SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: THU., NOV. 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 64 53 0.7 32 17 35 66 2 NW Coastal LA 54 47 0.9 29 21 34 73 3 SW Coastal LA 48 42 0.8 31 18 27 68 4 S Coastal LA 60 54 0.9 34 20 22 71 5 Southeast LA Co 59 51 1.1 35 22 34 75 6 W San Fernando Vly 59 53 0.7 26 13 29 58 7 E San Fernando Vly 63 54 0.8 31 14 33 60 8 W San Gabriel Vly 63 53 0.4 30 12 32 56 9 E San Gabriel Vly 63 51 0.4 23 10 28 53 10 Pomona Walnut Vly 60 48 0.8 41 17 41 66 11 S San Gabriel Vly 61 51 0.7 34 21 34 73 12 S Central LA Co 54 48 1.1 32 22 30 75 13 Santa Clarita Vly 62 55 0.4 26 9 28 51 15 San Gabriel Mts 61 53 0.5 30 9 31 50 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 53 49 0.5 22 11 23 55 Orange County: South Coast Air Basin 16 N Orange Co 58 50 0.6 45 21 26 73 17 Central Orange Co 58 53 0.6 36 16 32 64 18 N Coastal Orange Co 58 53 0.8 32 7 26 49 19 Saddleback Vly 56 53 0.6 45 9 32 50 20 Central Coastal 58 54 0.6 27 8 25 50 21 Capistrano Vly 59 55 0.5 21 7 25 51 Riverside County: South Coast Air Basin 22 Norco/Corona 59 52 0.8 61 21 35 73 23 Metro Riverside Co 62 51 0.8 69 19 35 69 24 Perris Vly 57 50 0.7 44 10 33 53 25 Lake Elsinore 62 55 0.5 16 9 25 51 26 Temecula Vly 60 50 0.4 21 6 23 46 27 Anza Vly 52 48 0.3 25 5 22 44 28 Hemet/San Jacinto 59 51 0.6 31 7 32 47 29 Banning 49 48 0.6 28 5 33 44 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 54 50 0.3 28 10 22 53 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 47 44 0.3 21 5 18 41 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 67 55 0.5 35 9 30 51 33 SW San Bernardino Vly 61 50 0.8 61 18 40 68 34 C San Bernardino Vly 55 45 0.7 32 12 47 56 35 E San Bernardino Vly 53 49 0.8 52 7 34 48 36 W San Bernardino Mtns 60 52 0.6 31 5 36 48 37 C San Bernardino Mtns 51 47 0.7 30 6 34 44 38 Big Bear Lake 52 49 0.6 29 10 32 53 San Bernardino County: Mojave Desert Air Basin 39 Phelan 58 56 0.6 20 5 29 54 40 Hesperia 48 46 0.6 13 6 32 43 41 Trona 53 45 0.3 15 5 13 42 42 Victorville 51 48 0.6 16 7 27 44 43 Yucca Vly 51 49 0.4 24 5 23 45 44 Barstow 50 40 0.5 13 5 27 37 45 Twentynine Palms 48 45 0.3 22 5 21 42 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON THU., NOV. 12, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Banning Pass Area AQI: 44 Ozone Central Mojave Desert AQI: 45 Ozone Northern Mojave Desert AQI: 42 Ozone San Bernardino Mountains AQI: 48 Ozone San Gabriel Mountains AQI: 50 PM2.5 Temecula/Anza Area AQI: 46 Ozone MODERATE in the following area(s): Antelope Valley AQI: 55 PM2.5 Big Bear Lake AQI: 53 PM2.5 Coachella Valley/Low Desert AQI: 53 PM2.5 Coastal Area AQI: 73 PM2.5 Hemet/Elsinore Area AQI: 53 PM2.5 Inland Orange County AQI: 64 PM2.5 Metropolitan Area AQI: 75 PM2.5 Riverside Valley AQI: 73 PM2.5 San Bernardino Valley AQI: 68 PM2.5 San Fernando/Santa Clarita Valleys AQI: 60 PM2.5 San Gabriel Valley AQI: 73 PM2.5 Victor Valley AQI: 54 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Temperatures are expected to cool on Thursday. Patchy low clouds are expected in coastal areas on Thursday morning. Widespread rain is possible for the valleys of Los Angeles, Riverside, San Bernardino, and Orange Counties Thursday night. Inversion Base: 707 FT | Breaking Temperature: 72 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 3281 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, NOVEMBER 12, 2026 IN THE SOUTH COAST AIR BASIN.