SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., FEB. 03, 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 51 38 0.5 30 16 54 64 2 NW Coastal LA 49 38 0.8 27 14 33 60 3 SW Coastal LA 49 38 1.0 29 19 46 69 4 S Coastal LA 51 40 1.4 31 20 49 71 5 Southeast LA Co 49 38 1.9 31 19 56 69 6 W San Fernando Vly 50 44 0.9 25 7 33 41 7 E San Fernando Vly 50 43 0.8 30 9 47 50 8 W San Gabriel Vly 53 44 0.8 29 8 46 44 9 E San Gabriel Vly 50 43 0.6 18 6 39 40 10 Pomona Walnut Vly 50 38 0.8 29 12 52 56 11 S San Gabriel Vly 46 36 1.2 30 15 56 62 12 S Central LA Co 55 40 1.9 30 22 48 75 13 Santa Clarita Vly 53 48 0.3 27 5 24 44 15 San Gabriel Mts 50 45 0.6 29 5 42 42 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 49 41 0.4 28 9 31 50 Orange County: South Coast Air Basin 16 N Orange Co 48 38 1.0 32 15 49 62 17 Central Orange Co 46 37 1.0 32 15 45 62 18 N Coastal Orange Co 42 35 1.2 29 19 46 69 19 Saddleback Vly 49 42 0.5 32 9 40 50 20 Central Coastal 41 36 0.7 28 18 35 68 21 Capistrano Vly 46 41 0.5 27 16 28 64 Riverside County: South Coast Air Basin 22 Norco/Corona 51 42 0.7 35 13 40 58 23 Metro Riverside Co 50 44 0.7 40 14 40 60 24 Perris Vly 48 42 0.6 33 8 33 44 25 Lake Elsinore 53 47 0.4 28 6 25 44 26 Temecula Vly 49 43 0.4 26 5 23 40 27 Anza Vly 50 46 0.3 23 4 22 43 28 Hemet/San Jacinto 49 45 0.6 26 4 30 42 29 Banning 51 47 0.5 22 2 31 44 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 51 46 0.3 31 13 22 58 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 46 41 0.3 19 8 17 44 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 54 47 0.7 23 9 42 50 33 SW San Bernardino Vly 49 40 0.9 34 13 49 58 34 C San Bernardino Vly 48 44 0.7 31 7 41 41 35 E San Bernardino Vly 52 46 0.6 36 5 36 43 36 W San Bernardino Mtns 50 47 0.6 26 5 39 44 37 C San Bernardino Mtns 46 43 0.7 30 4 35 40 38 Big Bear Lake 48 46 0.6 26 12 32 56 San Bernardino County: Mojave Desert Air Basin 39 Phelan 48 46 0.5 26 5 36 43 40 Hesperia 46 39 0.6 27 7 37 39 41 Trona 36 30 0.3 13 5 11 28 42 Victorville 45 39 0.5 26 10 37 53 43 Yucca Vly 47 45 0.4 22 7 27 42 44 Barstow 42 31 0.4 21 6 44 42 45 Twentynine Palms 42 39 0.3 22 7 25 39 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., FEB. 03, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 50 PM2.5 Banning Pass Area AQI: 44 Ozone Central Mojave Desert AQI: 42 Ozone Hemet/Elsinore Area AQI: 44 PM2.5 Northern Mojave Desert AQI: 42 NO2 San Bernardino Mountains AQI: 44 Ozone San Fernando/Santa Clarita Valleys AQI: 50 PM2.5 San Gabriel Mountains AQI: 42 Ozone Temecula/Anza Area AQI: 43 Ozone MODERATE in the following area(s): Big Bear Lake AQI: 56 PM2.5 Coachella Valley/Low Desert AQI: 58 PM2.5 Coastal Area AQI: 71 PM2.5 Inland Orange County AQI: 64 PM2.5 Metropolitan Area AQI: 75 PM2.5 Riverside Valley AQI: 60 PM2.5 San Bernardino Valley AQI: 58 PM2.5 San Gabriel Valley AQI: 62 PM2.5 Victor Valley AQI: 53 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ The weather will be warmer on Tuesday with periods of weak to locally moderate Santa Ana winds. Inversion Base: 486 FT | Breaking Temperature: 67 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2854 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 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, FEBRUARY 03, 2026 IN THE SOUTH COAST AIR BASIN.