SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: MON., FEB. 02, 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 52 43 0.7 41 15 39 62 2 NW Coastal LA 47 41 0.7 36 15 37 62 3 SW Coastal LA 42 37 0.7 38 10 30 53 4 S Coastal LA 52 45 0.8 37 10 42 53 5 Southeast LA Co 51 43 1.4 40 17 43 66 6 W San Fernando Vly 53 45 0.9 31 14 38 60 7 E San Fernando Vly 54 45 0.8 39 13 42 58 8 W San Gabriel Vly 57 47 0.7 39 14 44 60 9 E San Gabriel Vly 58 48 0.7 31 14 36 60 10 Pomona Walnut Vly 58 46 0.7 42 22 42 75 11 S San Gabriel Vly 54 44 1.0 40 21 43 73 12 S Central LA Co 49 41 1.4 39 13 36 58 13 Santa Clarita Vly 58 46 0.4 31 9 25 50 15 San Gabriel Mts 53 45 0.7 37 8 40 44 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 47 40 0.6 25 8 30 44 Orange County: South Coast Air Basin 16 N Orange Co 51 42 0.8 50 20 38 71 17 Central Orange Co 51 44 0.9 36 16 38 64 18 N Coastal Orange Co 49 46 0.7 35 6 40 43 19 Saddleback Vly 54 48 0.4 50 8 36 46 20 Central Coastal 50 46 0.5 34 8 32 44 21 Capistrano Vly 51 47 0.5 36 7 28 44 Riverside County: South Coast Air Basin 22 Norco/Corona 59 51 0.8 66 25 38 81 23 Metro Riverside Co 55 47 0.8 74 26 40 82 24 Perris Vly 54 48 0.8 50 17 42 66 25 Lake Elsinore 59 51 0.5 37 9 27 50 26 Temecula Vly 50 45 0.4 33 6 25 42 27 Anza Vly 52 48 0.4 28 7 24 44 28 Hemet/San Jacinto 55 49 0.7 31 10 40 53 29 Banning 53 47 0.7 24 8 35 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 45 0.3 31 19 24 69 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 41 38 0.3 20 10 19 53 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 64 53 0.8 23 16 40 64 33 SW San Bernardino Vly 56 46 0.8 64 25 45 81 34 C San Bernardino Vly 47 40 1.0 27 15 51 62 35 E San Bernardino Vly 55 48 0.9 48 15 44 62 36 W San Bernardino Mtns 52 46 0.8 28 8 43 44 37 C San Bernardino Mtns 47 42 0.9 28 7 45 42 38 Big Bear Lake 50 47 0.9 25 15 42 62 San Bernardino County: Mojave Desert Air Basin 39 Phelan 46 45 0.7 27 6 37 42 40 Hesperia 44 37 0.8 27 8 42 44 41 Trona 34 26 0.4 21 6 14 33 42 Victorville 44 36 0.7 26 10 36 53 43 Yucca Vly 49 46 0.5 23 9 28 50 44 Barstow 45 34 0.6 23 6 43 41 45 Twentynine Palms 43 38 0.4 23 9 26 50 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON MON., FEB. 02, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 44 PM2.5 Banning Pass Area AQI: 44 PM2.5 Central Mojave Desert AQI: 50 PM2.5 Northern Mojave Desert AQI: 41 NO2 San Bernardino Mountains AQI: 44 PM2.5 San Gabriel Mountains AQI: 44 PM2.5 Temecula/Anza Area AQI: 44 Ozone MODERATE in the following area(s): Big Bear Lake AQI: 62 PM2.5 Coachella Valley/Low Desert AQI: 69 PM2.5 Coastal Area AQI: 62 PM2.5 Hemet/Elsinore Area AQI: 66 PM2.5 Inland Orange County AQI: 64 PM2.5 Metropolitan Area AQI: 71 PM2.5 Riverside Valley AQI: 82 PM2.5 San Bernardino Valley AQI: 81 PM2.5 San Fernando/Santa Clarita Valleys AQI: 60 PM2.5 San Gabriel Valley AQI: 75 PM2.5 Victor Valley AQI: 53 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ The weather will be slightly cooler on Monday. Winds will be light. Inversion Base: 486 FT | Breaking Temperature: 65 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2132 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: Prohibited in South Coast Air Basin Below 3000 ft 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 MONDAY, FEBRUARY 02, 2026 IN THE SOUTH COAST AIR BASIN.