SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: FRI., AUG. 07, 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 51 0.5 29 13 27 58 2 NW Coastal LA 49 42 0.3 27 12 10 56 3 SW Coastal LA 42 35 0.6 29 12 8 56 4 S Coastal LA 51 44 0.3 34 11 24 55 5 Southeast LA Co 56 49 0.4 37 12 24 56 6 W San Fernando Vly 64 56 0.5 26 10 15 54 7 E San Fernando Vly 65 57 0.5 30 12 21 58 8 W San Gabriel Vly 67 57 0.4 35 13 17 58 9 E San Gabriel Vly 87 72 0.4 43 14 23 105 10 Pomona Walnut Vly 84 68 0.4 43 13 27 93 11 S San Gabriel Vly 67 56 0.4 39 13 23 58 12 S Central LA Co 53 44 0.3 31 12 20 56 13 Santa Clarita Vly 94 77 0.3 27 12 20 122 15 San Gabriel Mts 80 68 0.4 43 13 24 93 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 77 70 0.3 28 13 26 100 Orange County: South Coast Air Basin 16 N Orange Co 59 52 0.2 44 12 13 56 17 Central Orange Co 49 44 0.4 37 11 10 55 18 N Coastal Orange Co 43 39 0.3 35 10 20 53 19 Saddleback Vly 55 48 0.2 44 11 15 55 20 Central Coastal 47 43 0.3 35 10 15 53 21 Capistrano Vly 50 45 0.3 38 10 16 53 Riverside County: South Coast Air Basin 22 Norco/Corona 81 68 0.4 51 13 17 93 23 Metro Riverside Co 85 72 0.5 54 14 17 105 24 Perris Vly 86 76 0.4 47 13 22 118 25 Lake Elsinore 77 67 0.3 38 12 17 90 26 Temecula Vly 57 51 0.3 37 10 15 53 27 Anza Vly 64 59 0.3 37 10 14 64 28 Hemet/San Jacinto 80 73 0.3 40 12 23 108 29 Banning 101 85 0.3 35 12 20 150 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 69 0.3 44 11 13 97 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 46 44 0.2 31 9 10 50 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 88 74 0.4 39 16 20 112 33 SW San Bernardino Vly 81 68 0.4 50 13 28 93 34 C San Bernardino Vly 97 84 0.4 49 13 35 147 35 E San Bernardino Vly 99 86 0.4 48 12 25 151 36 W San Bernardino Mtns 88 78 0.3 40 15 32 126 37 C San Bernardino Mtns 98 88 0.3 46 9 35 156 38 Big Bear Lake 74 71 0.3 41 9 27 101 San Bernardino County: Mojave Desert Air Basin 39 Phelan 77 70 0.3 36 10 38 100 40 Hesperia 78 71 0.3 35 10 40 101 41 Trona 65 61 0.2 28 11 7 71 42 Victorville 80 75 0.3 35 10 41 115 43 Yucca Vly 82 72 0.3 34 10 20 105 44 Barstow 72 70 0.3 35 11 38 100 45 Twentynine Palms 68 64 0.3 34 9 17 80 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON FRI., AUG. 07, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Antelope Valley AQI: 100 Ozone Coachella Valley/Low Desert AQI: 97 Ozone Coastal Area AQI: 56 PM2.5 Inland Orange County AQI: 55 PM2.5 Metropolitan Area AQI: 58 PM2.5 Northern Mojave Desert AQI: 100 Ozone San Gabriel Mountains AQI: 93 Ozone Temecula/Anza Area AQI: 64 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 150 Ozone Big Bear Lake AQI: 101 Ozone Central Mojave Desert AQI: 105 Ozone Hemet/Elsinore Area AQI: 118 Ozone Riverside Valley AQI: 105 Ozone San Fernando/Santa Clarita Valleys AQI: 122 Ozone San Gabriel Valley AQI: 105 Ozone Victor Valley AQI: 115 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 156 Ozone San Bernardino Valley AQI: 151 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Temperatures will increase through Saturday. Monsoonal winds and moisture from the southeast could increase humidity. Low clouds/fog are expected in coastal areas. Inversion Base: 1593 FT | Breaking Temperature: 86 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2058 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 FRIDAY, AUGUST 07, 2026 IN THE SOUTH COAST AIR BASIN.