SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., FEB. 10, 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 42 40 0.8 29 16 37 64 2 NW Coastal LA 43 40 0.7 27 10 30 53 3 SW Coastal LA 41 39 0.6 28 11 26 55 4 S Coastal LA 45 43 0.6 27 12 35 56 5 Southeast LA Co 42 40 0.8 28 14 36 60 6 W San Fernando Vly 44 43 0.6 24 9 31 50 7 E San Fernando Vly 46 44 0.7 28 11 33 55 8 W San Gabriel Vly 44 42 0.4 28 12 28 56 9 E San Gabriel Vly 46 43 0.6 24 9 30 50 10 Pomona Walnut Vly 44 39 0.6 29 13 35 58 11 S San Gabriel Vly 43 41 0.6 28 14 36 60 12 S Central LA Co 43 40 0.8 28 14 28 60 13 Santa Clarita Vly 45 44 0.4 24 8 25 44 15 San Gabriel Mts 44 42 0.6 27 9 31 50 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 43 42 0.6 20 9 19 50 Orange County: South Coast Air Basin 16 N Orange Co 44 42 0.5 31 14 27 60 17 Central Orange Co 39 36 0.6 25 14 29 60 18 N Coastal Orange Co 45 43 0.6 25 9 33 50 19 Saddleback Vly 46 44 0.3 31 7 31 41 20 Central Coastal 45 43 0.4 23 7 29 40 21 Capistrano Vly 44 43 0.4 21 6 28 40 Riverside County: South Coast Air Basin 22 Norco/Corona 45 41 0.7 39 13 32 58 23 Metro Riverside Co 45 41 0.7 43 16 36 64 24 Perris Vly 44 41 0.8 33 9 34 50 25 Lake Elsinore 47 45 0.4 21 6 28 42 26 Temecula Vly 42 40 0.4 23 6 26 37 27 Anza Vly 47 44 0.3 26 6 24 41 28 Hemet/San Jacinto 47 44 0.7 26 8 31 44 29 Banning 51 47 0.7 25 6 27 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 48 0.3 30 7 23 44 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 48 41 0.3 23 6 18 38 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 47 42 0.5 27 12 35 56 33 SW San Bernardino Vly 44 39 0.7 39 16 40 64 34 C San Bernardino Vly 48 43 0.9 30 10 45 53 35 E San Bernardino Vly 48 44 0.8 37 7 35 41 36 W San Bernardino Mtns 46 42 0.8 31 10 37 53 37 C San Bernardino Mtns 51 48 0.9 33 6 34 44 38 Big Bear Lake 48 45 0.8 28 6 31 42 San Bernardino County: Mojave Desert Air Basin 39 Phelan 45 43 0.7 32 6 29 40 40 Hesperia 45 44 0.7 35 7 32 41 41 Trona 36 38 0.4 22 7 11 39 42 Victorville 48 46 0.7 34 8 28 44 43 Yucca Vly 48 45 0.5 24 6 25 42 44 Barstow 46 40 0.6 24 6 34 37 45 Twentynine Palms 45 43 0.4 24 6 23 40 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., FEB. 10, 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 Big Bear Lake AQI: 42 Ozone Central Mojave Desert AQI: 42 Ozone Coachella Valley/Low Desert AQI: 44 Ozone Hemet/Elsinore Area AQI: 50 PM2.5 Northern Mojave Desert AQI: 39 PM2.5 San Gabriel Mountains AQI: 50 PM2.5 Temecula/Anza Area AQI: 41 Ozone Victor Valley AQI: 44 PM2.5 MODERATE in the following area(s): Coastal Area AQI: 56 PM2.5 Inland Orange County AQI: 60 PM2.5 Metropolitan Area AQI: 64 PM2.5 Riverside Valley AQI: 64 PM2.5 San Bernardino Mountains AQI: 53 PM2.5 San Bernardino Valley AQI: 64 PM2.5 San Fernando/Santa Clarita Valleys AQI: 55 PM2.5 San Gabriel Valley AQI: 60 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Stronger onshore flow on Tuesday will drop temperatures 5-12 degrees below Monday and closer to seasonal norms. Expect a partly to mostly cloudy day. Winds will also ramp up, with mountain slopes experiencing 25 mph gusts on Tuesday evening. Inversion Base: 1538 FT | Breaking Temperature: 68 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 2015 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 10, 2026 IN THE SOUTH COAST AIR BASIN.