SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: SUN., NOV. 01, 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 46 44 0.7 19 4 23 41 2 NW Coastal LA 44 42 0.4 17 4 16 39 3 SW Coastal LA 43 41 0.6 18 5 18 38 4 S Coastal LA 47 46 0.4 18 5 20 43 5 Southeast LA Co 45 43 0.7 19 5 20 40 6 W San Fernando Vly 44 43 0.7 15 3 14 40 7 E San Fernando Vly 45 43 0.6 18 4 19 40 8 W San Gabriel Vly 48 44 0.3 19 4 13 41 9 E San Gabriel Vly 46 42 0.3 18 3 16 39 10 Pomona Walnut Vly 43 40 0.4 28 4 21 37 11 S San Gabriel Vly 46 42 0.4 19 4 17 39 12 S Central LA Co 44 43 0.7 18 6 20 40 13 Santa Clarita Vly 40 38 0.3 14 5 18 35 15 San Gabriel Mts 44 41 0.5 27 4 17 38 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 44 42 0.3 10 5 10 39 Orange County: South Coast Air Basin 16 N Orange Co 44 41 0.4 19 4 14 38 17 Central Orange Co 44 43 0.5 18 3 15 40 18 N Coastal Orange Co 44 43 0.4 17 4 18 40 19 Saddleback Vly 43 41 0.2 17 5 14 38 20 Central Coastal 43 41 0.3 13 4 14 38 21 Capistrano Vly 42 41 0.2 10 3 12 38 Riverside County: South Coast Air Basin 22 Norco/Corona 46 41 0.4 19 6 15 38 23 Metro Riverside Co 48 42 0.6 16 8 23 44 24 Perris Vly 42 39 0.4 15 5 18 36 25 Lake Elsinore 45 41 0.3 10 4 10 38 26 Temecula Vly 43 39 0.2 8 3 11 36 27 Anza Vly 44 41 0.2 10 3 12 38 28 Hemet/San Jacinto 45 41 0.3 14 4 14 38 29 Banning 49 42 0.3 13 4 11 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 46 42 0.3 36 5 13 39 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 41 39 0.2 16 4 11 36 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 45 41 0.6 34 6 13 38 33 SW San Bernardino Vly 44 40 0.4 27 6 18 37 34 C San Bernardino Vly 46 41 0.3 16 7 16 39 35 E San Bernardino Vly 46 42 0.4 15 6 20 39 36 W San Bernardino Mtns 47 42 0.3 27 5 16 39 37 C San Bernardino Mtns 51 47 0.3 17 6 18 44 38 Big Bear Lake 47 44 0.2 17 7 19 41 San Bernardino County: Mojave Desert Air Basin 39 Phelan 47 44 0.3 15 4 19 41 40 Hesperia 43 40 0.3 10 5 20 37 41 Trona 43 41 0.2 10 4 11 38 42 Victorville 43 39 0.3 12 4 21 36 43 Yucca Vly 46 42 0.2 23 5 17 39 44 Barstow 47 44 0.2 13 4 28 41 45 Twentynine Palms 44 41 0.2 22 4 16 38 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON SUN., NOV. 01, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 39 Ozone Banning Pass Area AQI: 39 Ozone Big Bear Lake AQI: 41 Ozone Central Mojave Desert AQI: 39 Ozone Coachella Valley/Low Desert AQI: 39 Ozone Coastal Area AQI: 43 Ozone Hemet/Elsinore Area AQI: 38 Ozone Inland Orange County AQI: 40 Ozone Metropolitan Area AQI: 41 Ozone Northern Mojave Desert AQI: 41 Ozone Riverside Valley AQI: 44 PM2.5 San Bernardino Mountains AQI: 44 Ozone San Bernardino Valley AQI: 39 PM2.5 San Fernando/Santa Clarita Valleys AQI: 40 Ozone San Gabriel Mountains AQI: 38 Ozone San Gabriel Valley AQI: 41 Ozone Temecula/Anza Area AQI: 38 Ozone Victor Valley AQI: 41 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ After a wet start to Sunday, expect some clearing late in the day. Temperatures will drop 1-4 degrees below Saturday. Moderate to strong onshore (mostly from the southwest) winds could gust to 25 mph in the Inland Empire and deserts. Inversion Base: 11392 FT | Breaking Temperature: 94 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2617 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 Above 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 SUNDAY, NOVEMBER 01, 2026 IN THE SOUTH COAST AIR BASIN.