SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: FRI., NOV. 13, 2026 -------------------------------------------------------------------------------- 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 43 40 0.4 22 7 22 39 2 NW Coastal LA 42 40 0.5 18 4 18 37 3 SW Coastal LA 38 37 0.3 19 4 18 34 4 S Coastal LA 46 45 0.4 18 4 18 42 5 Southeast LA Co 44 41 0.5 20 6 24 38 6 W San Fernando Vly 44 41 0.4 15 5 18 38 7 E San Fernando Vly 44 41 0.4 21 7 19 39 8 W San Gabriel Vly 44 41 0.4 20 6 15 38 9 E San Gabriel Vly 47 43 0.3 13 5 13 40 10 Pomona Walnut Vly 45 40 0.4 21 7 20 39 11 S San Gabriel Vly 44 41 0.3 20 6 22 38 12 S Central LA Co 44 42 0.5 20 5 24 39 13 Santa Clarita Vly 44 42 0.2 16 6 16 39 15 San Gabriel Mts 43 41 0.3 20 6 16 38 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 48 45 0.2 14 6 12 42 Orange County: South Coast Air Basin 16 N Orange Co 46 42 0.3 20 7 16 39 17 Central Orange Co 41 39 0.4 16 8 20 44 18 N Coastal Orange Co 44 43 0.4 15 4 18 40 19 Saddleback Vly 44 42 0.3 19 5 19 39 20 Central Coastal 43 41 0.3 13 4 15 38 21 Capistrano Vly 41 40 0.2 12 4 12 37 Riverside County: South Coast Air Basin 22 Norco/Corona 46 42 0.4 25 8 20 44 23 Metro Riverside Co 50 44 0.4 27 11 24 55 24 Perris Vly 45 42 0.3 16 8 21 44 25 Lake Elsinore 45 43 0.2 12 4 9 40 26 Temecula Vly 44 40 0.2 10 6 12 37 27 Anza Vly 48 46 0.2 14 7 16 43 28 Hemet/San Jacinto 46 43 0.3 14 7 18 40 29 Banning 45 43 0.3 12 6 14 40 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 56 50 0.3 25 6 21 46 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 47 44 0.2 25 7 15 41 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 44 40 0.3 24 8 16 44 33 SW San Bernardino Vly 45 40 0.4 25 9 21 50 34 C San Bernardino Vly 44 40 0.3 41 9 23 50 35 E San Bernardino Vly 48 44 0.3 13 7 23 41 36 W San Bernardino Mtns 46 42 0.3 18 7 20 39 37 C San Bernardino Mtns 48 45 0.3 5 4 22 42 38 Big Bear Lake 50 48 0.3 1 7 19 44 San Bernardino County: Mojave Desert Air Basin 39 Phelan 50 49 0.3 9 4 19 45 40 Hesperia 48 46 0.3 25 6 21 43 41 Trona 51 49 0.2 9 6 10 45 42 Victorville 47 45 0.3 12 6 20 42 43 Yucca Vly 53 50 0.3 9 7 19 46 44 Barstow 52 47 0.2 17 8 18 44 45 Twentynine Palms 51 49 0.3 9 7 18 45 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON FRI., NOV. 13, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 42 Ozone Banning Pass Area AQI: 40 Ozone Big Bear Lake AQI: 44 Ozone Central Mojave Desert AQI: 46 Ozone Coachella Valley/Low Desert AQI: 46 Ozone Coastal Area AQI: 42 Ozone Hemet/Elsinore Area AQI: 44 PM2.5 Inland Orange County AQI: 44 PM2.5 Metropolitan Area AQI: 39 PM2.5 Northern Mojave Desert AQI: 45 Ozone San Bernardino Mountains AQI: 42 Ozone San Bernardino Valley AQI: 50 PM2.5 San Fernando/Santa Clarita Valleys AQI: 39 PM2.5 San Gabriel Mountains AQI: 38 Ozone San Gabriel Valley AQI: 40 Ozone Temecula/Anza Area AQI: 43 Ozone Victor Valley AQI: 45 Ozone MODERATE in the following area(s): Riverside Valley AQI: 55 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ A cooling trend is forecast to continue Friday with scattered showers and gusty winds. Inversion Base: 12000 FT | Breaking Temperature: 85 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 7046 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 13, 2026 IN THE SOUTH COAST AIR BASIN.