SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., JAN. 07, 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 41 35 0.5 26 10 28 53 2 NW Coastal LA 40 35 0.6 25 12 20 56 3 SW Coastal LA 40 36 0.6 25 10 15 53 4 S Coastal LA 43 38 0.8 26 9 29 50 5 Southeast LA Co 42 36 0.8 26 12 29 56 6 W San Fernando Vly 44 39 0.8 23 10 22 53 7 E San Fernando Vly 44 39 0.7 26 9 24 50 8 W San Gabriel Vly 42 37 0.4 26 8 19 44 9 E San Gabriel Vly 44 37 0.4 24 9 23 50 10 Pomona Walnut Vly 42 33 0.6 27 13 30 58 11 S San Gabriel Vly 42 35 0.5 26 13 27 58 12 S Central LA Co 42 37 0.8 26 12 28 56 13 Santa Clarita Vly 44 40 0.3 22 7 15 39 15 San Gabriel Mts 41 38 0.5 25 6 22 35 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 47 44 0.4 20 6 22 41 Orange County: South Coast Air Basin 16 N Orange Co 43 35 0.4 28 13 24 58 17 Central Orange Co 37 31 0.6 26 10 24 53 18 N Coastal Orange Co 42 38 0.7 25 7 27 39 19 Saddleback Vly 43 39 0.2 28 10 23 53 20 Central Coastal 43 39 0.4 22 10 20 53 21 Capistrano Vly 42 39 0.3 18 7 17 39 Riverside County: South Coast Air Basin 22 Norco/Corona 43 36 0.5 34 19 24 69 23 Metro Riverside Co 45 35 0.6 38 18 26 68 24 Perris Vly 45 38 0.6 23 12 24 56 25 Lake Elsinore 44 39 0.3 16 9 15 50 26 Temecula Vly 42 37 0.3 18 5 16 34 27 Anza Vly 47 43 0.3 19 5 18 40 28 Hemet/San Jacinto 44 38 0.5 19 8 24 44 29 Banning 45 40 0.5 20 10 24 53 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 0.3 24 13 21 58 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 40 36 0.3 20 5 17 33 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 41 34 0.5 18 10 26 53 33 SW San Bernardino Vly 42 33 0.6 34 17 28 66 34 C San Bernardino Vly 39 33 0.7 23 13 26 58 35 E San Bernardino Vly 43 35 0.6 21 11 25 55 36 W San Bernardino Mtns 40 36 0.6 21 8 26 44 37 C San Bernardino Mtns 45 41 0.6 21 12 27 56 38 Big Bear Lake 45 42 0.6 23 10 27 53 San Bernardino County: Mojave Desert Air Basin 39 Phelan 45 44 0.5 23 5 28 41 40 Hesperia 42 37 0.5 23 11 29 55 41 Trona 43 36 0.3 19 5 14 33 42 Victorville 44 40 0.5 24 9 30 50 43 Yucca Vly 45 42 0.4 23 8 24 44 44 Barstow 48 43 0.4 27 5 36 40 45 Twentynine Palms 42 38 0.3 23 6 23 35 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., JAN. 07, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 41 Ozone Central Mojave Desert AQI: 44 PM2.5 Northern Mojave Desert AQI: 40 Ozone San Gabriel Mountains AQI: 35 Ozone Temecula/Anza Area AQI: 40 Ozone MODERATE in the following area(s): Banning Pass Area AQI: 53 PM2.5 Big Bear Lake AQI: 53 PM2.5 Coachella Valley/Low Desert AQI: 58 PM2.5 Coastal Area AQI: 56 PM2.5 Hemet/Elsinore Area AQI: 56 PM2.5 Inland Orange County AQI: 53 PM2.5 Metropolitan Area AQI: 58 PM2.5 Riverside Valley AQI: 69 PM2.5 San Bernardino Mountains AQI: 56 PM2.5 San Bernardino Valley AQI: 66 PM2.5 San Fernando/Santa Clarita Valleys AQI: 53 PM2.5 San Gabriel Valley AQI: 58 PM2.5 Victor Valley AQI: 55 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Gusty winds are expected on Wednesday, particularly in the foothills, mountains and deserts. There is also a chance of showers on Wednesday. Inversion Base: 486 FT | Breaking Temperature: 57 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 3361 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 WEDNESDAY, JANUARY 07, 2026 IN THE SOUTH COAST AIR BASIN.