SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: THU., JUL. 02, 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 48 42 0.6 26 10 17 53 2 NW Coastal LA 39 37 0.3 26 6 14 34 3 SW Coastal LA 41 37 0.2 27 6 10 34 4 S Coastal LA 43 39 0.1 30 7 17 39 5 Southeast LA Co 45 41 0.4 32 9 17 50 6 W San Fernando Vly 58 53 0.3 24 7 10 49 7 E San Fernando Vly 57 50 0.4 27 10 14 53 8 W San Gabriel Vly 55 49 0.3 30 10 10 53 9 E San Gabriel Vly 67 56 0.3 36 11 15 55 10 Pomona Walnut Vly 72 59 0.3 43 11 17 64 11 S San Gabriel Vly 48 43 0.3 34 10 16 53 12 S Central LA Co 42 38 0.2 28 8 17 44 13 Santa Clarita Vly 65 59 0.2 24 10 14 64 15 San Gabriel Mts 63 57 0.3 41 10 15 58 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 68 61 0.2 22 10 13 71 Orange County: South Coast Air Basin 16 N Orange Co 50 46 0.1 37 9 11 50 17 Central Orange Co 44 40 0.2 32 9 8 50 18 N Coastal Orange Co 42 39 0.2 30 5 14 36 19 Saddleback Vly 47 44 0.1 36 5 11 41 20 Central Coastal 42 40 0.2 29 5 11 37 21 Capistrano Vly 40 38 0.2 33 5 10 35 Riverside County: South Coast Air Basin 22 Norco/Corona 64 56 0.3 43 10 11 54 23 Metro Riverside Co 72 62 0.4 44 13 11 74 24 Perris Vly 65 59 0.3 39 14 20 64 25 Lake Elsinore 52 49 0.2 26 11 10 55 26 Temecula Vly 44 42 0.2 43 9 9 50 27 Anza Vly 53 50 0.2 50 7 9 46 28 Hemet/San Jacinto 61 56 0.2 36 13 20 58 29 Banning 71 63 0.2 32 7 19 77 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 71 67 0.2 63 13 9 90 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 53 53 0.2 38 8 10 49 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 65 55 0.3 47 12 15 56 33 SW San Bernardino Vly 67 56 0.3 45 12 17 56 34 C San Bernardino Vly 76 66 0.3 43 12 23 87 35 E San Bernardino Vly 81 70 0.3 41 10 21 100 36 W San Bernardino Mtns 70 61 0.3 41 10 19 71 37 C San Bernardino Mtns 79 68 0.2 40 6 22 93 38 Big Bear Lake 64 59 0.2 36 5 21 64 San Bernardino County: Mojave Desert Air Basin 39 Phelan 67 63 0.2 29 5 18 77 40 Hesperia 67 60 0.2 23 7 22 67 41 Trona 56 53 0.2 24 5 26 49 42 Victorville 70 64 0.2 25 8 19 80 43 Yucca Vly 66 62 0.2 30 5 17 74 44 Barstow 66 61 0.2 25 6 34 71 45 Twentynine Palms 64 60 0.2 32 7 15 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON THU., JUL. 02, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Coastal Area AQI: 39 PM2.5 Inland Orange County AQI: 50 PM2.5 Temecula/Anza Area AQI: 50 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 71 Ozone Banning Pass Area AQI: 77 Ozone Big Bear Lake AQI: 64 Ozone Central Mojave Desert AQI: 74 Ozone Coachella Valley/Low Desert AQI: 90 Ozone Hemet/Elsinore Area AQI: 64 Ozone Metropolitan Area AQI: 53 PM2.5 Northern Mojave Desert AQI: 71 Ozone Riverside Valley AQI: 74 Ozone San Bernardino Mountains AQI: 93 Ozone San Bernardino Valley AQI: 100 Ozone San Fernando/Santa Clarita Valleys AQI: 64 Ozone San Gabriel Mountains AQI: 58 Ozone San Gabriel Valley AQI: 64 Ozone Victor Valley AQI: 80 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Onshore flow is expected to continue Thursday, and night and morning low clouds for the coasts and valleys are expected to be less extensive than for Wednesday. Morning drizzle is possible. Temperatures are expected to be warmer Thursday than Wednesday. Inversion Base: 2274 FT | Breaking Temperature: 78 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 3147 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: 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 THURSDAY, JULY 02, 2026 IN THE SOUTH COAST AIR BASIN.