SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: FRI., JAN. 09, 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 36 27 0.7 31 9 41 50 2 NW Coastal LA 37 33 0.4 28 4 31 31 3 SW Coastal LA 36 32 0.6 29 7 37 39 4 S Coastal LA 36 29 1.4 33 9 41 50 5 Southeast LA Co 36 28 1.6 34 10 41 53 6 W San Fernando Vly 39 37 0.5 23 1 17 34 7 E San Fernando Vly 34 28 0.7 30 6 38 36 8 W San Gabriel Vly 37 31 0.7 28 6 38 36 9 E San Gabriel Vly 37 32 0.4 10 2 22 30 10 Pomona Walnut Vly 37 31 0.7 31 6 38 36 11 S San Gabriel Vly 34 26 1.0 32 8 39 44 12 S Central LA Co 40 31 1.6 31 10 40 53 13 Santa Clarita Vly 42 39 0.2 22 4 11 36 15 San Gabriel Mts 39 36 0.4 26 4 32 33 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 42 36 0.3 15 9 24 50 Orange County: South Coast Air Basin 16 N Orange Co 37 31 0.7 36 8 30 44 17 Central Orange Co 34 29 0.7 36 9 34 50 18 N Coastal Orange Co 34 31 1.2 32 8 37 44 19 Saddleback Vly 42 38 0.3 36 7 28 39 20 Central Coastal 38 34 0.6 28 7 25 39 21 Capistrano Vly 38 35 0.3 23 5 19 32 Riverside County: South Coast Air Basin 22 Norco/Corona 39 36 0.4 40 4 23 37 23 Metro Riverside Co 40 37 0.6 45 3 21 42 24 Perris Vly 39 35 0.5 25 3 19 32 25 Lake Elsinore 39 36 0.3 21 2 15 33 26 Temecula Vly 37 35 0.3 22 3 14 32 27 Anza Vly 41 40 0.3 24 2 14 37 28 Hemet/San Jacinto 40 37 0.4 22 3 15 34 29 Banning 42 41 0.4 18 4 7 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 41 39 0.3 28 6 16 36 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 37 34 0.2 14 4 12 31 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 51 46 0.5 11 4 33 43 33 SW San Bernardino Vly 40 36 0.7 40 5 34 37 34 C San Bernardino Vly 40 37 0.4 15 1 18 34 35 E San Bernardino Vly 38 34 0.5 20 2 20 31 36 W San Bernardino Mtns 44 42 0.4 18 2 25 39 37 C San Bernardino Mtns 45 41 0.4 22 0 25 38 38 Big Bear Lake 45 43 0.4 20 8 26 44 San Bernardino County: Mojave Desert Air Basin 39 Phelan 43 42 0.3 22 4 28 39 40 Hesperia 37 36 0.4 26 3 28 33 41 Trona 41 35 0.2 13 2 8 32 42 Victorville 40 38 0.3 25 5 29 35 43 Yucca Vly 41 40 0.3 15 5 22 37 44 Barstow 43 37 0.3 25 4 43 41 45 Twentynine Palms 36 35 0.3 14 4 20 32 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON FRI., JAN. 09, 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: 44 PM2.5 Central Mojave Desert AQI: 37 Ozone Coachella Valley/Low Desert AQI: 36 Ozone Coastal Area AQI: 50 PM2.5 Hemet/Elsinore Area AQI: 34 Ozone Inland Orange County AQI: 50 PM2.5 Northern Mojave Desert AQI: 41 NO2 Riverside Valley AQI: 42 PM10 San Bernardino Mountains AQI: 39 Ozone San Bernardino Valley AQI: 43 Ozone San Fernando/Santa Clarita Valleys AQI: 36 Ozone San Gabriel Mountains AQI: 33 Ozone San Gabriel Valley AQI: 44 PM2.5 Temecula/Anza Area AQI: 37 Ozone Victor Valley AQI: 39 Ozone MODERATE in the following area(s): Metropolitan Area AQI: 53 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ The National Weather Service has issued multiple wind alerts across Southern California. High Wind Warnings are in effect for the Santa Monica Mountains until 3 PM Friday and the San Gabriel and San Bernardino County mountains until 1 PM Saturday. Wind Advisories are in effect for inland Orange County until 1 PM Friday. Wind Advisories are also in effect for the Santa Clarita valley, Malibu coast, Santa Monica Mountains, Santa Ana Mountains and foothills, and the valleys of San Bernardino and Riverside Counties including the Inland Empire until 1 PM Saturday. Inversion Base: 486 FT | Breaking Temperature: 56 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2508 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 FRIDAY, JANUARY 09, 2026 IN THE SOUTH COAST AIR BASIN.