SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., JUN. 16, 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 57 50 0.5 24 12 21 56 2 NW Coastal LA 42 39 0.3 25 8 12 44 3 SW Coastal LA 38 35 0.1 28 8 10 44 4 S Coastal LA 49 42 0.2 33 8 19 44 5 Southeast LA Co 55 47 0.4 35 11 18 55 6 W San Fernando Vly 68 59 0.3 26 8 13 64 7 E San Fernando Vly 65 58 0.4 26 11 20 61 8 W San Gabriel Vly 69 61 0.3 32 13 16 71 9 E San Gabriel Vly 88 74 0.4 39 12 22 112 10 Pomona Walnut Vly 84 69 0.4 40 11 23 97 11 S San Gabriel Vly 63 56 0.4 36 12 14 56 12 S Central LA Co 49 41 0.2 29 9 16 50 13 Santa Clarita Vly 81 71 0.3 28 10 22 101 15 San Gabriel Mts 75 68 0.4 39 11 26 93 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 62 58 0.3 33 13 28 61 Orange County: South Coast Air Basin 16 N Orange Co 61 51 0.1 41 10 8 53 17 Central Orange Co 50 42 0.4 36 10 7 53 18 N Coastal Orange Co 47 41 0.2 33 5 16 38 19 Saddleback Vly 54 48 0.2 41 5 15 44 20 Central Coastal 50 44 0.3 33 5 15 41 21 Capistrano Vly 49 44 0.3 35 6 16 41 Riverside County: South Coast Air Basin 22 Norco/Corona 70 64 0.4 47 10 18 80 23 Metro Riverside Co 81 75 0.4 51 13 21 115 24 Perris Vly 72 66 0.4 38 11 25 87 25 Lake Elsinore 75 66 0.3 30 10 17 87 26 Temecula Vly 52 47 0.3 43 9 15 50 27 Anza Vly 59 56 0.2 49 6 13 54 28 Hemet/San Jacinto 74 69 0.3 36 9 26 97 29 Banning 85 79 0.3 30 8 24 129 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 76 71 0.2 60 11 11 101 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 57 55 0.1 36 7 10 51 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 85 73 0.5 35 12 28 108 33 SW San Bernardino Vly 77 67 0.4 47 12 28 90 34 C San Bernardino Vly 86 78 0.4 35 12 32 126 35 E San Bernardino Vly 89 81 0.4 39 10 27 136 36 W San Bernardino Mtns 84 76 0.4 35 10 29 118 37 C San Bernardino Mtns 94 86 0.4 34 7 29 151 38 Big Bear Lake 66 61 0.3 32 5 27 71 San Bernardino County: Mojave Desert Air Basin 39 Phelan 72 66 0.3 31 7 29 87 40 Hesperia 71 67 0.3 25 8 30 90 41 Trona 62 55 0.2 34 6 30 51 42 Victorville 76 72 0.3 30 9 30 105 43 Yucca Vly 73 63 0.2 30 6 19 77 44 Barstow 65 59 0.2 32 7 38 64 45 Twentynine Palms 65 60 0.2 32 7 17 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., JUN. 16, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Coastal Area AQI: 44 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 61 Ozone Big Bear Lake AQI: 71 Ozone Central Mojave Desert AQI: 77 Ozone Hemet/Elsinore Area AQI: 97 Ozone Inland Orange County AQI: 53 PM2.5 Metropolitan Area AQI: 56 PM2.5 Northern Mojave Desert AQI: 64 Ozone San Gabriel Mountains AQI: 93 Ozone Temecula/Anza Area AQI: 54 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 129 Ozone Coachella Valley/Low Desert AQI: 101 Ozone Riverside Valley AQI: 115 Ozone San Bernardino Valley AQI: 136 Ozone San Fernando/Santa Clarita Valleys AQI: 101 Ozone San Gabriel Valley AQI: 112 Ozone Victor Valley AQI: 105 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 151 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mostly sunny skies with slightly above normal temperatures are expected. Patchy morning fog is expected along the coast. Inversion Base: 1557 FT | Breaking Temperature: 86 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 1827 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 Above 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 16, 2026 IN THE SOUTH COAST AIR BASIN.