SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., JUL. 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 59 53 0.5 27 14 21 60 2 NW Coastal LA 45 39 0.3 27 10 14 53 3 SW Coastal LA 41 34 0.2 28 10 11 53 4 S Coastal LA 48 42 0.3 31 11 19 55 5 Southeast LA Co 54 48 0.4 33 12 23 56 6 W San Fernando Vly 69 60 0.4 27 10 14 67 7 E San Fernando Vly 67 60 0.4 28 12 20 67 8 W San Gabriel Vly 67 62 0.3 32 14 14 74 9 E San Gabriel Vly 81 72 0.4 37 14 25 105 10 Pomona Walnut Vly 77 70 0.4 43 14 23 100 11 S San Gabriel Vly 60 55 0.4 34 14 23 60 12 S Central LA Co 49 43 0.3 29 11 14 55 13 Santa Clarita Vly 87 74 0.3 29 10 22 112 15 San Gabriel Mts 76 68 0.4 41 12 24 93 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 70 66 0.3 33 13 19 87 Orange County: South Coast Air Basin 16 N Orange Co 56 53 0.1 40 11 14 55 17 Central Orange Co 47 44 0.3 33 10 11 53 18 N Coastal Orange Co 45 42 0.2 32 7 17 39 19 Saddleback Vly 50 47 0.2 40 6 16 44 20 Central Coastal 45 44 0.2 32 6 16 41 21 Capistrano Vly 45 44 0.3 35 7 16 41 Riverside County: South Coast Air Basin 22 Norco/Corona 69 64 0.3 47 11 17 80 23 Metro Riverside Co 78 71 0.4 50 14 17 101 24 Perris Vly 75 69 0.3 39 10 24 97 25 Lake Elsinore 64 61 0.3 33 8 17 71 26 Temecula Vly 53 50 0.3 41 8 15 46 27 Anza Vly 59 55 0.2 46 6 14 51 28 Hemet/San Jacinto 67 63 0.3 37 9 25 77 29 Banning 80 74 0.3 30 10 24 112 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 72 68 0.2 55 10 12 93 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 51 49 0.2 37 6 13 45 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 80 74 0.5 45 12 27 112 33 SW San Bernardino Vly 72 67 0.4 47 13 28 90 34 C San Bernardino Vly 81 76 0.4 34 11 31 118 35 E San Bernardino Vly 85 77 0.4 39 10 25 122 36 W San Bernardino Mtns 80 75 0.4 41 9 28 115 37 C San Bernardino Mtns 81 77 0.3 35 5 27 122 38 Big Bear Lake 71 65 0.3 32 5 25 84 San Bernardino County: Mojave Desert Air Basin 39 Phelan 79 74 0.3 33 6 24 112 40 Hesperia 67 64 0.3 28 6 27 80 41 Trona 58 54 0.2 26 6 25 50 42 Victorville 73 69 0.3 30 7 24 97 43 Yucca Vly 67 64 0.2 33 5 20 80 44 Barstow 69 65 0.2 28 7 36 84 45 Twentynine Palms 66 62 0.2 35 7 18 74 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., JUL. 07, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... MODERATE in the following area(s): Antelope Valley AQI: 87 Ozone Big Bear Lake AQI: 84 Ozone Central Mojave Desert AQI: 80 Ozone Coachella Valley/Low Desert AQI: 93 Ozone Coastal Area AQI: 55 PM2.5 Hemet/Elsinore Area AQI: 97 Ozone Inland Orange County AQI: 53 PM2.5 Metropolitan Area AQI: 60 PM2.5 Northern Mojave Desert AQI: 84 Ozone San Gabriel Mountains AQI: 93 Ozone Temecula/Anza Area AQI: 51 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 112 Ozone Riverside Valley AQI: 101 Ozone San Bernardino Mountains AQI: 122 Ozone San Bernardino Valley AQI: 122 Ozone San Fernando/Santa Clarita Valleys AQI: 112 Ozone San Gabriel Valley AQI: 105 Ozone Victor Valley AQI: 112 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ The warming trend will continue for inland area. There will be moderate to major HeatRisk for the lower deserts for Tuesday through Thursday. Inversion Base: 1542 FT | Breaking Temperature: 84 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 1917 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: MARGINAL-BURN Burning is prohibited in the following source/receptor areas: 9, 13, 23, 29, 32, 34, 35, 36, 37 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 TUESDAY, JULY 07, 2026 IN THE SOUTH COAST AIR BASIN.