SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., APR. 07, 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 62 56 0.5 33 11 26 55 2 NW Coastal LA 54 49 0.4 31 8 16 45 3 SW Coastal LA 51 46 0.3 32 7 11 43 4 S Coastal LA 57 54 0.3 31 7 22 50 5 Southeast LA Co 61 55 0.4 33 9 21 51 6 W San Fernando Vly 64 60 0.4 29 8 12 67 7 E San Fernando Vly 67 61 0.4 33 10 20 71 8 W San Gabriel Vly 70 62 0.3 33 10 13 74 9 E San Gabriel Vly 76 65 0.4 35 9 20 84 10 Pomona Walnut Vly 79 65 0.4 35 11 15 84 11 S San Gabriel Vly 64 59 0.3 33 10 18 64 12 S Central LA Co 58 53 0.2 32 9 15 50 13 Santa Clarita Vly 78 67 0.2 29 9 15 90 15 San Gabriel Mts 68 62 0.3 35 8 17 74 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 69 58 0.2 25 8 8 61 Orange County: South Coast Air Basin 16 N Orange Co 64 58 0.1 33 9 9 61 17 Central Orange Co 52 48 0.3 28 9 10 50 18 N Coastal Orange Co 51 48 0.3 28 4 18 44 19 Saddleback Vly 61 56 0.2 33 3 12 54 20 Central Coastal 54 50 0.2 26 3 12 46 21 Capistrano Vly 52 50 0.3 28 4 10 46 Riverside County: South Coast Air Basin 22 Norco/Corona 78 67 0.4 40 10 14 90 23 Metro Riverside Co 84 71 0.4 45 13 20 101 24 Perris Vly 76 68 0.3 32 9 20 93 25 Lake Elsinore 68 63 0.3 24 7 9 77 26 Temecula Vly 56 53 0.3 35 8 9 49 27 Anza Vly 62 60 0.2 40 4 9 67 28 Hemet/San Jacinto 70 62 0.3 33 7 19 74 29 Banning 75 66 0.3 31 7 14 87 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 74 70 0.2 48 5 9 100 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 63 62 0.2 33 3 9 74 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 90 75 0.4 23 14 17 115 33 SW San Bernardino Vly 80 66 0.4 40 13 22 87 34 C San Bernardino Vly 87 71 0.3 32 12 26 101 35 E San Bernardino Vly 89 73 0.3 34 11 22 108 36 W San Bernardino Mtns 85 71 0.3 30 12 23 101 37 C San Bernardino Mtns 82 72 0.3 32 6 24 105 38 Big Bear Lake 74 69 0.3 32 5 23 97 San Bernardino County: Mojave Desert Air Basin 39 Phelan 66 63 0.3 31 5 22 77 40 Hesperia 66 62 0.3 33 8 26 74 41 Trona 56 54 0.2 20 5 11 50 42 Victorville 63 60 0.3 32 8 24 67 43 Yucca Vly 72 68 0.2 33 3 18 93 44 Barstow 64 62 0.2 24 6 41 74 45 Twentynine Palms 61 60 0.2 33 4 17 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., APR. 07, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Coastal Area AQI: 50 Ozone MODERATE in the following area(s): Antelope Valley AQI: 61 Ozone Banning Pass Area AQI: 87 Ozone Big Bear Lake AQI: 97 Ozone Central Mojave Desert AQI: 93 Ozone Coachella Valley/Low Desert AQI: 100 Ozone Hemet/Elsinore Area AQI: 93 Ozone Inland Orange County AQI: 54 Ozone Metropolitan Area AQI: 61 Ozone Northern Mojave Desert AQI: 74 Ozone San Fernando/Santa Clarita Valleys AQI: 90 Ozone San Gabriel Mountains AQI: 74 Ozone San Gabriel Valley AQI: 84 Ozone Temecula/Anza Area AQI: 67 Ozone Victor Valley AQI: 77 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Riverside Valley AQI: 101 Ozone San Bernardino Mountains AQI: 105 Ozone San Bernardino Valley AQI: 115 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ persistent meteorological conditions through Wednesday, with slightly decreasing ventilation. Inversion Base: 2308 FT | Breaking Temperature: 76 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2930 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: MARGINAL-BURN Burning is prohibited in the following source/receptor areas: 23, 32, 34, 35, 36, 37 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 07, 2026 IN THE SOUTH COAST AIR BASIN.