SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., JUN. 02, 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 50 46 0.4 30 12 18 56 2 NW Coastal LA 41 39 0.3 28 9 14 50 3 SW Coastal LA 37 35 0.1 29 8 12 44 4 S Coastal LA 42 39 0.1 27 8 19 44 5 Southeast LA Co 45 42 0.3 29 10 18 53 6 W San Fernando Vly 62 57 0.3 26 9 9 58 7 E San Fernando Vly 61 55 0.3 30 11 15 55 8 W San Gabriel Vly 54 51 0.3 31 12 14 56 9 E San Gabriel Vly 66 60 0.3 35 11 16 67 10 Pomona Walnut Vly 68 61 0.3 36 11 19 71 11 S San Gabriel Vly 49 45 0.3 31 11 18 55 12 S Central LA Co 42 38 0.1 29 10 15 53 13 Santa Clarita Vly 76 70 0.2 26 10 13 100 15 San Gabriel Mts 67 62 0.3 36 11 22 74 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 71 66 0.2 21 11 26 87 Orange County: South Coast Air Basin 16 N Orange Co 52 49 0.1 29 9 13 50 17 Central Orange Co 43 40 0.2 19 9 8 50 18 N Coastal Orange Co 41 39 0.2 22 5 16 36 19 Saddleback Vly 49 46 0.2 29 5 11 43 20 Central Coastal 44 42 0.2 24 5 12 39 21 Capistrano Vly 45 44 0.2 26 6 10 41 Riverside County: South Coast Air Basin 22 Norco/Corona 64 59 0.3 38 11 12 64 23 Metro Riverside Co 68 62 0.5 41 14 11 74 24 Perris Vly 72 64 0.4 35 12 19 80 25 Lake Elsinore 66 59 0.3 26 10 10 64 26 Temecula Vly 47 45 0.2 30 8 10 44 27 Anza Vly 58 55 0.2 33 5 11 51 28 Hemet/San Jacinto 63 59 0.3 31 9 19 64 29 Banning 82 71 0.3 30 10 17 101 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 72 70 0.2 39 6 12 100 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 53 50 0.2 27 5 11 46 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 69 64 0.3 38 11 16 80 33 SW San Bernardino Vly 63 58 0.3 39 11 22 61 34 C San Bernardino Vly 81 72 0.3 34 12 28 105 35 E San Bernardino Vly 85 75 0.4 37 12 21 115 36 W San Bernardino Mtns 73 67 0.3 36 10 23 90 37 C San Bernardino Mtns 81 73 0.3 33 7 25 108 38 Big Bear Lake 75 71 0.3 32 7 23 101 San Bernardino County: Mojave Desert Air Basin 39 Phelan 78 72 0.3 29 6 25 105 40 Hesperia 66 65 0.3 29 8 26 84 41 Trona 62 58 0.2 27 7 17 61 42 Victorville 72 71 0.3 29 9 25 101 43 Yucca Vly 73 68 0.2 28 7 19 93 44 Barstow 74 69 0.2 30 8 39 97 45 Twentynine Palms 65 62 0.2 28 7 18 74 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., JUN. 02, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Coastal Area AQI: 50 PM2.5 Inland Orange County AQI: 50 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 87 Ozone Central Mojave Desert AQI: 93 Ozone Coachella Valley/Low Desert AQI: 100 Ozone Hemet/Elsinore Area AQI: 80 Ozone Metropolitan Area AQI: 56 PM2.5 Northern Mojave Desert AQI: 97 Ozone Riverside Valley AQI: 74 Ozone San Fernando/Santa Clarita Valleys AQI: 100 Ozone San Gabriel Mountains AQI: 74 Ozone San Gabriel Valley AQI: 71 Ozone Temecula/Anza Area AQI: 51 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 101 Ozone Big Bear Lake AQI: 101 Ozone San Bernardino Mountains AQI: 108 Ozone San Bernardino Valley AQI: 115 Ozone Victor Valley AQI: 105 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mostly cloudy skies becoming sunny with lower temperatures are expected. Patch morning fog in the coastal areas. Inversion Base: 2299 FT | Breaking Temperature: 77 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2783 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: MARGINAL-BURN Burning is prohibited in the following source/receptor areas: 29, 34, 35, 37, 38 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, JUNE 02, 2026 IN THE SOUTH COAST AIR BASIN.