SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: SAT., JUN. 13, 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 45 0.5 26 11 20 55 2 NW Coastal LA 42 37 0.3 26 8 14 44 3 SW Coastal LA 31 27 0.2 26 7 7 39 4 S Coastal LA 40 34 0.2 26 8 12 44 5 Southeast LA Co 49 40 0.4 27 10 20 53 6 W San Fernando Vly 62 55 0.3 27 9 13 51 7 E San Fernando Vly 62 54 0.4 27 11 17 55 8 W San Gabriel Vly 68 55 0.3 30 12 15 56 9 E San Gabriel Vly 75 63 0.3 35 11 21 77 10 Pomona Walnut Vly 69 58 0.4 36 11 22 61 11 S San Gabriel Vly 58 47 0.4 31 11 20 55 12 S Central LA Co 42 35 0.2 26 9 11 50 13 Santa Clarita Vly 77 67 0.3 28 11 18 90 15 San Gabriel Mts 72 64 0.4 35 12 22 80 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 70 67 0.3 32 11 12 90 Orange County: South Coast Air Basin 16 N Orange Co 56 47 0.1 36 10 9 53 17 Central Orange Co 41 35 0.2 25 9 8 50 18 N Coastal Orange Co 41 35 0.2 26 6 11 33 19 Saddleback Vly 47 41 0.2 36 5 12 38 20 Central Coastal 44 39 0.2 28 5 12 36 21 Capistrano Vly 44 39 0.2 34 6 13 36 Riverside County: South Coast Air Basin 22 Norco/Corona 67 60 0.3 47 9 14 67 23 Metro Riverside Co 80 71 0.4 53 11 14 101 24 Perris Vly 62 59 0.3 39 10 22 64 25 Lake Elsinore 50 45 0.2 29 9 13 50 26 Temecula Vly 45 42 0.2 42 8 12 44 27 Anza Vly 51 49 0.2 47 7 12 45 28 Hemet/San Jacinto 57 55 0.3 37 8 22 51 29 Banning 67 63 0.3 35 7 20 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 69 64 0.2 57 14 11 80 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 51 48 0.2 36 9 9 50 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 71 63 0.4 32 12 25 77 33 SW San Bernardino Vly 71 62 0.4 47 11 25 74 34 C San Bernardino Vly 84 76 0.3 40 10 28 118 35 E San Bernardino Vly 78 71 0.3 39 9 25 101 36 W San Bernardino Mtns 77 70 0.3 34 11 24 100 37 C San Bernardino Mtns 74 69 0.3 39 6 25 97 38 Big Bear Lake 66 61 0.3 37 6 24 71 San Bernardino County: Mojave Desert Air Basin 39 Phelan 78 73 0.3 32 8 15 108 40 Hesperia 64 61 0.3 30 8 21 71 41 Trona 62 59 0.2 32 7 30 64 42 Victorville 70 67 0.3 30 10 12 90 43 Yucca Vly 66 62 0.2 30 9 15 74 44 Barstow 70 66 0.2 28 9 23 87 45 Twentynine Palms 59 54 0.2 31 10 13 53 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON SAT., JUN. 13, 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 Temecula/Anza Area AQI: 45 Ozone MODERATE in the following area(s): Antelope Valley AQI: 90 Ozone Banning Pass Area AQI: 77 Ozone Big Bear Lake AQI: 71 Ozone Central Mojave Desert AQI: 74 Ozone Coachella Valley/Low Desert AQI: 80 Ozone Hemet/Elsinore Area AQI: 64 Ozone Metropolitan Area AQI: 55 PM2.5 Northern Mojave Desert AQI: 87 Ozone San Bernardino Mountains AQI: 100 Ozone San Fernando/Santa Clarita Valleys AQI: 90 Ozone San Gabriel Mountains AQI: 80 Ozone San Gabriel Valley AQI: 77 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Riverside Valley AQI: 101 Ozone San Bernardino Valley AQI: 118 Ozone Victor Valley AQI: 108 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ The weak ridge over SoCal will cause morning clouds at the coast and adjacent areas, resulting in 1-2 degrees of cooling compared to Friday. Elsewhere temperatures will be 2-5 degrees warmer than Friday, with sunny skies. The Coachella Valley will have strong winds in the evening. Inversion Base: 1502 FT | Breaking Temperature: 84 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2050 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AIR QUALITY FORECAST RULE IMPLICATIONS ------------------------------------------------------------------------ Area 40 - South Coast Air Basin: MARGINAL-BURN Burning is prohibited in the following source/receptor areas: 23, 34, 35 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 SATURDAY, JUNE 13, 2026 IN THE SOUTH COAST AIR BASIN.