SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., JAN. 05, 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 34 29 0.4 7 4 21 27 2 NW Coastal LA 34 31 0.3 7 3 18 29 3 SW Coastal LA 34 32 0.2 8 2 15 30 4 S Coastal LA 38 34 0.5 10 2 24 31 5 Southeast LA Co 38 34 0.4 10 3 24 31 6 W San Fernando Vly 37 34 0.3 6 3 13 31 7 E San Fernando Vly 35 32 0.3 7 4 18 30 8 W San Gabriel Vly 37 32 0.2 8 3 13 30 9 E San Gabriel Vly 38 34 0.3 9 3 23 31 10 Pomona Walnut Vly 35 32 0.3 11 4 23 30 11 S San Gabriel Vly 37 32 0.3 10 4 23 30 12 S Central LA Co 40 35 0.3 9 2 24 32 13 Santa Clarita Vly 39 35 0.2 6 6 11 33 15 San Gabriel Mts 38 35 0.3 9 4 18 32 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 42 37 0.2 6 5 18 34 Orange County: South Coast Air Basin 16 N Orange Co 38 34 0.2 11 4 13 31 17 Central Orange Co 35 32 0.2 11 3 15 30 18 N Coastal Orange Co 40 37 0.5 10 4 21 34 19 Saddleback Vly 41 38 0.2 11 8 17 44 20 Central Coastal 40 38 0.3 9 6 14 35 21 Capistrano Vly 39 37 0.2 8 3 11 34 Riverside County: South Coast Air Basin 22 Norco/Corona 38 34 0.3 12 8 21 44 23 Metro Riverside Co 39 34 0.4 13 9 22 50 24 Perris Vly 40 36 0.3 8 4 21 33 25 Lake Elsinore 41 37 0.2 13 7 8 39 26 Temecula Vly 37 34 0.2 11 1 11 31 27 Anza Vly 41 38 0.2 13 2 13 35 28 Hemet/San Jacinto 40 36 0.2 10 2 20 33 29 Banning 41 37 0.3 8 3 16 34 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 16 9 16 50 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 37 36 0.2 10 5 12 33 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 46 42 0.3 9 5 13 39 33 SW San Bernardino Vly 37 33 0.3 12 7 21 39 34 C San Bernardino Vly 38 34 0.2 8 5 24 31 35 E San Bernardino Vly 37 34 0.3 9 3 23 31 36 W San Bernardino Mtns 41 38 0.2 8 4 22 35 37 C San Bernardino Mtns 42 39 0.2 7 2 24 36 38 Big Bear Lake 42 40 0.2 8 7 22 39 San Bernardino County: Mojave Desert Air Basin 39 Phelan 48 46 0.2 7 3 24 43 40 Hesperia 40 38 0.2 6 3 26 35 41 Trona 44 41 0.2 6 3 13 38 42 Victorville 43 40 0.2 6 4 26 37 43 Yucca Vly 42 40 0.2 10 5 19 37 44 Barstow 46 41 0.2 6 4 29 38 45 Twentynine Palms 40 38 0.2 10 5 18 35 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., JAN. 05, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 34 Ozone Banning Pass Area AQI: 34 Ozone Big Bear Lake AQI: 39 PM2.5 Central Mojave Desert AQI: 37 Ozone Coachella Valley/Low Desert AQI: 50 PM2.5 Coastal Area AQI: 35 Ozone Hemet/Elsinore Area AQI: 39 PM2.5 Inland Orange County AQI: 44 PM2.5 Metropolitan Area AQI: 32 Ozone Northern Mojave Desert AQI: 38 Ozone Riverside Valley AQI: 50 PM2.5 San Bernardino Mountains AQI: 36 Ozone San Bernardino Valley AQI: 39 PM2.5 San Fernando/Santa Clarita Valleys AQI: 33 PM2.5 San Gabriel Mountains AQI: 32 Ozone San Gabriel Valley AQI: 31 Ozone Temecula/Anza Area AQI: 35 Ozone Victor Valley AQI: 43 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ A milder weather system will move ashore early Monday and drop temperatures by 1-3 degrees below Sunday. Onshore winds and precipitation will be lighter and short-lived compared to Sunday. Inversion Base: 11425 FT | Breaking Temperature: 84 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2525 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 Below 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 05, 2026 IN THE SOUTH COAST AIR BASIN.