Weather Alerts For Upland, CA
Air Quality Alert
-# HEADLINE -------------------- AIR QUALITY ALERT FOR HARMFUL FINE PARTICLE POLLUTION LEVELS DUE TO WILDFIRE SMOKE # 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 the San Gorgonio Pass, the Coachella Valley, Lake Elsinore and Hemet-San Jacinto Valley. Levels of particle pollution can vary by time and location depending on fire activity and local weather conditions. WHEN from 9:30 PM Monday to 5 PM Tuesday. 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 Tuesday, June 16, 2026 at 6:50 AM PDT ISSUED BY Relayed by National Weather Service San Diego, 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 # AREAS AFFECTED -------------------- Coachella Valley, Riverside County Mountains, San Bernardino and Riverside County Valleys, San Gorgonio Pass near Banning, Santa Ana Mountains and Foothills, The Inland Empire Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Idyllwild-Pine Cove, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, and Coachella