Weather Alerts For West Covina, CA

# HEADLINE -------------------- AIR QUALITY ALERT FOR HARMFUL FINE PARTICLE POLLUTION LEVELS DUE TO WILDFIRE SMOKE # SUMMARY -------------------- Eastern San Fernando Valley- Including the cities of Burbank, Glendale, and Universal City Eastern San Gabriel Mountains- 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- 359 PM PDT Wed May 20 2026 # DETAILS -------------------- WHAT The South Coast AQMD has issued an air quality alert due to increased fine particle pollution from wildfire smoke. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. WHERE in portions of Los Angeles, Riverside, and San Bernardino Counties. Levels of particle pollution can vary by time and location depending on fire activity and local weather conditions. WHEN until 10 PM on Thursday. IMPACTS Particles in wildfire smoke can get deep into the lungs and cause serious health problems such as heart attacks, strokes, asthma attacks, and difficulty breathing. Everyone can be affected, but people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. ISSUED AT Wednesday, May 20, 2026 at 3:59 PM PDT ISSUED BY Relayed by National Weather Service Los Angeles/Oxnard CA HEADER Air Quality Alert Message # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- To protect your health, if you smell or see smoke: - Remain indoors with windows and doors closed - Avoid intense outdoor physical activity - Run your air conditioner and/or an air purifier - If you must be outdoors, keep the time brief and wear a well- fitting N-95 mask - 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, grilling, and gasoline-powered lawn and garden equipment