SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: SUN., JUL. 05, 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 67 58 0.5 90 84 13 171 2 NW Coastal LA 45 42 0.4 41 35 9 99 3 SW Coastal LA 40 38 0.2 34 28 6 86 4 S Coastal LA 50 44 0.2 37 23 10 77 5 Southeast LA Co 64 55 0.4 51 45 16 124 6 W San Fernando Vly 67 60 0.3 49 43 8 119 7 E San Fernando Vly 71 63 0.4 88 82 11 170 8 W San Gabriel Vly 79 67 0.4 72 66 10 158 9 E San Gabriel Vly 88 76 0.3 76 70 15 161 10 Pomona Walnut Vly 73 62 0.3 67 55 15 149 11 S San Gabriel Vly 74 62 0.3 69 63 16 156 12 S Central LA Co 54 47 0.2 44 38 9 107 13 Santa Clarita Vly 69 62 0.2 29 19 12 74 15 San Gabriel Mts 69 62 0.3 64 44 14 122 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 61 57 0.2 30 15 9 62 Orange County: South Coast Air Basin 16 N Orange Co 71 62 0.1 52 36 9 102 17 Central Orange Co 63 55 0.3 39 20 7 71 18 N Coastal Orange Co 54 48 0.2 36 21 9 73 19 Saddleback Vly 63 57 0.2 48 19 9 69 20 Central Coastal 58 52 0.2 33 15 7 62 21 Capistrano Vly 55 51 0.3 37 11 6 55 Riverside County: South Coast Air Basin 22 Norco/Corona 71 67 0.3 62 27 11 90 23 Metro Riverside Co 77 74 0.4 65 31 10 112 24 Perris Vly 68 65 0.3 49 18 17 84 25 Lake Elsinore 68 64 0.3 26 11 6 80 26 Temecula Vly 55 52 0.2 50 8 6 48 27 Anza Vly 56 53 0.2 58 8 7 52 28 Hemet/San Jacinto 67 62 0.3 45 9 18 74 29 Banning 79 72 0.2 42 8 18 105 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 77 72 0.2 75 13 7 105 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 59 52 0.2 39 8 7 48 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 68 62 0.4 72 59 15 153 33 SW San Bernardino Vly 72 67 0.4 68 59 16 153 34 C San Bernardino Vly 85 78 0.3 53 42 20 126 35 E San Bernardino Vly 76 70 0.3 51 17 19 100 36 W San Bernardino Mtns 77 70 0.3 64 42 16 117 37 C San Bernardino Mtns 90 80 0.3 51 10 19 133 38 Big Bear Lake 76 68 0.3 47 8 19 93 San Bernardino County: Mojave Desert Air Basin 39 Phelan 74 68 0.2 43 21 14 93 40 Hesperia 79 72 0.3 33 14 18 105 41 Trona 55 53 0.1 25 8 23 49 42 Victorville 76 70 0.2 37 15 14 100 43 Yucca Vly 74 68 0.2 28 9 14 93 44 Barstow 84 73 0.2 27 13 29 108 45 Twentynine Palms 67 60 0.2 30 9 12 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON SUN., JUL. 05, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Antelope Valley AQI: 62 PM2.5 Big Bear Lake AQI: 93 Ozone Central Mojave Desert AQI: 93 Ozone Coastal Area AQI: 99 PM2.5 Hemet/Elsinore Area AQI: 84 Ozone Inland Orange County AQI: 71 PM2.5 Temecula/Anza Area AQI: 52 PM10 UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 105 Ozone Coachella Valley/Low Desert AQI: 105 Ozone Northern Mojave Desert AQI: 108 Ozone Riverside Valley AQI: 112 Ozone San Bernardino Mountains AQI: 133 Ozone San Gabriel Mountains AQI: 122 PM2.5 Victor Valley AQI: 105 Ozone UNHEALTHY in the following area(s): Metropolitan Area AQI: 171 PM2.5 San Bernardino Valley AQI: 153 PM2.5 San Fernando/Santa Clarita Valleys AQI: 170 PM2.5 San Gabriel Valley AQI: 161 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Onshore flow is expected to continue with night and morning low clouds for the coasts and coastal valleys. A slight cooling is expected on Sunday compared to Saturday for the Inland Empire, Orange County, and much of Los Angeles County. Coachella Valley is expected to have similar or slightly warmer temperatures on Sunday compared to Saturday. Inversion Base: 1614 FT | Breaking Temperature: 74 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2226 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 SUNDAY, JULY 05, 2026 IN THE SOUTH COAST AIR BASIN.