SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., NOV. 04, 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 47 41 0.9 22 9 35 50 2 NW Coastal LA 51 45 0.5 21 9 26 50 3 SW Coastal LA 50 44 0.5 21 9 31 50 4 S Coastal LA 49 42 0.7 23 9 34 50 5 Southeast LA Co 50 42 1.3 23 10 36 53 6 W San Fernando Vly 51 44 0.7 19 9 30 50 7 E San Fernando Vly 50 44 0.7 21 8 32 44 8 W San Gabriel Vly 50 42 0.5 22 7 30 39 9 E San Gabriel Vly 50 43 0.6 20 7 32 40 10 Pomona Walnut Vly 48 41 0.6 34 11 38 55 11 S San Gabriel Vly 49 40 0.7 24 11 34 55 12 S Central LA Co 50 43 1.3 22 9 36 50 13 Santa Clarita Vly 49 44 0.5 18 6 21 41 15 San Gabriel Mts 48 43 0.6 30 6 30 40 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 48 42 0.5 15 5 27 39 Orange County: South Coast Air Basin 16 N Orange Co 51 42 0.4 31 10 29 53 17 Central Orange Co 47 40 0.6 24 9 38 50 18 N Coastal Orange Co 49 43 0.6 22 6 34 40 19 Saddleback Vly 50 44 0.3 31 6 34 41 20 Central Coastal 48 43 0.4 20 6 30 40 21 Capistrano Vly 46 42 0.4 19 5 27 39 Riverside County: South Coast Air Basin 22 Norco/Corona 52 45 0.6 41 11 33 55 23 Metro Riverside Co 51 45 0.6 45 13 35 58 24 Perris Vly 49 45 0.6 36 9 36 50 25 Lake Elsinore 48 44 0.4 14 6 26 41 26 Temecula Vly 45 40 0.3 24 5 24 37 27 Anza Vly 46 43 0.3 28 3 23 40 28 Hemet/San Jacinto 49 44 0.6 33 6 35 41 29 Banning 48 45 0.6 32 5 31 42 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 46 0.3 34 3 22 43 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 44 42 0.3 24 3 18 39 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 52 45 0.6 38 7 34 42 33 SW San Bernardino Vly 49 42 0.6 42 11 38 55 34 C San Bernardino Vly 47 42 0.8 36 7 42 40 35 E San Bernardino Vly 48 43 0.7 39 7 38 40 36 W San Bernardino Mtns 49 44 0.7 32 4 36 41 37 C San Bernardino Mtns 48 43 0.7 33 4 38 40 38 Big Bear Lake 47 45 0.7 32 6 36 42 San Bernardino County: Mojave Desert Air Basin 39 Phelan 49 46 0.6 18 4 27 43 40 Hesperia 45 41 0.6 13 6 33 38 41 Trona 40 34 0.4 13 4 12 31 42 Victorville 46 42 0.6 16 8 25 44 43 Yucca Vly 46 44 0.4 28 3 26 41 44 Barstow 44 38 0.5 13 5 37 35 45 Twentynine Palms 46 41 0.4 26 3 24 38 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., NOV. 04, 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: 42 Ozone Big Bear Lake AQI: 42 Ozone Central Mojave Desert AQI: 41 Ozone Coachella Valley/Low Desert AQI: 43 Ozone Coastal Area AQI: 50 PM2.5 Hemet/Elsinore Area AQI: 50 PM2.5 Inland Orange County AQI: 50 PM2.5 Northern Mojave Desert AQI: 35 Ozone San Bernardino Mountains AQI: 41 Ozone San Fernando/Santa Clarita Valleys AQI: 50 PM2.5 San Gabriel Mountains AQI: 40 Ozone Temecula/Anza Area AQI: 40 Ozone Victor Valley AQI: 44 PM2.5 MODERATE in the following area(s): Metropolitan Area AQI: 53 PM2.5 Riverside Valley AQI: 58 PM2.5 San Bernardino Valley AQI: 55 PM2.5 San Gabriel Valley AQI: 55 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mild weather should continue through tomorrow, with temperatures similar to wind and light breezes. Temperatures and winds are expected to rise later in the week but likely not until Friday. Inversion Base: 76 FT | Breaking Temperature: 62 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 4473 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 04, 2026 IN THE SOUTH COAST AIR BASIN.