SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., JUN. 15, 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 49 0.4 30 10 19 53 2 NW Coastal LA 42 38 0.3 29 8 15 44 3 SW Coastal LA 38 33 0.1 29 7 10 39 4 S Coastal LA 50 40 0.3 28 7 14 39 5 Southeast LA Co 56 44 0.4 30 10 19 53 6 W San Fernando Vly 60 51 0.3 28 8 14 47 7 E San Fernando Vly 64 53 0.3 30 9 17 50 8 W San Gabriel Vly 70 59 0.3 32 11 15 64 9 E San Gabriel Vly 87 73 0.4 35 11 18 108 10 Pomona Walnut Vly 84 69 0.4 36 11 23 97 11 S San Gabriel Vly 63 50 0.4 33 11 19 55 12 S Central LA Co 47 38 0.2 29 8 10 44 13 Santa Clarita Vly 89 70 0.2 29 8 16 100 15 San Gabriel Mts 77 65 0.4 35 9 22 84 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 62 58 0.3 29 11 17 61 Orange County: South Coast Air Basin 16 N Orange Co 66 53 0.1 35 10 11 53 17 Central Orange Co 53 43 0.3 27 10 11 53 18 N Coastal Orange Co 49 40 0.3 27 5 13 37 19 Saddleback Vly 56 49 0.2 35 3 13 45 20 Central Coastal 51 43 0.3 27 4 13 40 21 Capistrano Vly 48 42 0.3 31 5 13 39 Riverside County: South Coast Air Basin 22 Norco/Corona 65 58 0.4 43 9 16 61 23 Metro Riverside Co 73 67 0.4 47 11 19 90 24 Perris Vly 69 63 0.4 37 10 24 77 25 Lake Elsinore 71 59 0.3 27 9 14 64 26 Temecula Vly 51 47 0.3 37 8 13 44 27 Anza Vly 65 58 0.2 42 6 12 61 28 Hemet/San Jacinto 71 65 0.4 34 8 24 84 29 Banning 76 72 0.3 31 6 21 105 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 73 69 0.2 51 11 10 97 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 52 50 0.1 33 8 11 46 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 80 70 0.5 35 11 24 100 33 SW San Bernardino Vly 74 63 0.4 43 11 25 77 34 C San Bernardino Vly 86 78 0.4 39 10 28 126 35 E San Bernardino Vly 87 77 0.4 38 9 27 122 36 W San Bernardino Mtns 82 77 0.4 34 11 28 122 37 C San Bernardino Mtns 88 79 0.4 36 6 30 129 38 Big Bear Lake 66 62 0.4 34 5 26 74 San Bernardino County: Mojave Desert Air Basin 39 Phelan 75 72 0.3 30 7 30 105 40 Hesperia 71 69 0.4 25 8 32 97 41 Trona 62 55 0.2 22 6 20 51 42 Victorville 76 72 0.3 28 8 32 105 43 Yucca Vly 72 65 0.2 29 6 19 84 44 Barstow 65 58 0.3 31 7 37 61 45 Twentynine Palms 64 59 0.2 30 7 17 64 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., JUN. 15, 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: 74 Ozone Central Mojave Desert AQI: 84 Ozone Coachella Valley/Low Desert AQI: 97 Ozone Hemet/Elsinore Area AQI: 84 Ozone Inland Orange County AQI: 53 PM2.5 Metropolitan Area AQI: 53 PM2.5 Northern Mojave Desert AQI: 61 Ozone Riverside Valley AQI: 90 Ozone San Fernando/Santa Clarita Valleys AQI: 100 Ozone San Gabriel Mountains AQI: 84 Ozone Temecula/Anza Area AQI: 61 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 105 Ozone San Bernardino Mountains AQI: 129 Ozone San Bernardino Valley AQI: 126 Ozone San Gabriel Valley AQI: 108 Ozone Victor Valley AQI: 105 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Since we're stuck in a repetitive weather pattern, Monday temperatures and winds will be like Sunday. Coasts and western valleys will have morning clouds that clear off in a few hours. Mostly sunny skies everywhere else. Inversion Base: 1564 FT | Breaking Temperature: 82 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 1876 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: MARGINAL-BURN Burning is prohibited in the following source/receptor areas: 9, 29, 34, 35, 36, 37 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 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 MONDAY, JUNE 15, 2026 IN THE SOUTH COAST AIR BASIN.