SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: SAT., JUL. 11, 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 69 57 0.5 25 14 20 60 2 NW Coastal LA 49 42 0.3 25 11 13 55 3 SW Coastal LA 45 39 0.1 24 10 12 53 4 S Coastal LA 46 42 0.3 24 9 12 50 5 Southeast LA Co 57 49 0.4 26 12 19 56 6 W San Fernando Vly 72 64 0.3 25 11 11 80 7 E San Fernando Vly 73 63 0.4 26 14 16 77 8 W San Gabriel Vly 82 66 0.3 31 15 13 87 9 E San Gabriel Vly 86 72 0.4 36 14 17 105 10 Pomona Walnut Vly 80 68 0.4 41 14 16 93 11 S San Gabriel Vly 69 57 0.3 32 14 19 60 12 S Central LA Co 51 46 0.2 24 11 11 55 13 Santa Clarita Vly 97 85 0.3 27 15 18 150 15 San Gabriel Mts 83 74 0.4 40 14 22 112 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 83 78 0.3 31 13 25 126 Orange County: South Coast Air Basin 16 N Orange Co 58 51 0.1 36 12 8 56 17 Central Orange Co 49 45 0.3 21 12 7 56 18 N Coastal Orange Co 42 39 0.3 27 8 10 44 19 Saddleback Vly 51 47 0.2 36 8 10 44 20 Central Coastal 46 42 0.2 31 8 10 44 21 Capistrano Vly 48 45 0.3 34 8 10 44 Riverside County: South Coast Air Basin 22 Norco/Corona 76 68 0.3 48 13 12 93 23 Metro Riverside Co 82 74 0.4 52 14 12 112 24 Perris Vly 79 72 0.4 43 14 21 105 25 Lake Elsinore 69 64 0.3 35 13 10 80 26 Temecula Vly 53 50 0.3 42 11 10 55 27 Anza Vly 67 60 0.3 47 8 11 67 28 Hemet/San Jacinto 67 64 0.3 39 11 24 80 29 Banning 86 75 0.3 35 9 26 115 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 67 63 0.3 56 11 11 77 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 49 42 0.2 37 8 10 44 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 84 74 0.4 44 13 22 112 33 SW San Bernardino Vly 79 69 0.4 48 14 22 97 34 C San Bernardino Vly 96 90 0.3 44 13 25 161 35 E San Bernardino Vly 93 87 0.4 44 13 25 154 36 W San Bernardino Mtns 83 76 0.3 41 10 24 118 37 C San Bernardino Mtns 96 88 0.3 42 8 27 156 38 Big Bear Lake 79 72 0.3 39 8 26 105 San Bernardino County: Mojave Desert Air Basin 39 Phelan 77 69 0.3 33 8 27 97 40 Hesperia 74 67 0.3 29 9 29 90 41 Trona 59 57 0.1 28 8 19 58 42 Victorville 79 73 0.3 32 10 27 108 43 Yucca Vly 72 63 0.2 37 10 20 77 44 Barstow 71 68 0.2 34 11 43 93 45 Twentynine Palms 56 48 0.2 37 9 18 50 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON SAT., JUL. 11, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Central Mojave Desert AQI: 77 Ozone Coachella Valley/Low Desert AQI: 77 Ozone Coastal Area AQI: 55 PM2.5 Inland Orange County AQI: 56 PM2.5 Metropolitan Area AQI: 60 PM2.5 Northern Mojave Desert AQI: 93 Ozone Temecula/Anza Area AQI: 67 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Antelope Valley AQI: 126 Ozone Banning Pass Area AQI: 115 Ozone Big Bear Lake AQI: 105 Ozone Hemet/Elsinore Area AQI: 105 Ozone Riverside Valley AQI: 112 Ozone San Fernando/Santa Clarita Valleys AQI: 150 Ozone San Gabriel Mountains AQI: 112 Ozone San Gabriel Valley AQI: 105 Ozone Victor Valley AQI: 108 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 156 Ozone San Bernardino Valley AQI: 161 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Slight cooling occurs by the weekend into Monday. Clouds will remain in place through the early morning hours, and then should gradually dissipate fairly quickly for the inland areas. Inversion Base: 1517 FT | Breaking Temperature: 88 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2659 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 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 SATURDAY, JULY 11, 2026 IN THE SOUTH COAST AIR BASIN.