SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., NOV. 11, 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 52 47 0.9 35 13 43 58 2 NW Coastal LA 56 46 1.2 29 17 35 66 3 SW Coastal LA 56 44 1.2 32 19 38 69 4 S Coastal LA 63 53 1.1 35 18 34 68 5 Southeast LA Co 51 46 1.6 36 15 42 62 6 W San Fernando Vly 56 50 0.7 24 10 36 53 7 E San Fernando Vly 58 50 0.9 33 10 41 53 8 W San Gabriel Vly 55 48 0.6 33 8 41 44 9 E San Gabriel Vly 56 49 0.4 28 8 38 45 10 Pomona Walnut Vly 50 40 0.7 39 13 50 58 11 S San Gabriel Vly 49 43 0.9 35 13 40 58 12 S Central LA Co 60 50 1.6 34 19 42 69 13 Santa Clarita Vly 52 46 0.3 25 6 30 43 15 San Gabriel Mts 54 48 0.5 31 5 39 44 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 46 40 0.4 19 5 21 37 Orange County: South Coast Air Basin 16 N Orange Co 48 41 0.7 46 16 29 64 17 Central Orange Co 52 45 0.7 36 16 37 64 18 N Coastal Orange Co 53 48 1.0 33 25 34 81 19 Saddleback Vly 63 54 0.6 46 12 38 56 20 Central Coastal 63 54 0.7 34 21 31 73 21 Capistrano Vly 67 54 0.5 38 20 30 71 Riverside County: South Coast Air Basin 22 Norco/Corona 55 49 0.7 59 20 41 71 23 Metro Riverside Co 53 46 0.8 63 21 45 73 24 Perris Vly 56 49 0.7 45 10 43 53 25 Lake Elsinore 60 52 0.4 39 9 30 50 26 Temecula Vly 49 46 0.4 32 4 27 43 27 Anza Vly 48 46 0.4 16 3 24 43 28 Hemet/San Jacinto 51 47 0.6 27 3 41 44 29 Banning 49 47 0.5 15 3 38 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 50 44 0.3 20 5 23 41 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 43 41 0.3 20 3 16 38 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 52 45 0.5 23 9 40 50 33 SW San Bernardino Vly 51 42 0.7 56 18 47 68 34 C San Bernardino Vly 50 43 0.6 20 9 53 50 35 E San Bernardino Vly 52 47 0.7 37 6 44 44 36 W San Bernardino Mtns 50 46 0.6 22 4 42 43 37 C San Bernardino Mtns 47 41 0.6 6 6 41 39 38 Big Bear Lake 50 47 0.6 3 6 40 44 San Bernardino County: Mojave Desert Air Basin 39 Phelan 52 49 0.5 14 3 30 45 40 Hesperia 44 41 0.5 20 5 36 38 41 Trona 46 40 0.3 20 3 9 37 42 Victorville 43 39 0.5 6 7 25 39 43 Yucca Vly 46 44 0.4 20 3 22 41 44 Barstow 47 36 0.4 20 3 22 33 45 Twentynine Palms 45 42 0.4 20 3 20 39 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., NOV. 11, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 37 Ozone Banning Pass Area AQI: 44 Ozone Big Bear Lake AQI: 44 Ozone Central Mojave Desert AQI: 41 Ozone Coachella Valley/Low Desert AQI: 41 Ozone Northern Mojave Desert AQI: 37 Ozone San Bernardino Mountains AQI: 43 Ozone San Gabriel Mountains AQI: 44 Ozone Temecula/Anza Area AQI: 43 Ozone Victor Valley AQI: 45 Ozone MODERATE in the following area(s): Coastal Area AQI: 81 PM2.5 Hemet/Elsinore Area AQI: 53 PM2.5 Inland Orange County AQI: 71 PM2.5 Metropolitan Area AQI: 69 PM2.5 Riverside Valley AQI: 73 PM2.5 San Bernardino Valley AQI: 68 PM2.5 San Fernando/Santa Clarita Valleys AQI: 53 PM2.5 San Gabriel Valley AQI: 58 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Weak offshore flow through Wednesday. Inversion Base: 100 FT | Breaking Temperature: 72 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 7143 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, NOVEMBER 11, 2026 IN THE SOUTH COAST AIR BASIN.