SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: SAT., JAN. 10, 2026 -------------------------------------------------------------------------------- SRA AREA 1-HR 8-HR 8-HR 24-HR 24-HR 1-HR MAX NUMBER OZONE OZONE CO PM10 PM2.5 NO2 AQI PPB PPB PPM UG/M3 UG/M3 PPB -------------------------------------------------------------------------------- Los Angeles County: South Coast Air Basin 1 Central LA Co 39 30 0.7 25 7 42 40 2 NW Coastal LA 38 35 0.5 23 4 31 32 3 SW Coastal LA 39 33 0.8 24 8 42 44 4 S Coastal LA 39 31 1.6 24 9 52 50 5 Southeast LA Co 39 30 1.6 24 10 47 53 6 W San Fernando Vly 41 39 0.5 20 1 13 36 7 E San Fernando Vly 35 31 0.6 24 5 38 36 8 W San Gabriel Vly 40 33 0.5 23 5 38 36 9 E San Gabriel Vly 42 36 0.3 12 2 23 33 10 Pomona Walnut Vly 41 33 0.7 22 6 39 37 11 S San Gabriel Vly 37 28 0.9 24 8 38 44 12 S Central LA Co 40 30 1.6 24 10 42 53 13 Santa Clarita Vly 43 40 0.1 19 4 8 37 15 San Gabriel Mts 40 37 0.4 22 4 32 34 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 43 36 0.3 14 9 25 50 Orange County: South Coast Air Basin 16 N Orange Co 44 35 0.6 24 8 30 44 17 Central Orange Co 36 30 0.6 24 8 29 44 18 N Coastal Orange Co 41 35 1.4 23 7 44 42 19 Saddleback Vly 42 38 0.3 22 6 27 35 20 Central Coastal 41 37 0.6 19 7 26 39 21 Capistrano Vly 41 37 0.3 16 5 18 34 Riverside County: South Coast Air Basin 22 Norco/Corona 40 37 0.4 24 5 19 34 23 Metro Riverside Co 42 39 0.6 26 4 15 36 24 Perris Vly 42 37 0.5 17 3 19 34 25 Lake Elsinore 42 38 0.3 13 2 13 35 26 Temecula Vly 40 38 0.3 16 3 14 35 27 Anza Vly 42 41 0.2 18 2 16 38 28 Hemet/San Jacinto 42 39 0.4 15 3 17 36 29 Banning 44 41 0.4 14 3 6 38 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- SRA AREA 1-HR 8-HR 8-HR 24-HR 24-HR 1-HR MAX NUMBER OZONE OZONE CO PM10 PM2.5 NO2 AQI PPB PPB PPM UG/M3 UG/M3 PPB -------------------------------------------------------------------------------- Riverside County: Salton Sea Air Basin 30 Coachella Vly 45 40 0.2 36 4 19 37 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 37 33 0.2 21 4 13 31 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 62 56 0.5 14 4 33 54 33 SW San Bernardino Vly 44 38 0.6 24 5 33 35 34 C San Bernardino Vly 43 39 0.4 16 2 25 36 35 E San Bernardino Vly 42 37 0.5 17 3 22 34 36 W San Bernardino Mtns 49 47 0.4 16 3 27 44 37 C San Bernardino Mtns 45 42 0.4 17 3 29 39 38 Big Bear Lake 44 43 0.4 19 6 27 40 San Bernardino County: Mojave Desert Air Basin 39 Phelan 44 43 0.3 16 5 30 40 40 Hesperia 38 35 0.4 18 5 31 32 41 Trona 37 30 0.2 14 2 10 28 42 Victorville 42 37 0.3 17 7 31 39 43 Yucca Vly 43 41 0.3 24 4 24 38 44 Barstow 40 35 0.3 17 5 43 41 45 Twentynine Palms 39 36 0.2 24 4 22 33 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON SAT., JAN. 10, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 50 PM2.5 Banning Pass Area AQI: 38 Ozone Big Bear Lake AQI: 40 Ozone Central Mojave Desert AQI: 38 Ozone Coachella Valley/Low Desert AQI: 37 Ozone Coastal Area AQI: 50 PM2.5 Hemet/Elsinore Area AQI: 36 Ozone Inland Orange County AQI: 44 PM2.5 Northern Mojave Desert AQI: 41 NO2 Riverside Valley AQI: 36 Ozone San Bernardino Mountains AQI: 44 Ozone San Fernando/Santa Clarita Valleys AQI: 37 Ozone San Gabriel Mountains AQI: 34 Ozone San Gabriel Valley AQI: 44 PM2.5 Temecula/Anza Area AQI: 38 Ozone Victor Valley AQI: 40 Ozone MODERATE in the following area(s): Metropolitan Area AQI: 53 PM2.5 San Bernardino Valley AQI: 54 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ The National Weather Service has issued multiple wind alerts across Southern California. High Wind Warnings are in effect for the San Gabriel Mountains and the San Bernardino County mountains until 1 PM Sunday. Wind Advisories are in effect for inland Orange County until 1 PM Saturday. Wind Advisories are also in effect for Santa Clarita Valley, Santa Monica Mountains, Malibu coast, the Interstate 5 corridor including Gorman and Pyramid Lake, Santa Ana Mountains and Foothills, the valleys of San Bernardino and Riverside Counties including the Inland Empire, the mountains of Riverside County, and San Gorgonio Pass near Banning until 1 PM Sunday. Inversion Base: 486 FT | Breaking Temperature: 59 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2764 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: BURN Area 53 - Mojave Desert Air Basin: BURN Area 55 - Salton Sea Air Basin: BURN Beach Fire Ring Wood Burning: Allowed in All Areas Residential Wood Burning: Allowed in All Areas Coachella Valley Rule 403.1 Wind Forecast: Winds Above 25 MPH ------------------------------------------------------------------------ ATTENTION ALL SCHOOLS AND INDUSTRIES THIS IS THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT NO AIR POLLUTION OR HEALTH ADVISIORY EPISODES ARE PREDICTED FOR SATURDAY, JANUARY 10, 2026 IN THE SOUTH COAST AIR BASIN.