SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., DEC. 02, 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 35 0.6 39 22 46 75 2 NW Coastal LA 44 37 0.9 34 16 40 64 3 SW Coastal LA 48 40 0.7 36 17 38 66 4 S Coastal LA 47 42 1.4 34 15 47 62 5 Southeast LA Co 40 37 1.8 37 23 46 77 6 W San Fernando Vly 41 37 1.1 31 13 39 58 7 E San Fernando Vly 39 34 1.0 38 18 43 68 8 W San Gabriel Vly 41 32 0.7 37 25 43 81 9 E San Gabriel Vly 44 35 0.5 26 17 41 66 10 Pomona Walnut Vly 46 36 0.8 35 18 42 68 11 S San Gabriel Vly 38 33 1.0 37 25 44 81 12 S Central LA Co 45 39 1.8 36 21 45 73 13 Santa Clarita Vly 45 38 0.4 31 10 32 53 15 San Gabriel Mts 42 36 0.7 36 17 40 66 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 46 38 0.6 28 15 29 62 Orange County: South Coast Air Basin 16 N Orange Co 44 36 0.9 40 18 38 68 17 Central Orange Co 46 40 0.8 30 17 39 66 18 N Coastal Orange Co 50 46 1.2 29 7 43 43 19 Saddleback Vly 54 47 0.4 40 11 37 55 20 Central Coastal 54 48 0.7 26 10 34 53 21 Capistrano Vly 55 50 0.5 25 10 29 53 Riverside County: South Coast Air Basin 22 Norco/Corona 53 44 0.9 53 20 38 71 23 Metro Riverside Co 47 37 0.9 61 30 40 90 24 Perris Vly 48 40 0.8 39 13 43 58 25 Lake Elsinore 53 44 0.5 25 10 27 53 26 Temecula Vly 50 44 0.5 24 5 26 41 27 Anza Vly 51 46 0.4 25 5 25 43 28 Hemet/San Jacinto 47 42 0.7 30 8 41 44 29 Banning 46 42 0.7 26 9 34 50 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 47 42 0.3 36 6 26 39 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 40 35 0.3 22 5 21 32 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 42 34 0.6 24 14 43 60 33 SW San Bernardino Vly 47 36 0.9 52 20 43 71 34 C San Bernardino Vly 39 33 0.9 36 14 48 60 35 E San Bernardino Vly 42 35 0.8 42 12 45 56 36 W San Bernardino Mtns 41 36 0.8 29 13 42 58 37 C San Bernardino Mtns 45 39 0.9 35 9 46 50 38 Big Bear Lake 50 45 0.8 31 13 43 58 San Bernardino County: Mojave Desert Air Basin 39 Phelan 49 45 0.7 29 11 36 55 40 Hesperia 42 36 0.8 30 10 41 53 41 Trona 31 26 0.4 24 5 15 28 42 Victorville 44 37 0.7 29 12 35 56 43 Yucca Vly 51 45 0.5 25 5 29 42 44 Barstow 42 29 0.6 18 7 40 39 45 Twentynine Palms 44 39 0.4 24 5 27 36 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., DEC. 02, 2025, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Banning Pass Area AQI: 50 PM2.5 Central Mojave Desert AQI: 42 Ozone Coachella Valley/Low Desert AQI: 39 Ozone Northern Mojave Desert AQI: 39 PM2.5 Temecula/Anza Area AQI: 43 Ozone MODERATE in the following area(s): Antelope Valley AQI: 62 PM2.5 Big Bear Lake AQI: 58 PM2.5 Coastal Area AQI: 66 PM2.5 Hemet/Elsinore Area AQI: 58 PM2.5 Inland Orange County AQI: 66 PM2.5 Metropolitan Area AQI: 77 PM2.5 Riverside Valley AQI: 90 PM2.5 San Bernardino Mountains AQI: 58 PM2.5 San Bernardino Valley AQI: 71 PM2.5 San Fernando/Santa Clarita Valleys AQI: 68 PM2.5 San Gabriel Mountains AQI: 66 PM2.5 San Gabriel Valley AQI: 81 PM2.5 Victor Valley AQI: 56 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Weak onshore winds on Tuesday, with increasing coastal fog and low clouds. Slightly cooler temperatures on Tuesday. Inversion Base: 486 FT | Breaking Temperature: 43 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2014 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: NO-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: Prohibited in South Coast Air Basin Below 3000 ft 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 TUESDAY, DECEMBER 02, 2025 IN THE SOUTH COAST AIR BASIN.