SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., JUL. 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 64 58 0.7 41 13 27 61 2 NW Coastal LA 47 42 0.4 38 11 13 55 3 SW Coastal LA 39 34 0.2 39 9 13 50 4 S Coastal LA 48 42 0.2 37 8 27 44 5 Southeast LA Co 63 55 0.5 39 10 24 53 6 W San Fernando Vly 67 57 0.4 35 8 19 58 7 E San Fernando Vly 68 60 0.5 40 10 23 67 8 W San Gabriel Vly 76 76 0.4 40 11 20 118 9 E San Gabriel Vly 106 89 0.5 39 9 27 159 10 Pomona Walnut Vly 91 80 0.4 45 12 30 133 11 S San Gabriel Vly 75 71 0.4 39 12 23 101 12 S Central LA Co 53 44 0.2 39 9 16 50 13 Santa Clarita Vly 79 64 0.3 34 9 24 80 15 San Gabriel Mts 77 70 0.4 39 9 31 100 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 63 60 0.3 26 11 29 67 Orange County: South Coast Air Basin 16 N Orange Co 71 61 0.2 47 11 15 71 17 Central Orange Co 49 46 0.3 29 10 13 53 18 N Coastal Orange Co 42 38 0.2 32 6 23 35 19 Saddleback Vly 63 56 0.3 47 7 20 54 20 Central Coastal 48 45 0.3 32 6 20 42 21 Capistrano Vly 50 49 0.3 40 6 21 45 Riverside County: South Coast Air Basin 22 Norco/Corona 81 72 0.4 65 12 22 105 23 Metro Riverside Co 84 77 0.5 74 13 22 122 24 Perris Vly 84 74 0.4 45 11 27 112 25 Lake Elsinore 78 69 0.3 33 9 21 97 26 Temecula Vly 55 61 0.3 51 9 19 71 27 Anza Vly 58 56 0.2 59 6 17 54 28 Hemet/San Jacinto 71 68 0.3 44 8 25 93 29 Banning 86 78 0.3 33 8 18 126 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 79 68 0.2 74 10 15 93 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 53 51 0.2 43 7 15 47 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 108 92 0.5 40 13 33 166 33 SW San Bernardino Vly 89 78 0.4 65 13 34 126 34 C San Bernardino Vly 98 86 0.4 33 11 37 151 35 E San Bernardino Vly 98 88 0.4 43 10 30 156 36 W San Bernardino Mtns 98 84 0.4 39 10 36 147 37 C San Bernardino Mtns 110 93 0.4 35 6 38 169 38 Big Bear Lake 92 78 0.4 33 7 29 126 San Bernardino County: Mojave Desert Air Basin 39 Phelan 83 72 0.4 33 7 39 105 40 Hesperia 87 71 0.4 32 8 41 101 41 Trona 57 53 0.2 28 8 15 49 42 Victorville 84 71 0.3 33 9 42 101 43 Yucca Vly 84 71 0.2 34 9 20 101 44 Barstow 65 60 0.3 30 8 33 67 45 Twentynine Palms 67 57 0.2 36 9 19 58 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., JUL. 15, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Antelope Valley AQI: 67 Ozone Coachella Valley/Low Desert AQI: 93 Ozone Coastal Area AQI: 55 PM2.5 Inland Orange County AQI: 54 Ozone Metropolitan Area AQI: 71 Ozone Northern Mojave Desert AQI: 67 Ozone San Fernando/Santa Clarita Valleys AQI: 80 Ozone San Gabriel Mountains AQI: 100 Ozone Temecula/Anza Area AQI: 71 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 126 Ozone Big Bear Lake AQI: 126 Ozone Central Mojave Desert AQI: 101 Ozone Hemet/Elsinore Area AQI: 112 Ozone Riverside Valley AQI: 122 Ozone Victor Valley AQI: 105 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 169 Ozone San Bernardino Valley AQI: 166 Ozone San Gabriel Valley AQI: 159 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mostly sunny skies with warm temperatures are expected. Inversion Base: 1509 FT | Breaking Temperature: 90 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2110 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 WEDNESDAY, JULY 15, 2026 IN THE SOUTH COAST AIR BASIN.