AIR QUALITY ALERT
AIR QUALITY ALERT ISSUED JULY 22 AT 5:20PM PDT
Effective: 2026-07-22 17:20:00 Expires: 2026-07-27 20:00:00 Issued by: NWS Los Angeles/Oxnard CA
* WHAT...THE SOUTH COAST AQMD HAS ISSUED AN AIR QUALITY ALERT DUE TOHARMFUL LEVELS OF OZONE POLLUTION. VISIT HTTPS: WWW.AQMD.GOV ALERTINFO TO CHECK CURRENT AND FORECASTED AIR QUALITY LEVELS.

* WHERE...IN THE SOUTH COAST AIR BASIN AND COACHELLA VALLEY. LEVELS OF OZONE POLLUTION CAN VARY BY TIME AND LOCATION DEPENDING ON EMISSIONS AND AIR POLLUTION TRANSPORT.

* WHEN...UNTIL 8 PM MONDAY. 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.
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EASTERN SAN FERNANDO VALLEY, EASTERN SAN GABRIEL MOUNTAINS, INTERSTATE 5 CORRIDOR, LOS ANGELES COUNTY SAN GABRIEL VALLEY, SANTA CLARITA VALLEY, SANTA SUSANA MOUNTAINS, WESTERN SAN FERNANDO VALLEY, WESTERN SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR
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