SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., OCT. 14, 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 50 44 1.0 22 8 51 48 2 NW Coastal LA 50 43 0.7 20 8 35 44 3 SW Coastal LA 47 40 0.8 21 8 42 44 4 S Coastal LA 45 41 1.0 25 9 55 52 5 Southeast LA Co 47 43 1.4 26 10 48 53 6 W San Fernando Vly 51 47 0.7 19 5 42 44 7 E San Fernando Vly 53 48 0.8 22 6 45 44 8 W San Gabriel Vly 50 46 0.5 22 5 41 43 9 E San Gabriel Vly 56 50 0.5 10 3 26 46 10 Pomona Walnut Vly 57 48 0.7 28 7 46 44 11 S San Gabriel Vly 47 42 0.8 24 8 45 44 12 S Central LA Co 49 44 1.4 23 10 41 53 13 Santa Clarita Vly 52 49 0.4 21 5 22 45 15 San Gabriel Mts 51 47 0.5 25 4 38 44 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 50 45 0.4 23 9 32 50 Orange County: South Coast Air Basin 16 N Orange Co 51 45 0.8 30 9 36 50 17 Central Orange Co 44 38 0.9 27 10 47 53 18 N Coastal Orange Co 44 39 0.9 24 9 50 50 19 Saddleback Vly 52 45 0.5 29 4 42 42 20 Central Coastal 48 41 0.6 20 9 37 50 21 Capistrano Vly 48 42 0.4 15 9 30 50 Riverside County: South Coast Air Basin 22 Norco/Corona 56 48 0.7 37 8 42 44 23 Metro Riverside Co 55 48 0.7 40 10 42 53 24 Perris Vly 52 45 0.7 30 7 36 42 25 Lake Elsinore 54 48 0.4 12 6 27 44 26 Temecula Vly 51 46 0.3 15 5 24 43 27 Anza Vly 49 46 0.3 17 2 20 43 28 Hemet/San Jacinto 54 48 0.6 24 3 35 44 29 Banning 54 50 0.5 21 2 37 46 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 49 47 0.2 36 2 17 44 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 42 40 0.2 20 2 13 37 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 58 50 0.6 32 8 33 46 33 SW San Bernardino Vly 56 46 0.7 37 9 44 50 34 C San Bernardino Vly 56 48 0.7 32 6 45 44 35 E San Bernardino Vly 55 49 0.7 32 5 38 45 36 W San Bernardino Mtns 55 49 0.6 29 5 36 45 37 C San Bernardino Mtns 52 46 0.7 31 4 33 43 38 Big Bear Lake 52 50 0.6 26 3 34 46 San Bernardino County: Mojave Desert Air Basin 39 Phelan 51 49 0.6 22 4 29 45 40 Hesperia 47 43 0.6 22 5 32 40 41 Trona 39 37 0.3 13 4 8 34 42 Victorville 46 43 0.5 24 7 28 40 43 Yucca Vly 49 47 0.3 26 2 24 44 44 Barstow 45 38 0.4 27 5 42 40 45 Twentynine Palms 45 42 0.3 25 2 21 39 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., OCT. 14, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 50 PM2.5 Banning Pass Area AQI: 46 Ozone Big Bear Lake AQI: 46 Ozone Central Mojave Desert AQI: 44 Ozone Coachella Valley/Low Desert AQI: 44 Ozone Hemet/Elsinore Area AQI: 44 Ozone Northern Mojave Desert AQI: 40 NO2 San Bernardino Mountains AQI: 45 Ozone San Bernardino Valley AQI: 50 PM2.5 San Fernando/Santa Clarita Valleys AQI: 45 Ozone San Gabriel Mountains AQI: 44 Ozone San Gabriel Valley AQI: 46 Ozone Temecula/Anza Area AQI: 43 Ozone Victor Valley AQI: 45 Ozone MODERATE in the following area(s): Coastal Area AQI: 52 NO2 Inland Orange County AQI: 53 PM2.5 Metropolitan Area AQI: 53 PM2.5 Riverside Valley AQI: 53 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Sunny skies with warmer temperatures are expected. Inversion Base: 486 FT | Breaking Temperature: 68 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 3943 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 Above 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, OCTOBER 14, 2026 IN THE SOUTH COAST AIR BASIN.