SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., JAN. 12, 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 0.6 26 13 44 58 2 NW Coastal LA 42 35 0.4 23 8 29 44 3 SW Coastal LA 37 31 0.6 25 16 42 64 4 S Coastal LA 41 32 1.4 48 20 48 71 5 Southeast LA Co 41 30 1.9 25 16 48 64 6 W San Fernando Vly 44 41 0.6 21 3 21 38 7 E San Fernando Vly 39 33 0.6 25 13 41 58 8 W San Gabriel Vly 42 35 0.7 25 8 42 44 9 E San Gabriel Vly 45 37 0.4 12 3 23 34 10 Pomona Walnut Vly 42 32 0.8 20 7 40 39 11 S San Gabriel Vly 40 29 1.0 25 11 43 55 12 S Central LA Co 41 31 1.9 29 23 48 77 13 Santa Clarita Vly 45 42 0.2 20 4 11 39 15 San Gabriel Mts 43 39 0.4 24 5 35 36 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 42 34 0.3 15 7 26 39 Orange County: South Coast Air Basin 16 N Orange Co 46 35 0.7 22 9 37 50 17 Central Orange Co 42 33 1.0 21 8 44 44 18 N Coastal Orange Co 40 32 1.2 21 15 44 62 19 Saddleback Vly 45 39 0.4 20 8 36 44 20 Central Coastal 41 35 0.6 18 9 32 50 21 Capistrano Vly 43 37 0.4 15 8 24 44 Riverside County: South Coast Air Basin 22 Norco/Corona 45 39 0.5 20 5 30 36 23 Metro Riverside Co 45 40 0.5 21 5 32 37 24 Perris Vly 44 38 0.5 22 3 27 35 25 Lake Elsinore 43 39 0.3 14 2 20 36 26 Temecula Vly 43 38 0.3 14 2 18 35 27 Anza Vly 46 43 0.3 14 2 18 40 28 Hemet/San Jacinto 45 41 0.4 20 2 20 38 29 Banning 45 42 0.4 56 3 11 51 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 48 42 0.3 15 7 18 39 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 39 34 0.2 11 5 15 31 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 55 47 0.6 13 5 34 44 33 SW San Bernardino Vly 46 37 0.7 20 6 38 36 34 C San Bernardino Vly 45 41 0.5 26 2 25 38 35 E San Bernardino Vly 44 39 0.5 24 2 29 36 36 W San Bernardino Mtns 49 45 0.5 19 2 30 42 37 C San Bernardino Mtns 43 42 0.5 25 1 31 39 38 Big Bear Lake 46 44 0.5 22 6 26 41 San Bernardino County: Mojave Desert Air Basin 39 Phelan 46 45 0.4 20 4 33 42 40 Hesperia 38 33 0.4 22 4 34 32 41 Trona 36 30 0.2 14 2 14 28 42 Victorville 42 36 0.4 21 7 36 39 43 Yucca Vly 46 43 0.3 11 4 23 40 44 Barstow 36 29 0.3 14 3 38 36 45 Twentynine Palms 41 37 0.3 10 4 21 34 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., JAN. 12, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 39 PM2.5 Big Bear Lake AQI: 41 Ozone Central Mojave Desert AQI: 40 Ozone Coachella Valley/Low Desert AQI: 39 PM2.5 Hemet/Elsinore Area AQI: 38 Ozone Inland Orange County AQI: 44 PM2.5 Northern Mojave Desert AQI: 36 NO2 Riverside Valley AQI: 37 Ozone San Bernardino Mountains AQI: 42 Ozone San Bernardino Valley AQI: 44 Ozone San Gabriel Mountains AQI: 36 Ozone Temecula/Anza Area AQI: 40 Ozone Victor Valley AQI: 42 Ozone MODERATE in the following area(s): Banning Pass Area AQI: 51 PM10 Coastal Area AQI: 71 PM2.5 Metropolitan Area AQI: 77 PM2.5 San Fernando/Santa Clarita Valleys AQI: 58 PM2.5 San Gabriel Valley AQI: 55 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ The National Weather Service has issued Wind Advisories in effect until 2 PM Monday for inland Orange County, the Santa Ana Mountains and Foothills, the valleys of San Bernardino and Riverside Counties including the Inland Empire, the mountains of San Bernardino and Riverside Counties, and San Gorgonio Pass near Banning. Inversion Base: 486 FT | Breaking Temperature: 65 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2703 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 MONDAY, JANUARY 12, 2026 IN THE SOUTH COAST AIR BASIN.