SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., NOV. 10, 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 49 40 0.8 45 12 47 56 2 NW Coastal LA 56 41 0.9 40 14 39 60 3 SW Coastal LA 49 38 0.8 42 17 48 66 4 S Coastal LA 42 35 1.4 40 15 50 62 5 Southeast LA Co 48 37 1.8 43 15 50 62 6 W San Fernando Vly 53 44 1.1 36 10 38 53 7 E San Fernando Vly 52 42 1.0 44 9 45 50 8 W San Gabriel Vly 71 59 0.6 42 8 45 64 9 E San Gabriel Vly 76 59 0.5 20 3 45 64 10 Pomona Walnut Vly 56 43 0.8 38 10 50 53 11 S San Gabriel Vly 49 38 1.0 43 12 47 56 12 S Central LA Co 45 38 1.8 42 18 47 68 13 Santa Clarita Vly 50 43 0.3 36 9 27 50 15 San Gabriel Mts 57 48 0.6 41 6 43 44 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 42 35 0.5 30 10 34 53 Orange County: South Coast Air Basin 16 N Orange Co 53 40 0.7 44 12 41 56 17 Central Orange Co 50 37 1.3 36 13 55 58 18 N Coastal Orange Co 40 32 1.3 35 14 50 60 19 Saddleback Vly 58 44 0.4 44 5 49 46 20 Central Coastal 48 36 0.7 30 14 41 60 21 Capistrano Vly 54 41 0.4 27 14 34 60 Riverside County: South Coast Air Basin 22 Norco/Corona 71 55 0.9 57 12 49 56 23 Metro Riverside Co 79 60 1.0 65 16 49 67 24 Perris Vly 49 43 0.7 42 6 41 40 25 Lake Elsinore 64 60 0.4 25 4 31 67 26 Temecula Vly 46 43 0.4 33 2 29 40 27 Anza Vly 44 42 0.3 37 2 27 39 28 Hemet/San Jacinto 50 46 0.7 35 3 35 43 29 Banning 51 46 0.6 31 5 33 43 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 48 44 0.2 46 8 27 44 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 39 37 0.2 30 3 21 34 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 63 52 0.7 26 10 38 53 33 SW San Bernardino Vly 65 50 0.9 56 14 51 60 34 C San Bernardino Vly 69 56 0.9 42 9 46 54 35 E San Bernardino Vly 67 57 0.8 46 6 43 58 36 W San Bernardino Mtns 60 51 0.7 33 7 40 47 37 C San Bernardino Mtns 48 42 0.8 41 6 38 39 38 Big Bear Lake 51 47 0.8 37 6 35 44 San Bernardino County: Mojave Desert Air Basin 39 Phelan 48 44 0.6 34 6 37 41 40 Hesperia 39 33 0.7 37 7 38 39 41 Trona 35 28 0.3 20 2 14 26 42 Victorville 40 34 0.6 36 8 38 44 43 Yucca Vly 48 46 0.4 28 4 31 43 44 Barstow 43 33 0.5 27 4 44 42 45 Twentynine Palms 43 40 0.3 29 3 28 37 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., NOV. 10, 2025, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Banning Pass Area AQI: 43 Ozone Big Bear Lake AQI: 44 Ozone Central Mojave Desert AQI: 43 Ozone Coachella Valley/Low Desert AQI: 44 PM2.5 Northern Mojave Desert AQI: 42 NO2 San Bernardino Mountains AQI: 47 Ozone San Gabriel Mountains AQI: 44 Ozone Temecula/Anza Area AQI: 40 Ozone Victor Valley AQI: 44 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 53 PM2.5 Coastal Area AQI: 66 PM2.5 Hemet/Elsinore Area AQI: 67 Ozone Inland Orange County AQI: 60 PM2.5 Metropolitan Area AQI: 68 PM2.5 Riverside Valley AQI: 67 Ozone San Bernardino Valley AQI: 60 PM2.5 San Fernando/Santa Clarita Valleys AQI: 53 PM2.5 San Gabriel Valley AQI: 64 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ As high pressure will be directly over SoCal, temperatures and offshore winds will peak on Monday. Temperatures will be 2-9 degrees warmer than Sunday, putting the area about 15 degrees above normal. Coasts will see patchy morning fog before becoming sunny like everywhere else. Afternoon winds from the east or northeast could gust to 25 mph. Inversion Base: 486 FT | Breaking Temperature: 82 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 1615 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 MONDAY, NOVEMBER 10, 2025 IN THE SOUTH COAST AIR BASIN.