SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., JUN. 22, 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 53 45 0.4 73 68 17 160 2 NW Coastal LA 38 35 0.3 35 30 12 90 3 SW Coastal LA 36 32 0.2 26 17 8 66 4 S Coastal LA 40 36 0.1 26 9 14 50 5 Southeast LA Co 48 42 0.3 29 24 15 79 6 W San Fernando Vly 61 55 0.3 41 36 9 102 7 E San Fernando Vly 57 50 0.3 48 43 14 119 8 W San Gabriel Vly 66 56 0.3 56 51 12 139 9 E San Gabriel Vly 77 69 0.3 53 48 15 132 10 Pomona Walnut Vly 67 61 0.3 41 36 16 102 11 S San Gabriel Vly 54 47 0.3 49 44 15 122 12 S Central LA Co 43 38 0.2 26 10 9 53 13 Santa Clarita Vly 80 73 0.3 27 11 16 108 15 San Gabriel Mts 72 66 0.3 37 32 16 94 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 77 71 0.2 29 12 15 101 Orange County: South Coast Air Basin 16 N Orange Co 53 48 0.2 32 15 9 62 17 Central Orange Co 43 39 0.2 26 9 7 50 18 N Coastal Orange Co 37 33 0.2 25 5 12 31 19 Saddleback Vly 46 41 0.2 31 4 9 38 20 Central Coastal 39 35 0.2 24 4 9 32 21 Capistrano Vly 39 36 0.2 28 5 9 33 Riverside County: South Coast Air Basin 22 Norco/Corona 64 59 0.3 39 11 10 64 23 Metro Riverside Co 75 67 0.4 41 11 10 90 24 Perris Vly 75 68 0.3 33 10 18 93 25 Lake Elsinore 62 56 0.3 23 7 9 54 26 Temecula Vly 48 43 0.2 34 7 9 40 27 Anza Vly 56 54 0.2 38 5 9 50 28 Hemet/San Jacinto 64 60 0.2 33 8 20 67 29 Banning 80 70 0.2 32 8 18 100 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 45 9 9 93 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 54 52 0.2 32 6 9 48 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 77 70 0.3 45 40 13 112 33 SW San Bernardino Vly 65 60 0.3 42 23 18 77 34 C San Bernardino Vly 81 73 0.2 34 14 23 108 35 E San Bernardino Vly 82 76 0.3 34 10 22 118 36 W San Bernardino Mtns 78 71 0.3 37 29 26 101 37 C San Bernardino Mtns 84 79 0.2 33 7 31 129 38 Big Bear Lake 73 68 0.2 32 5 23 93 San Bernardino County: Mojave Desert Air Basin 39 Phelan 71 66 0.2 28 14 35 87 40 Hesperia 72 68 0.2 23 9 37 93 41 Trona 66 61 0.2 25 7 17 71 42 Victorville 76 72 0.2 27 9 39 105 43 Yucca Vly 71 67 0.2 32 6 16 90 44 Barstow 74 70 0.2 29 9 32 100 45 Twentynine Palms 61 59 0.2 31 6 14 64 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., JUN. 22, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Inland Orange County AQI: 50 PM2.5 Temecula/Anza Area AQI: 50 Ozone MODERATE in the following area(s): Banning Pass Area AQI: 100 Ozone Big Bear Lake AQI: 93 Ozone Central Mojave Desert AQI: 90 Ozone Coachella Valley/Low Desert AQI: 93 Ozone Coastal Area AQI: 90 PM2.5 Hemet/Elsinore Area AQI: 93 Ozone Northern Mojave Desert AQI: 100 Ozone Riverside Valley AQI: 90 Ozone San Gabriel Mountains AQI: 94 PM2.5 UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Antelope Valley AQI: 101 Ozone San Bernardino Mountains AQI: 129 Ozone San Bernardino Valley AQI: 118 Ozone San Fernando/Santa Clarita Valleys AQI: 119 PM2.5 San Gabriel Valley AQI: 139 PM2.5 Victor Valley AQI: 105 Ozone UNHEALTHY in the following area(s): Metropolitan Area AQI: 160 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Sunny skies with warmer temperatures are expected. Patchy morning fog is expected in the coastal and mountain areas. Inversion Base: 2227 FT | Breaking Temperature: 81 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2621 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 MONDAY, JUNE 22, 2026 IN THE SOUTH COAST AIR BASIN.