SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., JUN. 10, 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 60 53 0.6 34 14 26 60 2 NW Coastal LA 50 45 0.3 32 12 16 56 3 SW Coastal LA 42 38 0.2 32 10 11 53 4 S Coastal LA 48 44 0.2 31 9 24 50 5 Southeast LA Co 58 51 0.5 32 12 22 56 6 W San Fernando Vly 75 68 0.4 30 11 15 93 7 E San Fernando Vly 70 63 0.5 33 13 20 77 8 W San Gabriel Vly 72 62 0.3 33 14 14 74 9 E San Gabriel Vly 96 79 0.4 34 12 22 129 10 Pomona Walnut Vly 91 78 0.4 39 13 23 126 11 S San Gabriel Vly 70 59 0.4 33 13 21 64 12 S Central LA Co 48 44 0.2 32 12 16 56 13 Santa Clarita Vly 91 81 0.3 30 10 21 136 15 San Gabriel Mts 87 75 0.4 36 11 25 115 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 92 78 0.3 27 11 27 126 Orange County: South Coast Air Basin 16 N Orange Co 68 56 0.1 37 12 11 56 17 Central Orange Co 55 47 0.2 25 11 9 55 18 N Coastal Orange Co 42 37 0.2 28 7 20 39 19 Saddleback Vly 49 42 0.2 37 7 15 39 20 Central Coastal 44 38 0.2 25 7 15 39 21 Capistrano Vly 46 41 0.3 28 7 14 39 Riverside County: South Coast Air Basin 22 Norco/Corona 81 70 0.3 50 12 18 100 23 Metro Riverside Co 89 76 0.3 56 14 23 118 24 Perris Vly 83 75 0.3 38 13 23 115 25 Lake Elsinore 69 62 0.3 25 11 15 74 26 Temecula Vly 52 49 0.3 31 11 14 55 27 Anza Vly 60 58 0.2 34 7 13 61 28 Hemet/San Jacinto 69 64 0.3 34 12 23 80 29 Banning 76 71 0.3 33 12 21 101 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 70 68 0.2 38 11 13 93 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 54 51 0.2 31 7 12 47 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 95 82 0.5 39 13 26 140 33 SW San Bernardino Vly 87 74 0.4 50 14 25 112 34 C San Bernardino Vly 97 84 0.4 37 18 28 147 35 E San Bernardino Vly 99 86 0.3 40 19 25 151 36 W San Bernardino Mtns 96 84 0.3 37 11 28 147 37 C San Bernardino Mtns 106 92 0.3 36 7 30 166 38 Big Bear Lake 86 76 0.3 35 7 27 118 San Bernardino County: Mojave Desert Air Basin 39 Phelan 88 74 0.3 31 7 32 112 40 Hesperia 83 74 0.3 30 9 33 112 41 Trona 60 56 0.2 27 7 17 54 42 Victorville 89 79 0.3 30 10 33 129 43 Yucca Vly 72 68 0.2 31 10 21 93 44 Barstow 75 67 0.2 26 9 42 90 45 Twentynine Palms 58 55 0.2 30 9 19 51 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., JUN. 10, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Central Mojave Desert AQI: 93 Ozone Coachella Valley/Low Desert AQI: 93 Ozone Coastal Area AQI: 56 PM2.5 Inland Orange County AQI: 55 PM2.5 Metropolitan Area AQI: 60 PM2.5 Northern Mojave Desert AQI: 90 Ozone Temecula/Anza Area AQI: 61 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Antelope Valley AQI: 126 Ozone Banning Pass Area AQI: 101 Ozone Big Bear Lake AQI: 118 Ozone Hemet/Elsinore Area AQI: 115 Ozone Riverside Valley AQI: 118 Ozone San Fernando/Santa Clarita Valleys AQI: 136 Ozone San Gabriel Mountains AQI: 115 Ozone San Gabriel Valley AQI: 129 Ozone Victor Valley AQI: 129 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 166 Ozone San Bernardino Valley AQI: 151 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ High pressure will build on Wednesday, leading to less cloud cover, lighter winds and temperatures 3-10 degrees warmer than Tuesday. Inversion Base: 1440 FT | Breaking Temperature: 80 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2045 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 WEDNESDAY, JUNE 10, 2026 IN THE SOUTH COAST AIR BASIN.