SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., NOV. 26, 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 39 29 0.9 30 14 50 60 2 NW Coastal LA 39 33 0.6 27 14 33 60 3 SW Coastal LA 41 31 0.9 28 19 38 69 4 S Coastal LA 40 28 1.2 27 20 53 71 5 Southeast LA Co 40 28 2.0 29 19 51 69 6 W San Fernando Vly 44 38 1.1 24 11 37 55 7 E San Fernando Vly 43 36 0.9 29 10 45 53 8 W San Gabriel Vly 47 38 0.9 28 9 43 50 9 E San Gabriel Vly 44 38 0.7 11 3 40 38 10 Pomona Walnut Vly 42 32 1.0 25 11 46 55 11 S San Gabriel Vly 37 27 1.0 29 14 50 60 12 S Central LA Co 42 30 2.0 29 23 49 77 13 Santa Clarita Vly 45 40 0.3 24 8 22 44 15 San Gabriel Mts 45 39 0.6 27 7 40 39 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 42 33 0.5 20 11 31 55 Orange County: South Coast Air Basin 16 N Orange Co 38 29 1.0 28 16 46 64 17 Central Orange Co 38 29 1.4 25 17 47 66 18 N Coastal Orange Co 33 24 1.1 24 22 49 75 19 Saddleback Vly 44 38 0.6 28 9 41 50 20 Central Coastal 36 29 0.8 20 20 38 71 21 Capistrano Vly 40 34 0.7 25 18 31 68 Riverside County: South Coast Air Basin 22 Norco/Corona 46 36 1.0 35 12 40 56 23 Metro Riverside Co 46 38 1.1 38 13 38 58 24 Perris Vly 46 39 0.9 33 8 35 44 25 Lake Elsinore 48 42 0.7 16 7 28 39 26 Temecula Vly 47 40 0.6 15 4 27 37 27 Anza Vly 48 45 0.4 13 4 28 42 28 Hemet/San Jacinto 47 43 0.8 29 5 32 40 29 Banning 47 45 0.7 25 6 30 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 46 41 0.3 33 13 31 58 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 37 32 0.3 17 5 21 30 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 43 36 0.6 27 10 42 53 33 SW San Bernardino Vly 43 33 1.1 35 13 45 58 34 C San Bernardino Vly 41 35 1.0 40 9 38 50 35 E San Bernardino Vly 44 39 0.9 36 7 36 39 36 W San Bernardino Mtns 44 39 0.8 27 6 37 36 37 C San Bernardino Mtns 42 38 1.0 37 6 34 35 38 Big Bear Lake 50 49 0.9 31 10 34 53 San Bernardino County: Mojave Desert Air Basin 39 Phelan 50 49 0.7 20 6 32 45 40 Hesperia 42 35 0.8 19 8 34 44 41 Trona 35 27 0.4 16 3 12 25 42 Victorville 42 35 0.7 21 11 31 55 43 Yucca Vly 44 43 0.5 24 7 31 40 44 Barstow 35 25 0.5 23 5 39 37 45 Twentynine Palms 39 36 0.4 23 7 29 39 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., NOV. 26, 2025, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Banning Pass Area AQI: 42 Ozone Central Mojave Desert AQI: 40 Ozone Hemet/Elsinore Area AQI: 44 PM2.5 Northern Mojave Desert AQI: 37 NO2 San Bernardino Mountains AQI: 36 Ozone San Gabriel Mountains AQI: 39 PM2.5 Temecula/Anza Area AQI: 42 Ozone MODERATE in the following area(s): Antelope Valley AQI: 55 PM2.5 Big Bear Lake AQI: 53 PM2.5 Coachella Valley/Low Desert AQI: 58 PM2.5 Coastal Area AQI: 75 PM2.5 Inland Orange County AQI: 68 PM2.5 Metropolitan Area AQI: 77 PM2.5 Riverside Valley AQI: 58 PM2.5 San Bernardino Valley AQI: 58 PM2.5 San Fernando/Santa Clarita Valleys AQI: 55 PM2.5 San Gabriel Valley AQI: 60 PM2.5 Victor Valley AQI: 55 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mostly clear and dry. Warmest day of the week with highs 10–14° above normal. Light to moderate offshore winds are expected. Inversion Base: 486 FT | Breaking Temperature: 75 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 1810 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 26, 2025 IN THE SOUTH COAST AIR BASIN.