SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: FRI., NOV. 07, 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 45 36 0.9 48 20 44 71 2 NW Coastal LA 44 35 0.7 41 16 29 64 3 SW Coastal LA 50 39 0.6 44 14 26 60 4 S Coastal LA 48 37 0.5 41 12 35 56 5 Southeast LA Co 46 36 0.8 45 17 42 66 6 W San Fernando Vly 49 44 0.8 34 13 28 58 7 E San Fernando Vly 45 38 0.8 45 14 38 60 8 W San Gabriel Vly 49 41 0.7 44 14 37 60 9 E San Gabriel Vly 52 42 0.7 31 13 37 58 10 Pomona Walnut Vly 52 39 0.9 40 19 41 69 11 S San Gabriel Vly 49 38 0.7 45 18 42 68 12 S Central LA Co 47 37 0.7 44 16 31 64 13 Santa Clarita Vly 45 42 0.4 32 11 20 55 15 San Gabriel Mts 45 40 0.7 40 11 37 55 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 40 39 0.5 17 11 28 55 Orange County: South Coast Air Basin 16 N Orange Co 45 34 0.5 44 18 32 68 17 Central Orange Co 40 31 0.9 33 16 32 64 18 N Coastal Orange Co 44 36 0.6 34 6 33 33 19 Saddleback Vly 44 38 0.4 44 10 32 53 20 Central Coastal 40 36 0.5 29 9 29 50 21 Capistrano Vly 39 35 0.5 27 12 27 56 Riverside County: South Coast Air Basin 22 Norco/Corona 54 43 0.7 59 21 34 73 23 Metro Riverside Co 56 46 0.9 67 21 41 73 24 Perris Vly 52 43 0.8 49 17 41 66 25 Lake Elsinore 57 49 0.5 27 13 27 58 26 Temecula Vly 48 45 0.4 26 7 24 42 27 Anza Vly 49 45 0.3 26 6 21 42 28 Hemet/San Jacinto 51 45 0.7 41 9 39 50 29 Banning 49 45 0.6 34 8 34 44 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 50 44 0.2 36 8 16 44 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 41 39 0.2 23 6 17 36 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 42 34 0.6 28 14 44 60 33 SW San Bernardino Vly 49 37 0.8 58 21 45 73 34 C San Bernardino Vly 51 42 0.9 53 11 49 55 35 E San Bernardino Vly 54 44 0.8 52 9 42 50 36 W San Bernardino Mtns 42 37 0.7 34 7 43 41 37 C San Bernardino Mtns 47 43 0.8 49 6 43 45 38 Big Bear Lake 50 45 0.7 42 8 40 44 San Bernardino County: Mojave Desert Air Basin 39 Phelan 44 43 0.7 25 6 35 40 40 Hesperia 41 38 0.7 25 6 40 38 41 Trona 41 35 0.3 19 6 15 33 42 Victorville 44 42 0.6 25 7 33 39 43 Yucca Vly 45 43 0.4 26 6 24 40 44 Barstow 47 43 0.5 21 6 41 40 45 Twentynine Palms 43 40 0.3 25 6 22 37 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON FRI., NOV. 07, 2025, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Banning Pass Area AQI: 44 PM2.5 Big Bear Lake AQI: 44 PM2.5 Central Mojave Desert AQI: 40 Ozone Coachella Valley/Low Desert AQI: 44 PM2.5 Northern Mojave Desert AQI: 40 Ozone San Bernardino Mountains AQI: 45 PM10 Temecula/Anza Area AQI: 42 Ozone Victor Valley AQI: 40 Ozone MODERATE in the following area(s): Antelope Valley AQI: 55 PM2.5 Coastal Area AQI: 64 PM2.5 Hemet/Elsinore Area AQI: 66 PM2.5 Inland Orange County AQI: 64 PM2.5 Metropolitan Area AQI: 71 PM2.5 Riverside Valley AQI: 73 PM2.5 San Bernardino Valley AQI: 73 PM2.5 San Fernando/Santa Clarita Valleys AQI: 60 PM2.5 San Gabriel Mountains AQI: 55 PM2.5 San Gabriel Valley AQI: 69 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Friday will be warm and mostly sunny with weak onshore flow. The marine layer will stay shallow, keeping skies clear after brief morning clouds. Inversion Base: 1582 FT | Breaking Temperature: 74 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2881 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 FRIDAY, NOVEMBER 07, 2025 IN THE SOUTH COAST AIR BASIN.