SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: THU., JAN. 29, 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 44 35 0.6 28 13 51 58 2 NW Coastal LA 39 34 0.4 24 9 35 50 3 SW Coastal LA 42 35 0.6 26 16 43 64 4 S Coastal LA 41 35 1.3 26 17 51 66 5 Southeast LA Co 43 34 2.1 27 15 49 62 6 W San Fernando Vly 43 39 0.5 21 3 33 36 7 E San Fernando Vly 43 36 0.7 27 8 45 44 8 W San Gabriel Vly 49 40 0.7 26 8 44 44 9 E San Gabriel Vly 47 39 0.4 10 5 29 36 10 Pomona Walnut Vly 45 35 0.8 23 8 47 44 11 S San Gabriel Vly 43 33 0.9 27 12 42 56 12 S Central LA Co 43 35 2.1 27 20 46 71 13 Santa Clarita Vly 44 42 0.2 21 5 16 39 15 San Gabriel Mts 44 40 0.5 25 5 38 37 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 45 37 0.4 16 7 28 39 Orange County: South Coast Air Basin 16 N Orange Co 45 36 0.9 26 11 41 55 17 Central Orange Co 40 33 1.1 26 11 45 55 18 N Coastal Orange Co 39 31 1.2 24 16 47 64 19 Saddleback Vly 46 41 0.4 23 7 39 39 20 Central Coastal 42 36 0.6 21 14 35 60 21 Capistrano Vly 45 39 0.4 18 12 28 56 Riverside County: South Coast Air Basin 22 Norco/Corona 45 40 0.7 23 8 38 44 23 Metro Riverside Co 45 41 0.6 28 9 36 50 24 Perris Vly 45 39 0.5 23 5 32 36 25 Lake Elsinore 45 40 0.3 17 3 25 37 26 Temecula Vly 43 38 0.3 19 4 23 35 27 Anza Vly 45 42 0.3 23 3 20 39 28 Hemet/San Jacinto 45 41 0.5 18 3 30 38 29 Banning 46 43 0.5 16 3 32 40 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 46 42 0.3 35 9 18 50 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 41 37 0.3 20 6 17 34 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 51 43 0.7 25 7 35 40 33 SW San Bernardino Vly 45 38 0.8 24 9 44 50 34 C San Bernardino Vly 44 40 0.6 22 4 37 37 35 E San Bernardino Vly 45 40 0.6 25 4 34 37 36 W San Bernardino Mtns 47 42 0.5 23 4 34 39 37 C San Bernardino Mtns 43 41 0.6 23 2 31 38 38 Big Bear Lake 46 44 0.5 19 11 30 55 San Bernardino County: Mojave Desert Air Basin 39 Phelan 45 43 0.5 21 5 31 40 40 Hesperia 43 36 0.5 23 6 32 33 41 Trona 36 28 0.3 13 3 14 26 42 Victorville 45 38 0.5 22 8 32 44 43 Yucca Vly 46 44 0.4 23 6 25 41 44 Barstow 44 31 0.4 19 5 41 39 45 Twentynine Palms 42 38 0.3 23 6 23 35 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON THU., JAN. 29, 2026, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Antelope Valley AQI: 39 PM2.5 Banning Pass Area AQI: 40 Ozone Central Mojave Desert AQI: 41 Ozone Coachella Valley/Low Desert AQI: 50 PM2.5 Hemet/Elsinore Area AQI: 38 Ozone Northern Mojave Desert AQI: 39 NO2 Riverside Valley AQI: 50 PM2.5 San Bernardino Mountains AQI: 39 Ozone San Bernardino Valley AQI: 50 PM2.5 San Fernando/Santa Clarita Valleys AQI: 44 PM2.5 San Gabriel Mountains AQI: 37 Ozone Temecula/Anza Area AQI: 39 Ozone Victor Valley AQI: 44 PM2.5 MODERATE in the following area(s): Big Bear Lake AQI: 55 PM2.5 Coastal Area AQI: 66 PM2.5 Inland Orange County AQI: 56 PM2.5 Metropolitan Area AQI: 71 PM2.5 San Gabriel Valley AQI: 56 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mostly sunny skies and warm temperatures are expected. Inversion Base: 486 FT | Breaking Temperature: 71 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 3111 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 THURSDAY, JANUARY 29, 2026 IN THE SOUTH COAST AIR BASIN.