SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: THU., JUN. 11, 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 55 48 0.7 32 13 21 58 2 NW Coastal LA 39 37 0.3 30 10 11 53 3 SW Coastal LA 35 33 0.1 31 10 7 53 4 S Coastal LA 39 36 0.2 31 9 20 50 5 Southeast LA Co 46 42 0.5 32 11 19 55 6 W San Fernando Vly 61 58 0.3 30 11 11 61 7 E San Fernando Vly 59 53 0.5 32 12 17 56 8 W San Gabriel Vly 66 59 0.3 32 13 11 64 9 E San Gabriel Vly 81 70 0.3 32 13 23 100 10 Pomona Walnut Vly 78 67 0.4 37 13 15 90 11 S San Gabriel Vly 55 49 0.3 32 13 19 58 12 S Central LA Co 39 36 0.2 31 11 12 55 13 Santa Clarita Vly 81 75 0.3 31 11 18 115 15 San Gabriel Mts 75 68 0.3 35 13 26 93 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 80 73 0.3 33 13 30 108 Orange County: South Coast Air Basin 16 N Orange Co 54 47 0.1 37 11 7 55 17 Central Orange Co 47 41 0.3 31 10 6 53 18 N Coastal Orange Co 39 36 0.2 30 7 16 39 19 Saddleback Vly 53 47 0.1 36 7 11 44 20 Central Coastal 45 40 0.2 28 7 12 39 21 Capistrano Vly 47 42 0.3 29 7 11 39 Riverside County: South Coast Air Basin 22 Norco/Corona 72 64 0.3 44 13 12 80 23 Metro Riverside Co 80 70 0.4 47 14 12 100 24 Perris Vly 84 72 0.3 37 12 20 105 25 Lake Elsinore 70 61 0.3 24 10 12 71 26 Temecula Vly 50 45 0.3 33 8 11 44 27 Anza Vly 58 55 0.2 36 7 11 51 28 Hemet/San Jacinto 73 64 0.3 35 9 22 80 29 Banning 89 78 0.3 33 9 20 126 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 72 68 0.2 42 13 11 93 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 49 46 0.2 31 7 10 43 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 81 71 0.4 38 13 24 101 33 SW San Bernardino Vly 73 64 0.4 44 13 23 80 34 C San Bernardino Vly 89 79 0.4 40 13 25 129 35 E San Bernardino Vly 94 83 0.4 39 13 25 143 36 W San Bernardino Mtns 81 73 0.3 36 11 33 108 37 C San Bernardino Mtns 98 87 0.3 38 7 37 154 38 Big Bear Lake 77 73 0.3 36 8 28 108 San Bernardino County: Mojave Desert Air Basin 39 Phelan 78 71 0.3 31 7 44 101 40 Hesperia 71 68 0.3 28 9 46 93 41 Trona 65 61 0.2 26 7 15 71 42 Victorville 77 73 0.3 30 11 49 108 43 Yucca Vly 67 65 0.2 29 10 20 84 44 Barstow 73 68 0.2 27 11 43 93 45 Twentynine Palms 62 60 0.2 30 10 18 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON THU., JUN. 11, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Central Mojave Desert AQI: 84 Ozone Coachella Valley/Low Desert AQI: 93 Ozone Coastal Area AQI: 53 PM2.5 Inland Orange County AQI: 53 PM2.5 Metropolitan Area AQI: 58 PM2.5 Northern Mojave Desert AQI: 93 Ozone Riverside Valley AQI: 100 Ozone San Gabriel Mountains AQI: 93 Ozone San Gabriel Valley AQI: 100 Ozone Temecula/Anza Area AQI: 51 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Antelope Valley AQI: 108 Ozone Banning Pass Area AQI: 126 Ozone Big Bear Lake AQI: 108 Ozone Hemet/Elsinore Area AQI: 105 Ozone San Bernardino Valley AQI: 143 Ozone San Fernando/Santa Clarita Valleys AQI: 115 Ozone Victor Valley AQI: 108 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 154 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ With a ridge sitting over SoCal, temperatures will be up to 3 degrees warmer than Wednesday. Morning clouds will be present west of the coastal mountains. Inversion Base: 1436 FT | Breaking Temperature: 80 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2371 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, JUNE 11, 2026 IN THE SOUTH COAST AIR BASIN.