SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., APR. 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 46 0.3 20 7 25 43 2 NW Coastal LA 47 44 0.4 19 6 22 41 3 SW Coastal LA 45 42 0.3 20 6 25 39 4 S Coastal LA 49 46 0.3 19 7 27 43 5 Southeast LA Co 50 46 0.6 21 8 29 44 6 W San Fernando Vly 53 49 0.4 18 5 17 45 7 E San Fernando Vly 53 49 0.4 20 7 22 45 8 W San Gabriel Vly 52 48 0.3 22 8 15 44 9 E San Gabriel Vly 58 52 0.4 25 6 20 48 10 Pomona Walnut Vly 57 51 0.4 25 7 23 47 11 S San Gabriel Vly 52 47 0.4 23 7 29 44 12 S Central LA Co 50 45 0.6 20 8 27 44 13 Santa Clarita Vly 58 54 0.3 17 7 14 50 15 San Gabriel Mts 55 51 0.3 25 7 18 47 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 53 51 0.3 14 8 21 47 Orange County: South Coast Air Basin 16 N Orange Co 53 49 0.3 24 7 20 45 17 Central Orange Co 43 40 0.4 19 7 22 39 18 N Coastal Orange Co 47 45 0.3 19 4 25 42 19 Saddleback Vly 48 46 0.2 24 3 20 43 20 Central Coastal 47 45 0.3 18 3 19 42 21 Capistrano Vly 47 44 0.3 19 3 16 41 Riverside County: South Coast Air Basin 22 Norco/Corona 53 51 0.3 30 8 19 47 23 Metro Riverside Co 55 53 0.3 33 11 17 55 24 Perris Vly 54 50 0.3 25 6 17 46 25 Lake Elsinore 48 46 0.3 18 5 14 43 26 Temecula Vly 43 41 0.2 22 5 13 38 27 Anza Vly 50 48 0.2 25 4 11 44 28 Hemet/San Jacinto 52 48 0.3 23 5 16 44 29 Banning 61 54 0.3 22 6 16 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 57 53 0.2 41 7 9 49 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 50 48 0.2 26 4 10 44 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 64 59 0.4 23 8 19 64 33 SW San Bernardino Vly 55 51 0.4 30 9 22 50 34 C San Bernardino Vly 58 54 0.4 25 6 25 50 35 E San Bernardino Vly 57 53 0.4 27 6 17 49 36 W San Bernardino Mtns 58 54 0.4 24 8 20 50 37 C San Bernardino Mtns 58 54 0.4 25 4 18 50 38 Big Bear Lake 57 54 0.3 24 6 17 50 San Bernardino County: Mojave Desert Air Basin 39 Phelan 59 54 0.3 22 6 15 50 40 Hesperia 54 48 0.3 24 6 16 44 41 Trona 49 46 0.2 17 3 9 43 42 Victorville 59 53 0.3 23 6 12 49 43 Yucca Vly 61 56 0.2 29 5 15 54 44 Barstow 52 49 0.3 20 4 28 45 45 Twentynine Palms 53 51 0.2 28 4 14 47 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., APR. 14, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 47 Ozone Banning Pass Area AQI: 50 Ozone Big Bear Lake AQI: 50 Ozone Coachella Valley/Low Desert AQI: 49 Ozone Coastal Area AQI: 43 Ozone Hemet/Elsinore Area AQI: 46 Ozone Inland Orange County AQI: 43 Ozone Metropolitan Area AQI: 45 Ozone Northern Mojave Desert AQI: 45 Ozone San Bernardino Mountains AQI: 50 Ozone San Fernando/Santa Clarita Valleys AQI: 50 Ozone San Gabriel Mountains AQI: 47 Ozone San Gabriel Valley AQI: 48 Ozone Temecula/Anza Area AQI: 44 Ozone Victor Valley AQI: 50 Ozone MODERATE in the following area(s): Central Mojave Desert AQI: 54 Ozone Riverside Valley AQI: 55 PM2.5 San Bernardino Valley AQI: 64 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Dry weather is expected on Tuesday with a warming trend as high temperatures return to near average. Inversion Base: 11468 FT | Breaking Temperature: 89 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 5531 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 TUESDAY, APRIL 14, 2026 IN THE SOUTH COAST AIR BASIN.