SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., JUN. 03, 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 61 53 0.5 38 16 22 64 2 NW Coastal LA 46 42 0.4 35 12 10 56 3 SW Coastal LA 40 36 0.2 36 11 16 55 4 S Coastal LA 48 44 0.2 34 9 16 50 5 Southeast LA Co 57 51 0.4 36 12 18 56 6 W San Fernando Vly 69 64 0.3 32 11 9 80 7 E San Fernando Vly 68 62 0.4 37 14 18 74 8 W San Gabriel Vly 69 61 0.3 37 15 12 71 9 E San Gabriel Vly 89 78 0.3 35 13 19 126 10 Pomona Walnut Vly 83 73 0.4 37 13 23 108 11 S San Gabriel Vly 65 57 0.2 37 14 18 60 12 S Central LA Co 51 45 0.2 36 12 10 56 13 Santa Clarita Vly 90 83 0.3 31 11 21 143 15 San Gabriel Mts 80 74 0.3 36 12 28 112 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 69 67 0.3 23 12 32 90 Orange County: South Coast Air Basin 16 N Orange Co 63 57 0.1 34 11 8 58 17 Central Orange Co 49 45 0.3 27 11 9 55 18 N Coastal Orange Co 41 37 0.2 30 6 14 34 19 Saddleback Vly 50 46 0.2 33 7 12 43 20 Central Coastal 43 40 0.2 26 6 11 37 21 Capistrano Vly 46 43 0.2 29 6 11 40 Riverside County: South Coast Air Basin 22 Norco/Corona 76 68 0.3 41 12 14 93 23 Metro Riverside Co 88 76 0.3 43 16 16 118 24 Perris Vly 84 76 0.3 37 14 22 118 25 Lake Elsinore 70 66 0.3 26 11 11 87 26 Temecula Vly 63 56 0.2 34 9 11 54 27 Anza Vly 73 70 0.2 38 7 11 100 28 Hemet/San Jacinto 84 77 0.3 35 11 23 122 29 Banning 97 88 0.3 34 9 23 156 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 84 78 0.2 44 6 11 126 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 61 56 0.2 31 6 10 54 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 85 77 0.4 38 13 16 122 33 SW San Bernardino Vly 79 71 0.4 41 13 20 101 34 C San Bernardino Vly 97 84 0.3 39 14 24 147 35 E San Bernardino Vly 97 85 0.3 38 13 24 150 36 W San Bernardino Mtns 94 86 0.3 36 12 21 151 37 C San Bernardino Mtns 97 88 0.3 38 7 24 156 38 Big Bear Lake 85 79 0.3 36 6 24 129 San Bernardino County: Mojave Desert Air Basin 39 Phelan 87 79 0.3 31 7 23 129 40 Hesperia 78 73 0.3 31 9 25 108 41 Trona 67 63 0.2 35 8 24 77 42 Victorville 81 78 0.3 32 10 22 126 43 Yucca Vly 85 76 0.2 32 6 18 118 44 Barstow 70 69 0.2 35 8 36 97 45 Twentynine Palms 69 66 0.2 31 6 17 87 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., JUN. 03, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Antelope Valley AQI: 90 Ozone Coastal Area AQI: 56 PM2.5 Inland Orange County AQI: 55 PM2.5 Metropolitan Area AQI: 64 PM2.5 Northern Mojave Desert AQI: 97 Ozone Temecula/Anza Area AQI: 100 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Big Bear Lake AQI: 129 Ozone Central Mojave Desert AQI: 118 Ozone Coachella Valley/Low Desert AQI: 126 Ozone Hemet/Elsinore Area AQI: 122 Ozone Riverside Valley AQI: 118 Ozone San Bernardino Valley AQI: 150 Ozone San Fernando/Santa Clarita Valleys AQI: 143 Ozone San Gabriel Mountains AQI: 112 Ozone San Gabriel Valley AQI: 126 Ozone Victor Valley AQI: 129 Ozone UNHEALTHY in the following area(s): Banning Pass Area AQI: 156 Ozone San Bernardino Mountains AQI: 156 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mostly sunny skies are expected. Partly cloudy skies with morning patchy fog are expected along the coast. Inversion Base: 2302 FT | Breaking Temperature: 85 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2741 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: MARGINAL-BURN Burning is prohibited in source/receptor area 30 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 03, 2026 IN THE SOUTH COAST AIR BASIN.