SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: SUN., APR. 05, 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 67 59 0.8 28 11 41 64 2 NW Coastal LA 62 55 0.8 27 12 28 56 3 SW Coastal LA 56 50 0.6 30 11 33 55 4 S Coastal LA 59 53 0.6 40 9 25 50 5 Southeast LA Co 64 58 1.0 42 12 35 61 6 W San Fernando Vly 66 60 0.7 25 7 29 67 7 E San Fernando Vly 71 63 0.7 27 8 33 77 8 W San Gabriel Vly 70 64 0.5 30 9 24 80 9 E San Gabriel Vly 77 65 0.6 26 9 28 84 10 Pomona Walnut Vly 77 64 0.6 44 11 37 80 11 S San Gabriel Vly 68 61 0.7 40 12 30 71 12 S Central LA Co 62 55 1.0 34 11 29 55 13 Santa Clarita Vly 73 65 0.5 26 6 16 84 15 San Gabriel Mts 71 64 0.5 27 7 26 80 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 65 62 0.4 26 10 29 74 Orange County: South Coast Air Basin 16 N Orange Co 71 63 0.4 48 12 21 77 17 Central Orange Co 61 54 0.6 45 11 30 55 18 N Coastal Orange Co 57 53 0.6 39 5 26 49 19 Saddleback Vly 68 63 0.3 48 6 29 77 20 Central Coastal 63 59 0.4 35 6 21 64 21 Capistrano Vly 62 58 0.4 29 8 17 61 Riverside County: South Coast Air Basin 22 Norco/Corona 75 66 0.6 57 12 33 87 23 Metro Riverside Co 76 67 0.6 65 12 40 90 24 Perris Vly 63 58 0.5 37 11 32 61 25 Lake Elsinore 66 61 0.4 25 9 14 71 26 Temecula Vly 54 51 0.3 29 7 14 47 27 Anza Vly 56 54 0.3 33 6 15 50 28 Hemet/San Jacinto 58 56 0.5 27 7 29 54 29 Banning 63 60 0.5 24 6 31 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 61 58 0.3 39 14 16 61 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 53 51 0.3 28 8 16 47 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 90 78 0.6 23 10 21 126 33 SW San Bernardino Vly 77 66 0.6 57 12 35 87 34 C San Bernardino Vly 74 65 0.6 27 8 36 84 35 E San Bernardino Vly 63 60 0.5 35 8 35 67 36 W San Bernardino Mtns 79 70 0.5 24 8 29 100 37 C San Bernardino Mtns 65 60 0.5 25 5 31 67 38 Big Bear Lake 61 59 0.5 30 7 31 64 San Bernardino County: Mojave Desert Air Basin 39 Phelan 68 63 0.5 23 5 30 77 40 Hesperia 60 57 0.5 17 6 33 58 41 Trona 58 54 0.3 16 5 13 50 42 Victorville 65 61 0.5 27 7 31 71 43 Yucca Vly 60 57 0.3 31 9 26 58 44 Barstow 65 58 0.4 41 5 48 61 45 Twentynine Palms 54 53 0.3 31 8 23 49 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON SUN., APR. 05, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Temecula/Anza Area AQI: 50 Ozone MODERATE in the following area(s): Antelope Valley AQI: 74 Ozone Banning Pass Area AQI: 67 Ozone Big Bear Lake AQI: 64 Ozone Central Mojave Desert AQI: 58 Ozone Coachella Valley/Low Desert AQI: 61 Ozone Coastal Area AQI: 64 Ozone Hemet/Elsinore Area AQI: 71 Ozone Inland Orange County AQI: 77 Ozone Metropolitan Area AQI: 77 Ozone Northern Mojave Desert AQI: 61 Ozone Riverside Valley AQI: 90 Ozone San Bernardino Mountains AQI: 100 Ozone San Fernando/Santa Clarita Valleys AQI: 84 Ozone San Gabriel Mountains AQI: 80 Ozone San Gabriel Valley AQI: 84 Ozone Victor Valley AQI: 77 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): San Bernardino Valley AQI: 126 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ On Sunday, temperaure in inland areas will remain above normal, while coastal areas begin to cool. Inversion Base: 486 FT | Breaking Temperature: 70 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2645 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: NO-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 SUNDAY, APRIL 05, 2026 IN THE SOUTH COAST AIR BASIN.