SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., JUN. 29, 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 55 51 0.6 25 9 14 50 2 NW Coastal LA 47 45 0.3 24 7 13 42 3 SW Coastal LA 42 40 0.2 24 8 14 44 4 S Coastal LA 48 44 0.2 23 8 16 44 5 Southeast LA Co 51 47 0.4 25 8 14 44 6 W San Fernando Vly 56 52 0.2 25 8 10 48 7 E San Fernando Vly 60 56 0.4 26 9 13 54 8 W San Gabriel Vly 57 52 0.3 27 10 10 53 9 E San Gabriel Vly 64 58 0.3 27 8 13 61 10 Pomona Walnut Vly 56 52 0.4 39 8 10 48 11 S San Gabriel Vly 56 51 0.3 26 8 14 47 12 S Central LA Co 49 45 0.3 24 8 11 44 13 Santa Clarita Vly 65 58 0.2 27 10 12 61 15 San Gabriel Mts 62 57 0.3 38 10 19 58 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 68 62 0.2 32 10 22 74 Orange County: South Coast Air Basin 16 N Orange Co 52 47 0.2 28 8 10 44 17 Central Orange Co 46 42 0.2 23 8 7 44 18 N Coastal Orange Co 43 41 0.2 22 6 13 38 19 Saddleback Vly 43 42 0.2 27 4 8 39 20 Central Coastal 41 40 0.2 21 5 8 37 21 Capistrano Vly 39 38 0.2 27 5 6 35 Riverside County: South Coast Air Basin 22 Norco/Corona 53 51 0.3 33 8 9 47 23 Metro Riverside Co 62 57 0.4 33 10 11 58 24 Perris Vly 56 53 0.3 27 8 15 49 25 Lake Elsinore 49 46 0.2 18 7 5 43 26 Temecula Vly 41 39 0.2 36 7 5 39 27 Anza Vly 53 50 0.2 42 6 6 46 28 Hemet/San Jacinto 53 50 0.3 32 7 15 46 29 Banning 60 57 0.3 28 7 13 58 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 68 66 0.2 54 9 7 87 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 60 57 0.2 33 8 6 58 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 61 56 0.3 45 10 14 54 33 SW San Bernardino Vly 56 52 0.3 40 9 17 50 34 C San Bernardino Vly 65 61 0.3 28 9 20 71 35 E San Bernardino Vly 67 62 0.3 28 9 17 74 36 W San Bernardino Mtns 66 61 0.3 38 9 20 71 37 C San Bernardino Mtns 74 67 0.3 32 7 22 90 38 Big Bear Lake 69 64 0.3 30 5 17 80 San Bernardino County: Mojave Desert Air Basin 39 Phelan 67 64 0.3 32 7 24 80 40 Hesperia 64 59 0.3 29 8 24 64 41 Trona 58 56 0.2 33 6 17 54 42 Victorville 69 64 0.3 31 9 25 80 43 Yucca Vly 65 62 0.2 31 6 13 74 44 Barstow 65 62 0.2 29 8 27 74 45 Twentynine Palms 64 61 0.2 31 6 11 71 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., JUN. 29, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Coastal Area AQI: 44 PM2.5 Hemet/Elsinore Area AQI: 49 Ozone Inland Orange County AQI: 44 PM2.5 Metropolitan Area AQI: 50 PM2.5 Temecula/Anza Area AQI: 46 Ozone MODERATE in the following area(s): Antelope Valley AQI: 74 Ozone Banning Pass Area AQI: 58 Ozone Big Bear Lake AQI: 80 Ozone Central Mojave Desert AQI: 74 Ozone Coachella Valley/Low Desert AQI: 87 Ozone Northern Mojave Desert AQI: 74 Ozone Riverside Valley AQI: 58 Ozone San Bernardino Mountains AQI: 90 Ozone San Bernardino Valley AQI: 74 Ozone San Fernando/Santa Clarita Valleys AQI: 61 Ozone San Gabriel Mountains AQI: 58 Ozone San Gabriel Valley AQI: 61 Ozone Victor Valley AQI: 80 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Low temperatures and a deep marine are forecast to continue. High wind gusts will persist in desert valleys. Inversion Base: 2941 FT | Breaking Temperature: 77 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 3426 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 MONDAY, JUNE 29, 2026 IN THE SOUTH COAST AIR BASIN.