SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., OCT. 06, 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 72 65 0.5 33 10 40 84 2 NW Coastal LA 72 60 0.6 31 8 32 67 3 SW Coastal LA 64 52 0.3 31 8 27 48 4 S Coastal LA 64 54 0.4 30 15 30 62 5 Southeast LA Co 73 64 0.7 32 11 42 80 6 W San Fernando Vly 71 65 0.5 30 7 24 84 7 E San Fernando Vly 76 67 0.5 34 7 35 90 8 W San Gabriel Vly 80 70 0.4 35 6 34 100 9 E San Gabriel Vly 87 73 0.6 23 2 35 108 10 Pomona Walnut Vly 87 72 0.7 42 8 45 105 11 S San Gabriel Vly 74 65 0.5 32 9 42 84 12 S Central LA Co 72 64 0.7 31 11 33 80 13 Santa Clarita Vly 72 59 0.3 34 5 26 64 15 San Gabriel Mts 73 63 0.5 38 4 33 77 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 60 55 0.4 41 9 35 51 Orange County: South Coast Air Basin 16 N Orange Co 76 66 0.5 49 11 26 87 17 Central Orange Co 62 56 0.6 27 10 31 54 18 N Coastal Orange Co 57 52 0.4 27 9 30 50 19 Saddleback Vly 69 63 0.4 49 5 33 77 20 Central Coastal 63 54 0.4 27 7 27 50 21 Capistrano Vly 63 54 0.3 28 8 26 50 Riverside County: South Coast Air Basin 22 Norco/Corona 79 71 0.7 72 10 37 101 23 Metro Riverside Co 86 78 0.7 84 12 47 126 24 Perris Vly 66 63 0.6 43 6 40 77 25 Lake Elsinore 70 64 0.3 29 7 26 80 26 Temecula Vly 57 54 0.3 32 3 23 50 27 Anza Vly 55 54 0.3 36 4 19 50 28 Hemet/San Jacinto 60 58 0.6 36 4 36 61 29 Banning 57 56 0.5 35 3 37 54 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 60 57 0.2 42 7 15 58 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 50 48 0.2 26 4 14 44 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 86 72 0.6 35 9 35 105 33 SW San Bernardino Vly 84 71 0.7 72 11 41 101 34 C San Bernardino Vly 81 72 0.7 39 10 42 105 35 E San Bernardino Vly 76 72 0.7 39 5 43 105 36 W San Bernardino Mtns 72 64 0.6 37 5 37 80 37 C San Bernardino Mtns 64 57 0.7 39 5 37 58 38 Big Bear Lake 58 57 0.6 37 5 36 58 San Bernardino County: Mojave Desert Air Basin 39 Phelan 58 56 0.5 38 5 33 54 40 Hesperia 56 51 0.6 40 6 37 47 41 Trona 49 45 0.3 15 3 10 42 42 Victorville 58 53 0.5 39 8 34 49 43 Yucca Vly 53 49 0.4 29 4 26 45 44 Barstow 57 54 0.4 30 4 52 50 45 Twentynine Palms 50 47 0.3 28 4 23 44 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., OCT. 06, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Central Mojave Desert AQI: 45 Ozone Northern Mojave Desert AQI: 50 Ozone Temecula/Anza Area AQI: 50 Ozone MODERATE in the following area(s): Antelope Valley AQI: 51 Ozone Banning Pass Area AQI: 54 Ozone Big Bear Lake AQI: 58 Ozone Coachella Valley/Low Desert AQI: 58 Ozone Coastal Area AQI: 67 Ozone Hemet/Elsinore Area AQI: 80 Ozone Inland Orange County AQI: 77 Ozone Metropolitan Area AQI: 87 Ozone San Bernardino Mountains AQI: 80 Ozone San Fernando/Santa Clarita Valleys AQI: 90 Ozone San Gabriel Mountains AQI: 77 Ozone Victor Valley AQI: 54 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Riverside Valley AQI: 126 Ozone San Bernardino Valley AQI: 105 Ozone San Gabriel Valley AQI: 108 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ High temperatures will remain very hot, generally around 100 to 105°F in the western valleys and inland Orange County. Onshore flow is expected Tuesday, bringing cooler temperatures along the coast. Inversion Base: 486 FT | Breaking Temperature: 88 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2659 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: MARGINAL-BURN Burning is prohibited in the following source/receptor areas: 9, 10, 22, 23, 32, 33, 34, 35 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, OCTOBER 06, 2026 IN THE SOUTH COAST AIR BASIN.