel
822 AM PDT Fri Aug 8 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 the . Levels of ozone pollution can vary by time and
location depending on emissions and air pollution transport.
* WHEN...until 8 PM Saturday. 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
In South Coast Basin, 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.
In Mojave Desert, 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.
In antelope Valley, to view current and forecasted air quality
levels, visit the antelope Valley Air Quality Management District
website at www.avaqmd.ca.gov.
$$
CAZ358-100300-
Central Ventura County Valleys-
Including the cities of Fillmore, Piru, and Santa Paula
822 AM PDT Fri Aug 8 2025
...AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT SATURDAY...
AIR QUALITY ALERT FOR VENTURA COUNTY UNTIL 12:00 pm Saturday August
9, 2025 The Ventura County Air Pollution Control District has issued
an air quality alert due to increased particulate matter from
wildfire smoke in Fillmore/Piru. The air quality alert is in effect
until 12:00 pm Saturday August 9, 2025.
Localized air quality could fluctuate depending on wind conditions.
Particulate matter can vary hour by hour and change frequently; at
times producing unhealthy air quality in Ventura County. Air quality
conditions anticipated to improve through the afternoon with the
onset of onshore wind flow.
Forecast AQI colors are meant to be as representative as possible
for the 24-hour day. Air quality may fluctuate and is likely to be
better or worse than is indicated for the full day.
Exposure to particle pollution can cause serious health problems,
aggravate lung disease, cause asthma attacks and acute bronchitis,
and increase risk of respiratory infections. Residents are advised to
use caution as conditions warrant. People with heart or lung
diseases should follow their doctors advice for dealing with
episodes of unhealthy air quality. Additionally, people with
respiratory or heart disease, older adults, and children should avoid
prolonged exposure, strenuous activities or heavy exertion as
conditions dictate.
For additional information, call the Ventura County Air Pollution
Control District at 805.303.3889 (Monday-Friday), visit vcapcd.org,
or follow VCAPCD on Twitter (@vcapcd).
$$
CAZ048-055-056-061-065-100300-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Bernardino County Mountains-Riverside County Mountains-
Coachella Valley-San Gorgonio Pass near Banning-
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,
and Coachella
310 PM PDT Thu Aug 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. Levels of ozone pollution can
vary by time and location depending on emissions and air pollution
transport.
* WHERE...The Inland Empire, San Gorgonio Pass near Banning,
Coachella Valley, and the Riverside and San Bernardino County
mountains.
* WHEN...until 8 PM Saturday. 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 ther 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
In South Coast Basin, 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.
In Mojave Desert, 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.
In antelope Valley, to view current and forecasted air quality
levels, visit the antelope Valley Air Quality Management District
website at www.avaqmd.ca.gov.
$$
CAZ373-380-378-548-088-375-372-379-090200-
Eastern San Fernando Valley-
Including the cities of Burbank, Glendale, and Universal City
Eastern San Gabriel Mountains-
Interstate 5 Corridor-
Los Angeles County San Gabriel Valley-
Including the cities of Pasadena, San Gabriel, and Pomona
Santa Clarita Valley-
Including the cities of Santa Clarita, Newhall, and Valencia
Santa Susana Mountains-
Western San Fernando Valley-
Including the cities of Reseda, Woodland Hills, and Northridge
Western San Gabriel Mountains and Highway 14 Corridor-
249 PM PDT Thu Aug 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 the . Levels of ozone pollution can vary by time and
location depending on emissions and air pollution transport.
* WHEN...until 8 PM Saturday. 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
In South Coast Basin, 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.
In Mojave Desert, 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.
In antelope Valley, to view current and forecasted air quality
levels, visit the antelope Valley Air Quality Management District
website at www.avaqmd.ca.gov.
$$
