SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: SAT., AUG. 01, 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 77 65 0.5 37 17 26 84 2 NW Coastal LA 51 44 0.3 36 13 13 58 3 SW Coastal LA 42 36 0.1 38 11 16 55 4 S Coastal LA 48 45 0.2 43 10 25 53 5 Southeast LA Co 69 59 0.4 44 14 24 64 6 W San Fernando Vly 81 71 0.4 33 12 20 101 7 E San Fernando Vly 87 75 0.5 36 14 22 115 8 W San Gabriel Vly 100 83 0.4 39 15 18 143 9 E San Gabriel Vly 121 93 0.4 39 16 26 169 10 Pomona Walnut Vly 93 81 0.5 47 17 29 136 11 S San Gabriel Vly 83 70 0.4 44 16 24 100 12 S Central LA Co 56 50 0.3 40 13 15 58 13 Santa Clarita Vly 117 90 0.3 32 13 20 161 15 San Gabriel Mts 99 83 0.4 39 12 26 143 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 83 75 0.3 27 13 27 115 Orange County: South Coast Air Basin 16 N Orange Co 70 60 0.2 49 14 16 67 17 Central Orange Co 59 51 0.2 46 13 10 58 18 N Coastal Orange Co 47 42 0.2 42 7 21 39 19 Saddleback Vly 56 51 0.2 49 7 15 47 20 Central Coastal 52 46 0.3 39 7 15 43 21 Capistrano Vly 54 49 0.3 37 9 14 50 Riverside County: South Coast Air Basin 22 Norco/Corona 97 77 0.4 57 14 19 122 23 Metro Riverside Co 120 92 0.4 62 17 25 166 24 Perris Vly 80 74 0.4 44 14 26 112 25 Lake Elsinore 69 63 0.4 30 11 14 77 26 Temecula Vly 64 57 0.3 44 11 13 58 27 Anza Vly 63 57 0.3 49 7 13 58 28 Hemet/San Jacinto 85 75 0.4 39 11 24 115 29 Banning 117 90 0.3 35 9 19 161 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 71 0.2 60 11 12 101 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 63 57 0.2 41 7 12 58 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 112 86 0.5 36 15 28 151 33 SW San Bernardino Vly 104 83 0.5 57 17 31 143 34 C San Bernardino Vly 139 107 0.5 40 13 36 202 35 E San Bernardino Vly 138 106 0.4 46 11 28 201 36 W San Bernardino Mtns 112 90 0.4 37 10 31 161 37 C San Bernardino Mtns 143 110 0.4 38 6 31 205 38 Big Bear Lake 85 74 0.4 37 6 27 112 San Bernardino County: Mojave Desert Air Basin 39 Phelan 73 71 0.4 31 8 30 101 40 Hesperia 85 80 0.4 28 8 31 133 41 Trona 60 58 0.2 32 6 21 61 42 Victorville 80 74 0.3 30 10 31 112 43 Yucca Vly 71 63 0.2 37 7 20 77 44 Barstow 69 67 0.3 31 10 39 90 45 Twentynine Palms 69 62 0.2 38 8 18 74 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON SAT., AUG. 01, 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 Coastal Area AQI: 58 PM2.5 Inland Orange County AQI: 58 PM2.5 Metropolitan Area AQI: 84 Ozone Northern Mojave Desert AQI: 90 Ozone Temecula/Anza Area AQI: 58 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Antelope Valley AQI: 115 Ozone Big Bear Lake AQI: 112 Ozone Coachella Valley/Low Desert AQI: 101 Ozone Hemet/Elsinore Area AQI: 115 Ozone San Gabriel Mountains AQI: 143 Ozone Victor Valley AQI: 133 Ozone UNHEALTHY in the following area(s): Banning Pass Area AQI: 161 Ozone Riverside Valley AQI: 166 Ozone San Fernando/Santa Clarita Valleys AQI: 161 Ozone San Gabriel Valley AQI: 169 Ozone VERY UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 205 Ozone San Bernardino Valley AQI: 202 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Tomorrow will feature mostly sunny skies following the clearing of early morning coastal clouds. Heat will peak on Saturday, with temperatures up to 7 degrees warmer than Friday. Winds will be light to moderate. Inversion Base: 1538 FT | Breaking Temperature: 96 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 1981 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 SATURDAY, AUGUST 01, 2026 IN THE SOUTH COAST AIR BASIN.