SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., AUG. 03, 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 62 55 0.6 25 16 23 64 2 NW Coastal LA 47 42 0.3 25 12 12 56 3 SW Coastal LA 44 37 0.2 29 11 18 55 4 S Coastal LA 51 45 0.2 37 9 20 50 5 Southeast LA Co 58 52 0.5 38 12 24 56 6 W San Fernando Vly 73 66 0.4 24 10 16 87 7 E San Fernando Vly 67 61 0.5 25 14 22 71 8 W San Gabriel Vly 96 80 0.3 30 15 18 133 9 E San Gabriel Vly 106 88 0.4 34 17 21 156 10 Pomona Walnut Vly 84 72 0.4 43 16 23 105 11 S San Gabriel Vly 70 60 0.4 39 15 24 67 12 S Central LA Co 55 48 0.2 31 10 18 53 13 Santa Clarita Vly 95 79 0.3 24 15 23 129 15 San Gabriel Mts 88 76 0.4 36 14 26 118 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 71 65 0.3 23 12 14 84 Orange County: South Coast Air Basin 16 N Orange Co 62 56 0.2 45 12 14 56 17 Central Orange Co 50 47 0.2 41 11 11 55 18 N Coastal Orange Co 46 42 0.2 38 6 18 39 19 Saddleback Vly 56 50 0.2 45 5 16 46 20 Central Coastal 51 46 0.3 37 6 16 43 21 Capistrano Vly 52 48 0.3 34 7 17 44 Riverside County: South Coast Air Basin 22 Norco/Corona 81 70 0.3 52 14 18 100 23 Metro Riverside Co 98 82 0.3 56 17 19 140 24 Perris Vly 80 74 0.4 41 14 25 112 25 Lake Elsinore 73 65 0.3 34 11 17 84 26 Temecula Vly 61 56 0.3 36 10 15 54 27 Anza Vly 64 60 0.2 39 8 13 67 28 Hemet/San Jacinto 79 73 0.3 39 11 26 108 29 Banning 99 82 0.3 37 11 25 140 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 70 0.2 44 13 10 100 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 50 47 0.2 35 8 11 44 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 92 77 0.5 38 16 29 122 33 SW San Bernardino Vly 84 73 0.4 52 16 31 108 34 C San Bernardino Vly 108 90 0.4 43 14 36 161 35 E San Bernardino Vly 114 95 0.4 42 11 27 174 36 W San Bernardino Mtns 97 84 0.4 36 12 30 147 37 C San Bernardino Mtns 115 96 0.4 40 7 28 177 38 Big Bear Lake 74 66 0.4 39 6 26 87 San Bernardino County: Mojave Desert Air Basin 39 Phelan 76 73 0.4 28 7 24 108 40 Hesperia 75 69 0.4 25 8 27 97 41 Trona 55 54 0.2 31 6 19 50 42 Victorville 80 73 0.3 27 9 23 108 43 Yucca Vly 76 64 0.2 37 8 19 80 44 Barstow 75 65 0.3 30 7 38 84 45 Twentynine Palms 64 59 0.2 36 9 17 64 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., AUG. 03, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Antelope Valley AQI: 84 Ozone Big Bear Lake AQI: 87 Ozone Central Mojave Desert AQI: 80 Ozone Coachella Valley/Low Desert AQI: 100 Ozone Coastal Area AQI: 56 PM2.5 Inland Orange County AQI: 55 PM2.5 Metropolitan Area AQI: 64 PM2.5 Northern Mojave Desert AQI: 84 Ozone Temecula/Anza Area AQI: 67 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 140 Ozone Hemet/Elsinore Area AQI: 112 Ozone Riverside Valley AQI: 140 Ozone San Fernando/Santa Clarita Valleys AQI: 129 Ozone San Gabriel Mountains AQI: 118 Ozone Victor Valley AQI: 108 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 177 Ozone San Bernardino Valley AQI: 174 Ozone San Gabriel Valley AQI: 156 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Onshore winds will strengthen on Monday bringing a very slight cooldown from Sunday. Expect morning clouds over areas west of the coastal mountains. However, temperatures will still be at least 5 degrees above normal. Morning and evening winds through the passes could gust up to 30 mph. Inversion Base: 1445 FT | Breaking Temperature: 93 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 1922 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 MONDAY, AUGUST 03, 2026 IN THE SOUTH COAST AIR BASIN.