SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., JUL. 14, 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 56 48 0.7 24 11 22 55 2 NW Coastal LA 43 38 0.3 24 8 15 44 3 SW Coastal LA 35 31 0.1 25 7 10 39 4 S Coastal LA 43 37 0.2 27 7 23 39 5 Southeast LA Co 49 41 0.5 29 10 23 53 6 W San Fernando Vly 65 52 0.4 23 8 17 48 7 E San Fernando Vly 68 57 0.5 25 11 20 58 8 W San Gabriel Vly 67 58 0.3 27 13 18 61 9 E San Gabriel Vly 84 75 0.4 31 12 23 115 10 Pomona Walnut Vly 74 70 0.4 40 12 24 100 11 S San Gabriel Vly 58 49 0.3 30 12 23 56 12 S Central LA Co 44 36 0.2 26 9 15 50 13 Santa Clarita Vly 74 59 0.2 24 9 20 64 15 San Gabriel Mts 72 62 0.3 38 10 28 74 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 62 60 0.3 24 12 26 67 Orange County: South Coast Air Basin 16 N Orange Co 54 46 0.1 36 10 16 53 17 Central Orange Co 45 40 0.2 29 9 14 50 18 N Coastal Orange Co 42 36 0.2 27 5 20 33 19 Saddleback Vly 60 52 0.2 35 5 16 48 20 Central Coastal 48 42 0.2 26 5 16 39 21 Capistrano Vly 50 43 0.3 25 5 16 40 Riverside County: South Coast Air Basin 22 Norco/Corona 65 60 0.3 44 10 17 67 23 Metro Riverside Co 77 74 0.4 47 14 15 112 24 Perris Vly 72 67 0.4 32 13 25 90 25 Lake Elsinore 69 62 0.3 22 9 16 74 26 Temecula Vly 55 51 0.2 29 9 14 50 27 Anza Vly 65 59 0.2 31 8 11 64 28 Hemet/San Jacinto 72 66 0.3 30 12 27 87 29 Banning 79 73 0.3 29 10 23 108 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 86 70 0.2 42 13 7 100 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 45 44 0.2 31 6 9 41 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 76 69 0.4 44 13 29 97 33 SW San Bernardino Vly 69 64 0.4 45 12 28 80 34 C San Bernardino Vly 92 81 0.4 33 13 32 136 35 E San Bernardino Vly 91 85 0.4 33 13 29 150 36 W San Bernardino Mtns 83 75 0.3 38 10 36 115 37 C San Bernardino Mtns 100 87 0.4 33 7 40 154 38 Big Bear Lake 80 70 0.3 31 6 29 100 San Bernardino County: Mojave Desert Air Basin 39 Phelan 73 66 0.3 29 6 43 87 40 Hesperia 86 71 0.3 26 8 45 101 41 Trona 52 50 0.2 20 5 10 46 42 Victorville 86 73 0.3 27 9 47 108 43 Yucca Vly 73 59 0.2 34 7 18 64 44 Barstow 67 58 0.2 26 9 41 61 45 Twentynine Palms 73 60 0.2 33 8 16 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., JUL. 14, 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 Inland Orange County AQI: 50 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 67 Ozone Big Bear Lake AQI: 100 Ozone Central Mojave Desert AQI: 67 Ozone Coachella Valley/Low Desert AQI: 100 Ozone Hemet/Elsinore Area AQI: 90 Ozone Metropolitan Area AQI: 55 PM2.5 Northern Mojave Desert AQI: 61 Ozone San Fernando/Santa Clarita Valleys AQI: 64 Ozone San Gabriel Mountains AQI: 74 Ozone Temecula/Anza Area AQI: 64 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 108 Ozone Riverside Valley AQI: 112 Ozone San Bernardino Valley AQI: 150 Ozone San Gabriel Valley AQI: 115 Ozone Victor Valley AQI: 108 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 154 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ There is a slight chance of precipitation in the mountains and lower level. Building high pressure will bring above average temperatures for midweek. Inversion Base: 1608 FT | Breaking Temperature: 84 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2194 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: 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 Below 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 14, 2026 IN THE SOUTH COAST AIR BASIN.