SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: THU., OCT. 08, 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 80 62 0.8 53 12 38 74 2 NW Coastal LA 73 54 0.4 47 14 22 60 3 SW Coastal LA 68 53 0.2 50 12 19 56 4 S Coastal LA 70 55 0.4 47 12 23 56 5 Southeast LA Co 73 58 0.6 51 12 35 61 6 W San Fernando Vly 73 63 0.6 41 9 23 77 7 E San Fernando Vly 76 63 0.7 51 10 32 77 8 W San Gabriel Vly 81 66 0.5 49 10 29 87 9 E San Gabriel Vly 86 74 0.6 33 10 36 112 10 Pomona Walnut Vly 86 74 0.6 44 13 45 112 11 S San Gabriel Vly 75 61 0.5 51 13 33 71 12 S Central LA Co 74 57 0.4 50 11 27 58 13 Santa Clarita Vly 81 71 0.3 39 8 28 101 15 San Gabriel Mts 76 67 0.5 47 7 34 90 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 68 64 0.4 27 10 32 80 Orange County: South Coast Air Basin 16 N Orange Co 73 62 0.4 46 13 21 74 17 Central Orange Co 66 55 0.4 42 12 17 56 18 N Coastal Orange Co 67 55 0.4 42 7 22 51 19 Saddleback Vly 75 66 0.3 46 5 27 87 20 Central Coastal 69 60 0.3 35 7 21 67 21 Capistrano Vly 69 61 0.4 31 7 24 71 Riverside County: South Coast Air Basin 22 Norco/Corona 81 74 0.5 55 12 33 112 23 Metro Riverside Co 93 82 0.5 60 15 38 140 24 Perris Vly 80 71 0.5 43 11 36 101 25 Lake Elsinore 73 67 0.4 28 8 24 90 26 Temecula Vly 61 59 0.3 30 6 22 64 27 Anza Vly 63 59 0.3 32 5 19 64 28 Hemet/San Jacinto 78 68 0.4 32 7 33 93 29 Banning 79 70 0.4 29 6 28 100 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 59 0.2 36 9 17 64 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 51 49 0.2 27 5 15 45 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 95 76 0.6 33 12 40 118 33 SW San Bernardino Vly 86 74 0.6 54 14 42 112 34 C San Bernardino Vly 89 77 0.5 35 11 44 122 35 E San Bernardino Vly 89 82 0.5 47 9 37 140 36 W San Bernardino Mtns 86 74 0.5 35 8 40 112 37 C San Bernardino Mtns 78 69 0.5 35 6 39 97 38 Big Bear Lake 66 63 0.4 32 5 35 77 San Bernardino County: Mojave Desert Air Basin 39 Phelan 69 66 0.4 31 5 36 87 40 Hesperia 69 66 0.4 32 7 38 87 41 Trona 51 46 0.3 19 5 10 43 42 Victorville 68 65 0.4 31 9 37 84 43 Yucca Vly 59 56 0.3 27 5 25 54 44 Barstow 65 60 0.3 32 8 45 67 45 Twentynine Palms 57 55 0.3 27 5 22 51 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON THU., OCT. 08, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Antelope Valley AQI: 80 Ozone Banning Pass Area AQI: 100 Ozone Big Bear Lake AQI: 77 Ozone Central Mojave Desert AQI: 54 Ozone Coachella Valley/Low Desert AQI: 64 Ozone Coastal Area AQI: 67 Ozone Inland Orange County AQI: 87 Ozone Metropolitan Area AQI: 74 Ozone Northern Mojave Desert AQI: 67 Ozone San Gabriel Mountains AQI: 90 Ozone Temecula/Anza Area AQI: 64 Ozone Victor Valley AQI: 87 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Hemet/Elsinore Area AQI: 101 Ozone Riverside Valley AQI: 140 Ozone San Bernardino Mountains AQI: 112 Ozone San Bernardino Valley AQI: 140 Ozone San Fernando/Santa Clarita Valleys AQI: 101 Ozone San Gabriel Valley AQI: 112 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Heatwave will continue for the coast and valleys through Thursday. Low clouds and dense fog are expected late tonight into Thursday morning in coastal areas. Inversion Base: 486 FT | Breaking Temperature: 86 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 1914 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 THURSDAY, OCTOBER 08, 2026 IN THE SOUTH COAST AIR BASIN.