SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., NOV. 09, 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 56 50 0.8 32 11 43 55 2 NW Coastal LA 54 49 0.9 29 13 37 58 3 SW Coastal LA 50 41 1.1 30 15 35 62 4 S Coastal LA 58 51 1.0 30 15 36 62 5 Southeast LA Co 58 49 1.5 31 15 43 62 6 W San Fernando Vly 63 54 0.8 26 8 36 50 7 E San Fernando Vly 65 54 0.8 31 8 39 50 8 W San Gabriel Vly 61 54 0.5 30 8 35 50 9 E San Gabriel Vly 62 54 0.4 23 8 23 50 10 Pomona Walnut Vly 60 47 0.7 33 12 34 56 11 S San Gabriel Vly 57 48 0.8 31 13 40 58 12 S Central LA Co 59 51 1.5 31 16 43 64 13 Santa Clarita Vly 57 51 0.3 26 6 24 47 15 San Gabriel Mts 60 53 0.5 29 6 33 49 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 48 43 0.4 22 6 25 40 Orange County: South Coast Air Basin 16 N Orange Co 58 49 0.7 37 13 32 58 17 Central Orange Co 58 50 0.7 30 13 40 58 18 N Coastal Orange Co 54 48 0.9 28 17 36 66 19 Saddleback Vly 64 54 0.6 37 12 37 56 20 Central Coastal 60 52 0.6 27 15 30 62 21 Capistrano Vly 62 54 0.5 25 12 26 56 Riverside County: South Coast Air Basin 22 Norco/Corona 66 54 0.7 47 15 38 62 23 Metro Riverside Co 62 52 0.7 53 17 39 66 24 Perris Vly 55 50 0.6 35 8 36 46 25 Lake Elsinore 59 54 0.4 26 5 25 50 26 Temecula Vly 47 44 0.4 28 5 23 41 27 Anza Vly 45 43 0.3 32 4 23 40 28 Hemet/San Jacinto 50 46 0.6 34 4 34 43 29 Banning 50 46 0.5 33 4 35 43 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 51 47 0.3 34 5 25 44 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 44 42 0.3 24 4 14 39 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 69 50 0.5 23 8 34 46 33 SW San Bernardino Vly 62 48 0.7 47 14 39 60 34 C San Bernardino Vly 54 47 0.7 36 9 42 50 35 E San Bernardino Vly 54 49 0.7 36 6 37 45 36 W San Bernardino Mtns 61 52 0.6 24 5 34 48 37 C San Bernardino Mtns 51 45 0.6 33 6 33 42 38 Big Bear Lake 54 51 0.6 33 7 33 47 San Bernardino County: Mojave Desert Air Basin 39 Phelan 57 54 0.5 19 4 25 50 40 Hesperia 51 46 0.6 13 6 30 43 41 Trona 48 41 0.3 13 4 5 38 42 Victorville 46 42 0.5 16 7 22 39 43 Yucca Vly 50 48 0.4 28 4 23 44 44 Barstow 48 40 0.4 13 4 23 37 45 Twentynine Palms 47 44 0.3 26 4 20 41 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., NOV. 09, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 40 Ozone Banning Pass Area AQI: 43 Ozone Big Bear Lake AQI: 47 Ozone Central Mojave Desert AQI: 44 Ozone Coachella Valley/Low Desert AQI: 44 Ozone Hemet/Elsinore Area AQI: 50 Ozone Northern Mojave Desert AQI: 38 Ozone San Bernardino Mountains AQI: 48 Ozone San Fernando/Santa Clarita Valleys AQI: 50 Ozone San Gabriel Mountains AQI: 49 Ozone Temecula/Anza Area AQI: 41 Ozone Victor Valley AQI: 50 Ozone MODERATE in the following area(s): Coastal Area AQI: 66 PM2.5 Inland Orange County AQI: 58 PM2.5 Metropolitan Area AQI: 64 PM2.5 Riverside Valley AQI: 66 PM2.5 San Bernardino Valley AQI: 60 PM2.5 San Gabriel Valley AQI: 58 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Temperatures are forecast to remain high with low humidity. Winds will weaken throughout the week. Inversion Base: 71 FT | Breaking Temperature: 76 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 5393 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, NOVEMBER 09, 2026 IN THE SOUTH COAST AIR BASIN.