SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., OCT. 23, 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 72 60 0.9 40 14 47 67 2 NW Coastal LA 55 54 0.8 37 18 35 68 3 SW Coastal LA 56 48 0.7 50 13 36 58 4 S Coastal LA 65 51 1.1 60 13 46 58 5 Southeast LA Co 71 58 1.6 43 17 51 66 6 W San Fernando Vly 75 68 0.9 36 10 38 93 7 E San Fernando Vly 74 65 0.9 41 11 42 84 8 W San Gabriel Vly 74 66 0.6 42 11 41 87 9 E San Gabriel Vly 85 70 0.7 29 12 47 100 10 Pomona Walnut Vly 82 65 0.8 44 18 56 84 11 S San Gabriel Vly 75 63 0.9 42 19 46 77 12 S Central LA Co 69 57 1.6 40 14 51 60 13 Santa Clarita Vly 76 68 0.4 41 7 27 93 15 San Gabriel Mts 74 66 0.6 46 7 41 87 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 69 65 0.5 49 10 34 84 Orange County: South Coast Air Basin 16 N Orange Co 74 60 0.7 46 18 35 68 17 Central Orange Co 58 49 0.8 44 14 39 60 18 N Coastal Orange Co 54 45 1.0 40 10 42 53 19 Saddleback Vly 72 64 0.4 46 20 40 80 20 Central Coastal 59 52 0.6 36 15 35 62 21 Capistrano Vly 65 57 0.4 30 13 32 58 Riverside County: South Coast Air Basin 22 Norco/Corona 84 71 0.8 54 21 44 101 23 Metro Riverside Co 91 72 0.8 57 22 47 105 24 Perris Vly 82 70 0.7 46 12 45 100 25 Lake Elsinore 82 72 0.4 27 5 32 105 26 Temecula Vly 66 60 0.4 34 7 28 67 27 Anza Vly 72 68 0.3 38 6 25 93 28 Hemet/San Jacinto 74 67 0.6 38 8 44 90 29 Banning 69 66 0.6 34 6 44 87 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 65 58 0.2 45 15 21 62 Riverside County: Mojave Desert Air Basin 31 E Riverside Co 48 45 0.2 33 5 18 42 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 87 71 0.7 44 15 39 101 33 SW San Bernardino Vly 84 67 0.8 54 20 50 90 34 C San Bernardino Vly 92 72 0.8 46 10 48 105 35 E San Bernardino Vly 78 67 0.8 50 8 46 90 36 W San Bernardino Mtns 85 71 0.7 41 8 42 101 37 C San Bernardino Mtns 70 62 0.8 43 5 45 74 38 Big Bear Lake 59 56 0.7 39 5 45 54 San Bernardino County: Mojave Desert Air Basin 39 Phelan 65 61 0.6 37 5 38 71 40 Hesperia 64 61 0.7 29 6 42 71 41 Trona 53 48 0.3 19 5 13 44 42 Victorville 62 59 0.6 39 9 38 64 43 Yucca Vly 56 53 0.3 37 6 27 49 44 Barstow 58 52 0.5 47 7 42 48 45 Twentynine Palms 46 48 0.3 36 5 25 44 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- AIR QUALITY FORECAST -------------------------------------------------------------------------------- ON WED., OCT. 23, 2024, THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Central Mojave Desert AQI: 49 Ozone Northern Mojave Desert AQI: 48 Ozone MODERATE in the following area(s): Antelope Valley AQI: 84 Ozone Banning Pass Area AQI: 87 Ozone Big Bear Lake AQI: 54 Ozone Coachella Valley/Low Desert AQI: 62 PM2.5 Coastal Area AQI: 68 PM2.5 Inland Orange County AQI: 80 Ozone Metropolitan Area AQI: 68 PM2.5 San Fernando/Santa Clarita Valleys AQI: 93 Ozone San Gabriel Mountains AQI: 87 Ozone San Gabriel Valley AQI: 100 Ozone Temecula/Anza Area AQI: 93 Ozone Victor Valley AQI: 71 Ozone UNHEALTHY FOR SENSITIVE GROUPS in the following area(s): Hemet/Elsinore Area AQI: 105 Ozone Riverside Valley AQI: 105 Ozone San Bernardino Mountains AQI: 101 Ozone San Bernardino Valley AQI: 105 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Wednesday will be the warmest day of the week and offshore flow combine to bring 1 to 5 degrees of warming to the area. Night and morning coastal low clouds are expected. Inversion Base: 486 FT | Breaking Temperature: 78 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 1336 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: 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 WEDNESDAY, OCTOBER 23, 2024 IN THE SOUTH COAST AIR BASIN.