SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: FRI., DEC. 06, 2024 -------------------------------------------------------------------------------- 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 31 24 0.6 34 24 52 79 2 NW Coastal LA 42 31 0.9 32 20 41 71 3 SW Coastal LA 40 29 1.1 37 24 50 79 4 S Coastal LA 35 26 1.8 50 24 60 79 5 Southeast LA Co 30 23 2.5 51 23 61 77 6 W San Fernando Vly 41 35 1.3 30 15 42 62 7 E San Fernando Vly 40 33 1.1 34 15 55 62 8 W San Gabriel Vly 36 30 1.1 35 15 58 62 9 E San Gabriel Vly 47 37 0.7 25 15 48 62 10 Pomona Walnut Vly 44 30 1.1 56 17 56 66 11 S San Gabriel Vly 30 22 1.2 48 21 61 73 12 S Central LA Co 36 25 2.5 42 22 54 75 13 Santa Clarita Vly 43 38 0.4 32 8 30 44 15 San Gabriel Mts 42 37 0.8 40 11 52 55 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 39 32 0.6 33 15 31 62 Orange County: South Coast Air Basin 16 N Orange Co 31 23 1.2 61 23 55 77 17 Central Orange Co 31 23 1.6 56 24 58 79 18 N Coastal Orange Co 25 20 1.6 48 24 57 79 19 Saddleback Vly 43 33 0.7 61 22 52 75 20 Central Coastal 32 23 0.9 41 23 45 77 21 Capistrano Vly 35 26 0.6 31 21 37 73 Riverside County: South Coast Air Basin 22 Norco/Corona 46 33 1.2 76 27 51 84 23 Metro Riverside Co 50 35 1.3 85 30 49 90 24 Perris Vly 42 35 0.9 55 19 42 69 25 Lake Elsinore 45 38 0.5 26 20 34 71 26 Temecula Vly 45 41 0.5 24 16 30 64 27 Anza Vly 45 42 0.4 24 10 28 53 28 Hemet/San Jacinto 45 41 0.8 45 11 40 55 29 Banning 46 43 0.8 38 5 41 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 40 0.3 30 12 27 56 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 39 34 0.3 23 5 21 31 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 46 36 0.8 47 12 41 56 33 SW San Bernardino Vly 41 29 1.2 76 23 55 77 34 C San Bernardino Vly 43 35 1.1 58 17 48 66 35 E San Bernardino Vly 45 38 1.0 59 10 44 53 36 W San Bernardino Mtns 45 38 0.9 47 10 42 53 37 C San Bernardino Mtns 43 38 1.0 54 7 40 50 38 Big Bear Lake 47 43 0.9 47 12 40 56 San Bernardino County: Mojave Desert Air Basin 39 Phelan 45 43 0.8 36 10 37 53 40 Hesperia 40 33 0.9 36 10 39 53 41 Trona 22 16 0.4 21 5 14 28 42 Victorville 39 32 0.8 36 15 37 62 43 Yucca Vly 44 41 0.5 29 7 30 39 44 Barstow 35 24 0.6 37 9 41 50 45 Twentynine Palms 41 36 0.4 28 6 27 33 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON FRI., DEC. 06, 2024, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Banning Pass Area AQI: 40 Ozone Central Mojave Desert AQI: 39 PM2.5 Northern Mojave Desert AQI: 50 PM2.5 MODERATE in the following area(s): Antelope Valley AQI: 62 PM2.5 Big Bear Lake AQI: 56 PM2.5 Coachella Valley/Low Desert AQI: 56 PM2.5 Coastal Area AQI: 79 PM2.5 Hemet/Elsinore Area AQI: 71 PM2.5 Inland Orange County AQI: 79 PM2.5 Metropolitan Area AQI: 79 PM2.5 Riverside Valley AQI: 90 PM2.5 San Bernardino Mountains AQI: 53 PM2.5 San Bernardino Valley AQI: 77 PM2.5 San Fernando/Santa Clarita Valleys AQI: 62 PM2.5 San Gabriel Mountains AQI: 55 PM2.5 San Gabriel Valley AQI: 73 PM2.5 Temecula/Anza Area AQI: 64 PM2.5 Victor Valley AQI: 62 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Friday will be between 3-8 degrees warmer than Thursday, as there will be less fog coverage. Even though winds will remain mostly light, afternoon winds in some foothills communities and valleys will gust up to 20 mph. Yet this is unlikely to scrub out all the accumulated pollution. Inversion Base: 486 FT | Breaking Temperature: 69 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2146 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 FRIDAY, DECEMBER 06, 2024 IN THE SOUTH COAST AIR BASIN.