SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., NOV. 05, 2025 -------------------------------------------------------------------------------- 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 41 33 0.7 31 22 32 75 2 NW Coastal LA 45 38 0.4 28 14 20 60 3 SW Coastal LA 42 37 0.6 28 13 20 58 4 S Coastal LA 41 35 0.5 26 12 28 56 5 Southeast LA Co 38 34 0.8 28 17 30 66 6 W San Fernando Vly 49 40 0.7 27 13 18 58 7 E San Fernando Vly 41 34 0.7 31 18 27 68 8 W San Gabriel Vly 43 35 0.5 33 20 26 71 9 E San Gabriel Vly 45 36 0.5 35 16 24 64 10 Pomona Walnut Vly 42 34 0.6 35 19 27 69 11 S San Gabriel Vly 38 33 0.5 31 20 29 71 12 S Central LA Co 42 38 0.8 28 16 27 64 13 Santa Clarita Vly 58 47 0.4 30 18 21 68 15 San Gabriel Mts 47 39 0.5 35 16 29 64 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 45 40 0.4 34 14 21 60 Orange County: South Coast Air Basin 16 N Orange Co 41 35 0.3 27 18 22 68 17 Central Orange Co 39 33 0.5 23 16 20 64 18 N Coastal Orange Co 41 37 0.5 19 9 26 50 19 Saddleback Vly 48 43 0.3 27 10 22 53 20 Central Coastal 44 40 0.3 17 8 22 44 21 Capistrano Vly 45 42 0.4 21 6 21 39 Riverside County: South Coast Air Basin 22 Norco/Corona 49 40 0.5 40 23 23 77 23 Metro Riverside Co 50 40 0.5 45 24 24 79 24 Perris Vly 45 40 0.5 46 17 29 66 25 Lake Elsinore 49 44 0.4 19 14 21 60 26 Temecula Vly 43 41 0.3 26 5 21 38 27 Anza Vly 50 47 0.3 30 5 22 44 28 Hemet/San Jacinto 47 44 0.5 41 12 29 56 29 Banning 50 47 0.4 36 17 27 66 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 58 50 0.3 36 12 24 56 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 41 39 0.3 25 5 19 36 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 42 34 0.7 30 14 29 60 33 SW San Bernardino Vly 44 35 0.7 40 21 33 73 34 C San Bernardino Vly 42 35 0.8 54 17 38 66 35 E San Bernardino Vly 47 40 0.5 50 15 31 62 36 W San Bernardino Mtns 43 37 0.5 34 11 34 55 37 C San Bernardino Mtns 48 42 0.5 49 8 34 45 38 Big Bear Lake 50 46 0.5 43 9 31 50 San Bernardino County: Mojave Desert Air Basin 39 Phelan 49 46 0.5 29 6 34 43 40 Hesperia 44 41 0.5 23 8 35 44 41 Trona 46 40 0.3 37 5 13 37 42 Victorville 47 43 0.5 27 8 36 44 43 Yucca Vly 55 51 0.3 27 7 27 47 44 Barstow 48 43 0.4 26 10 38 53 45 Twentynine Palms 48 45 0.3 26 6 25 42 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., NOV. 05, 2025, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Big Bear Lake AQI: 50 PM2.5 Central Mojave Desert AQI: 47 Ozone Temecula/Anza Area AQI: 44 Ozone Victor Valley AQI: 44 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 60 PM2.5 Banning Pass Area AQI: 66 PM2.5 Coachella Valley/Low Desert AQI: 56 PM2.5 Coastal Area AQI: 60 PM2.5 Hemet/Elsinore Area AQI: 66 PM2.5 Inland Orange County AQI: 64 PM2.5 Metropolitan Area AQI: 75 PM2.5 Northern Mojave Desert AQI: 53 PM2.5 Riverside Valley AQI: 79 PM2.5 San Bernardino Mountains AQI: 55 PM2.5 San Bernardino Valley AQI: 73 PM2.5 San Fernando/Santa Clarita Valleys AQI: 68 PM2.5 San Gabriel Mountains AQI: 64 PM2.5 San Gabriel Valley AQI: 71 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Wednesday will be cooler and windier in interior areas, as a weak low pressure system moving inland deals SoCal a glancing blow. Temperatures will be 4-8 degrees cooler than Tuesday and winds in the mountains and the Coachella Valley could gust to 30 mph. Coastal areas will remain mostly cloudy and may have some morning drizzle. Inversion Base: 2468 FT | Breaking Temperature: 72 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 3004 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 05, 2025 IN THE SOUTH COAST AIR BASIN.