SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., JUL. 01, 2025 -------------------------------------------------------------------------------- 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 59 51 0.6 24 9 25 50 2 NW Coastal LA 47 40 0.3 26 8 15 44 3 SW Coastal LA 44 37 0.1 24 8 11 44 4 S Coastal LA 49 41 0.1 24 9 23 50 5 Southeast LA Co 57 48 0.4 25 11 27 55 6 W San Fernando Vly 61 55 0.4 27 7 17 51 7 E San Fernando Vly 64 56 0.4 27 8 22 54 8 W San Gabriel Vly 73 59 0.3 31 8 19 64 9 E San Gabriel Vly 88 75 0.4 35 10 22 115 10 Pomona Walnut Vly 81 70 0.4 37 11 29 100 11 S San Gabriel Vly 65 55 0.4 31 11 27 55 12 S Central LA Co 55 45 0.2 24 10 15 53 13 Santa Clarita Vly 87 75 0.3 30 6 20 115 15 San Gabriel Mts 75 66 0.4 35 6 25 87 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 71 68 0.3 38 2 24 93 Orange County: South Coast Air Basin 16 N Orange Co 57 51 0.2 38 11 18 55 17 Central Orange Co 47 43 0.4 22 11 13 55 18 N Coastal Orange Co 50 44 0.2 25 8 20 44 19 Saddleback Vly 61 55 0.2 38 9 19 51 20 Central Coastal 53 47 0.2 28 8 19 44 21 Capistrano Vly 50 46 0.3 30 7 20 43 Riverside County: South Coast Air Basin 22 Norco/Corona 68 64 0.4 54 11 20 80 23 Metro Riverside Co 80 75 0.4 61 15 21 115 24 Perris Vly 73 69 0.4 44 15 29 97 25 Lake Elsinore 72 66 0.3 30 9 21 87 26 Temecula Vly 58 53 0.3 31 10 19 53 27 Anza Vly 61 58 0.2 33 18 16 68 28 Hemet/San Jacinto 69 65 0.3 38 13 30 84 29 Banning 78 74 0.3 34 18 27 112 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 68 0.2 40 18 14 93 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 59 54 0.2 31 10 13 53 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 82 73 0.5 33 9 26 108 33 SW San Bernardino Vly 73 66 0.4 53 11 30 87 34 C San Bernardino Vly 87 79 0.4 45 12 36 129 35 E San Bernardino Vly 90 82 0.4 46 15 32 140 36 W San Bernardino Mtns 83 77 0.4 35 6 32 122 37 C San Bernardino Mtns 92 87 0.4 42 7 34 154 38 Big Bear Lake 74 68 0.3 39 9 31 93 San Bernardino County: Mojave Desert Air Basin 39 Phelan 69 66 0.3 33 3 31 87 40 Hesperia 75 71 0.3 27 7 33 101 41 Trona 66 62 0.2 27 4 19 74 42 Victorville 72 67 0.3 32 8 32 90 43 Yucca Vly 71 66 0.2 33 13 21 87 44 Barstow 69 65 0.3 33 8 38 84 45 Twentynine Palms 67 60 0.2 33 17 19 67 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., JUL. 01, 2025, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Coastal Area AQI: 50 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 93 Ozone Big Bear Lake AQI: 93 Ozone Central Mojave Desert AQI: 87 Ozone Coachella Valley/Low Desert AQI: 93 Ozone Hemet/Elsinore Area AQI: 97 Ozone Inland Orange County AQI: 55 PM2.5 Metropolitan Area AQI: 55 PM2.5 Northern Mojave Desert AQI: 84 Ozone San Gabriel Mountains AQI: 87 Ozone Temecula/Anza Area AQI: 68 PM2.5 UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Banning Pass Area AQI: 112 Ozone Riverside Valley AQI: 115 Ozone San Bernardino Valley AQI: 140 Ozone San Fernando/Santa Clarita Valleys AQI: 115 Ozone San Gabriel Valley AQI: 115 Ozone Victor Valley AQI: 101 Ozone UNHEALTHY in the following area(s): San Bernardino Mountains AQI: 154 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Sunny skies with slightly cooler temperatures are expected Tuesday, with areas of morning low clouds and fog in Orange County and Los Angeles County. Inversion Base: 1491 FT | Breaking Temperature: 81 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 1825 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 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 TUESDAY, JULY 01, 2025 IN THE SOUTH COAST AIR BASIN.