SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: THU., JAN. 15, 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 44 33 0.9 45 15 44 62 2 NW Coastal LA 45 36 0.7 32 12 35 56 3 SW Coastal LA 40 32 0.9 33 16 39 64 4 S Coastal LA 44 33 1.6 59 15 57 62 5 Southeast LA Co 44 33 2.2 33 16 52 64 6 W San Fernando Vly 47 41 1.1 29 8 36 44 7 E San Fernando Vly 49 40 1.0 35 10 41 53 8 W San Gabriel Vly 49 39 0.7 34 10 40 53 9 E San Gabriel Vly 50 41 0.6 12 5 44 42 10 Pomona Walnut Vly 49 36 0.8 24 11 46 55 11 S San Gabriel Vly 44 32 1.0 33 14 47 60 12 S Central LA Co 42 32 2.2 64 18 47 68 13 Santa Clarita Vly 48 43 0.2 29 5 21 40 15 San Gabriel Mts 48 42 0.6 33 6 39 39 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 43 35 0.5 26 8 31 44 Orange County: South Coast Air Basin 16 N Orange Co 49 36 0.9 28 15 45 62 17 Central Orange Co 43 32 1.2 23 16 46 64 18 N Coastal Orange Co 38 27 1.4 25 10 51 53 19 Saddleback Vly 49 42 0.5 28 9 41 50 20 Central Coastal 42 33 0.8 20 8 38 44 21 Capistrano Vly 43 36 0.5 18 8 31 44 Riverside County: South Coast Air Basin 22 Norco/Corona 48 39 0.9 35 15 41 62 23 Metro Riverside Co 47 39 0.9 41 16 40 64 24 Perris Vly 45 40 0.7 30 6 34 37 25 Lake Elsinore 46 43 0.4 17 4 27 40 26 Temecula Vly 43 41 0.4 18 3 26 38 27 Anza Vly 44 41 0.3 20 3 26 38 28 Hemet/San Jacinto 44 41 0.7 27 3 31 38 29 Banning 45 42 0.6 25 2 30 39 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 43 0.3 23 9 27 50 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 42 37 0.3 15 5 19 34 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 46 38 0.8 24 10 44 53 33 SW San Bernardino Vly 46 36 0.9 35 15 45 62 34 C San Bernardino Vly 45 39 0.8 35 9 37 50 35 E San Bernardino Vly 46 40 0.8 33 6 37 37 36 W San Bernardino Mtns 45 40 0.7 24 7 37 39 37 C San Bernardino Mtns 44 41 0.8 34 7 34 39 38 Big Bear Lake 45 42 0.7 30 11 32 55 San Bernardino County: Mojave Desert Air Basin 39 Phelan 47 46 0.6 28 7 34 43 40 Hesperia 41 36 0.7 32 8 34 44 41 Trona 32 24 0.3 18 2 13 22 42 Victorville 41 36 0.6 31 10 34 53 43 Yucca Vly 46 43 0.4 17 5 29 40 44 Barstow 40 28 0.5 26 5 40 38 45 Twentynine Palms 43 40 0.4 16 5 26 37 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON THU., JAN. 15, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 44 PM2.5 Banning Pass Area AQI: 39 Ozone Central Mojave Desert AQI: 40 Ozone Coachella Valley/Low Desert AQI: 50 PM2.5 Hemet/Elsinore Area AQI: 40 Ozone Northern Mojave Desert AQI: 38 NO2 San Bernardino Mountains AQI: 39 PM2.5 San Gabriel Mountains AQI: 39 Ozone Temecula/Anza Area AQI: 38 Ozone MODERATE in the following area(s): Big Bear Lake AQI: 55 PM2.5 Coastal Area AQI: 64 PM2.5 Inland Orange County AQI: 64 PM2.5 Metropolitan Area AQI: 68 PM2.5 Riverside Valley AQI: 64 PM2.5 San Bernardino Valley AQI: 62 PM2.5 San Fernando/Santa Clarita Valleys AQI: 53 PM2.5 San Gabriel Valley AQI: 60 PM2.5 Victor Valley AQI: 53 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Gusty Santa Ana winds are expected. Slight cooling compared to Wednesday, though temperatures remain well above normal. Mostly sunny and dry, with patchy coastal low clouds and fog possible late at night. Inversion Base: 486 FT | Breaking Temperature: 75 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2016 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 THURSDAY, JANUARY 15, 2026 IN THE SOUTH COAST AIR BASIN.