SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., JUL. 01, 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 50 44 0.5 26 10 17 53 2 NW Coastal LA 39 37 0.2 25 7 10 39 3 SW Coastal LA 35 33 0.2 25 7 8 39 4 S Coastal LA 42 38 0.2 27 7 19 39 5 Southeast LA Co 47 43 0.4 28 9 16 50 6 W San Fernando Vly 62 55 0.2 25 8 7 51 7 E San Fernando Vly 57 50 0.4 27 10 13 53 8 W San Gabriel Vly 57 51 0.3 27 11 11 55 9 E San Gabriel Vly 67 56 0.3 27 11 19 55 10 Pomona Walnut Vly 71 56 0.3 39 10 16 54 11 S San Gabriel Vly 52 47 0.3 29 10 13 53 12 S Central LA Co 43 39 0.2 26 8 13 44 13 Santa Clarita Vly 64 56 0.2 26 10 11 54 15 San Gabriel Mts 63 56 0.3 38 11 15 55 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 70 64 0.2 29 11 9 80 Orange County: South Coast Air Basin 16 N Orange Co 52 47 0.1 34 8 10 44 17 Central Orange Co 45 41 0.2 28 8 10 44 18 N Coastal Orange Co 42 37 0.2 27 5 16 34 19 Saddleback Vly 44 41 0.1 33 5 10 38 20 Central Coastal 39 37 0.2 24 5 9 34 21 Capistrano Vly 38 36 0.2 25 5 6 33 Riverside County: South Coast Air Basin 22 Norco/Corona 62 55 0.3 41 9 11 51 23 Metro Riverside Co 71 60 0.4 43 12 10 67 24 Perris Vly 66 58 0.3 32 9 13 61 25 Lake Elsinore 50 46 0.2 18 8 4 44 26 Temecula Vly 42 40 0.2 33 7 5 39 27 Anza Vly 50 47 0.2 39 7 6 44 28 Hemet/San Jacinto 57 53 0.3 31 8 14 49 29 Banning 70 61 0.2 31 8 12 71 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 70 67 0.2 49 11 7 90 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 59 57 0.2 32 8 6 58 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 72 59 0.3 45 12 14 64 33 SW San Bernardino Vly 67 56 0.3 44 11 17 55 34 C San Bernardino Vly 73 63 0.3 35 11 20 77 35 E San Bernardino Vly 74 64 0.3 34 10 15 80 36 W San Bernardino Mtns 75 63 0.3 39 12 17 77 37 C San Bernardino Mtns 72 64 0.3 34 7 17 80 38 Big Bear Lake 65 61 0.3 32 5 15 71 San Bernardino County: Mojave Desert Air Basin 39 Phelan 73 67 0.2 30 6 15 90 40 Hesperia 67 61 0.3 28 9 16 71 41 Trona 57 56 0.2 28 6 21 54 42 Victorville 73 66 0.2 29 9 15 87 43 Yucca Vly 65 62 0.2 33 7 11 74 44 Barstow 69 63 0.2 30 8 21 77 45 Twentynine Palms 64 62 0.2 32 8 10 74 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., JUL. 01, 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: 44 PM2.5 Temecula/Anza Area AQI: 44 Ozone MODERATE in the following area(s): Antelope Valley AQI: 80 Ozone Banning Pass Area AQI: 71 Ozone Big Bear Lake AQI: 71 Ozone Central Mojave Desert AQI: 74 Ozone Coachella Valley/Low Desert AQI: 90 Ozone Hemet/Elsinore Area AQI: 61 Ozone Metropolitan Area AQI: 53 PM2.5 Northern Mojave Desert AQI: 77 Ozone Riverside Valley AQI: 67 Ozone San Bernardino Mountains AQI: 80 Ozone San Bernardino Valley AQI: 80 Ozone San Fernando/Santa Clarita Valleys AQI: 54 Ozone San Gabriel Mountains AQI: 55 PM2.5 San Gabriel Valley AQI: 55 PM2.5 Victor Valley AQI: 90 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Temperatures are expected to remain below average for this time of year on Wednesday, but it is expected to be warmer Wednesday compared to Tuesday. Night and morning coastal low clouds may reach into the western valleys. Light drizzle is possible Wednesday morning. Inversion Base: 2972 FT | Breaking Temperature: 77 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 3167 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 WEDNESDAY, JULY 01, 2026 IN THE SOUTH COAST AIR BASIN.