SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: TUE., MAR. 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 47 42 0.5 22 10 26 53 2 NW Coastal LA 46 42 0.5 20 6 15 39 3 SW Coastal LA 40 38 0.3 21 6 29 35 4 S Coastal LA 48 43 0.2 19 7 24 40 5 Southeast LA Co 47 42 1.0 20 10 26 53 6 W San Fernando Vly 49 46 0.7 19 7 15 43 7 E San Fernando Vly 49 44 0.6 22 8 20 44 8 W San Gabriel Vly 50 44 0.4 22 9 15 50 9 E San Gabriel Vly 51 46 0.4 20 8 20 44 10 Pomona Walnut Vly 51 44 0.4 23 10 25 53 11 S San Gabriel Vly 48 42 0.4 21 10 24 53 12 S Central LA Co 46 41 1.0 21 8 26 44 13 Santa Clarita Vly 56 50 0.3 19 8 14 46 15 San Gabriel Mts 52 47 0.4 23 7 22 44 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 48 46 0.3 19 8 20 44 Orange County: South Coast Air Basin 16 N Orange Co 48 43 0.3 17 9 18 50 17 Central Orange Co 46 41 0.5 14 9 23 50 18 N Coastal Orange Co 46 43 0.3 14 5 22 40 19 Saddleback Vly 48 46 0.2 17 4 20 43 20 Central Coastal 47 45 0.3 16 4 17 42 21 Capistrano Vly 46 45 0.3 22 4 14 42 Riverside County: South Coast Air Basin 22 Norco/Corona 50 46 0.5 21 10 19 53 23 Metro Riverside Co 49 46 0.7 22 14 21 60 24 Perris Vly 48 45 0.5 33 9 18 50 25 Lake Elsinore 49 47 0.3 17 6 12 44 26 Temecula Vly 46 43 0.2 32 6 11 40 27 Anza Vly 51 49 0.2 38 4 12 45 28 Hemet/San Jacinto 49 48 0.4 32 7 15 44 29 Banning 52 49 0.4 31 8 10 45 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 60 58 0.2 50 7 12 61 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 53 50 0.2 28 4 11 46 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 58 52 0.4 24 11 24 55 33 SW San Bernardino Vly 50 45 0.4 25 12 24 56 34 C San Bernardino Vly 50 45 0.5 40 10 24 53 35 E San Bernardino Vly 49 48 0.6 36 9 19 50 36 W San Bernardino Mtns 53 50 0.4 26 11 26 55 37 C San Bernardino Mtns 53 51 0.4 37 6 26 47 38 Big Bear Lake 55 52 0.4 34 6 20 48 San Bernardino County: Mojave Desert Air Basin 39 Phelan 56 53 0.4 22 4 29 49 40 Hesperia 50 47 0.4 22 8 30 44 41 Trona 53 50 0.2 32 4 14 46 42 Victorville 54 52 0.4 22 7 32 48 43 Yucca Vly 57 53 0.2 28 5 17 49 44 Barstow 54 51 0.3 24 5 31 47 45 Twentynine Palms 55 53 0.2 27 4 16 49 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON TUE., MAR. 10, 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: 45 Ozone Big Bear Lake AQI: 48 Ozone Central Mojave Desert AQI: 49 Ozone Coastal Area AQI: 42 Ozone Hemet/Elsinore Area AQI: 50 PM2.5 Inland Orange County AQI: 50 PM2.5 Northern Mojave Desert AQI: 47 Ozone San Fernando/Santa Clarita Valleys AQI: 46 Ozone San Gabriel Mountains AQI: 44 Ozone Temecula/Anza Area AQI: 45 Ozone Victor Valley AQI: 49 Ozone MODERATE in the following area(s): Coachella Valley/Low Desert AQI: 61 Ozone Metropolitan Area AQI: 53 PM2.5 Riverside Valley AQI: 60 PM2.5 San Bernardino Mountains AQI: 55 PM2.5 San Bernardino Valley AQI: 56 PM2.5 San Gabriel Valley AQI: 53 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Mostly cloudy, then becoming mostly sunny. Inversion Base: 3066 FT | Breaking Temperature: 66 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 3792 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, MARCH 10, 2026 IN THE SOUTH COAST AIR BASIN.