SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: FRI., JAN. 17, 2020 -------------------------------------------------------------------------------- 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 32 29 0.8 31 11 36 46 2 NW Coastal LA 39 33 0.5 25 11 27 46 3 SW Coastal LA 38 30 0.5 26 12 28 50 4 S Coastal LA 37 31 0.7 38 11 36 46 5 Southeast LA Co 33 25 1.4 27 10 40 42 6 W San Fernando Vly 43 38 0.8 14 9 31 38 7 E San Fernando Vly 41 37 0.7 30 8 32 34 8 W San Gabriel Vly 40 37 0.5 18 11 30 46 9-1 E San Gabriel Vly-1 37 33 0.3 22 13 25 53 9-2 E San Gabriel Vly-2 37 33 0.3 22 13 25 53 10 Pomona Walnut Vly 34 21 0.3 25 9 25 38 11 S San Gabriel Vly 45 34 0.7 28 10 32 42 12 S Central LA Co 32 19 0.7 28 12 35 50 13 Santa Clarita Vly 43 40 1.4 18 5 40 37 15 San Gabriel Mts 43 40 0.5 16 5 22 37 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 43 39 0.4 37 4 19 36 Orange County: South Coast Air Basin 16 N Orange Co 37 33 0.6 26 6 28 31 17-1 Central Orange Co-1 41 36 0.7 27 5 26 33 17-2 Central Orange Co-2 41 36 0.7 27 5 26 33 18 N Coastal Orange Co 42 38 0.3 26 9 35 38 19 Saddleback Vly 46 42 0.6 35 7 35 39 20 Central Coastal 48 44 0.4 36 8 30 41 21 Capistrano Vly 50 46 0.4 42 6 28 43 Riverside County: South Coast Air Basin 22 Norco/Corona 38 34 0.4 36 7 23 33 23 Metro Riverside Co 37 33 0.5 36 6 29 33 24 Perris Vly 43 39 0.7 36 4 29 36 25 Lake Elsinore 43 38 0.7 9 3 29 35 26 Temecula Vly 44 40 0.5 17 4 30 37 27 Anza Vly 45 42 0.4 10 3 21 39 28 Hemet/San Jacinto 45 42 0.3 25 3 20 39 29 Banning 48 44 0.3 26 4 19 41 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- SRA AREA 1-HR 8-HR 8-HR 24-HR 24-HR 24-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 30-1 N Coachella Vly 50 44 0.3 19 4 29 41 30-2 S Coachella Vly 50 46 0.3 24 4 29 43 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 39 34 0.3 31 5 19 31 33 SW San Bernardino Vly 34 29 0.3 38 7 17 35 34-1 C San Bernardino Vly-1 32 27 0.6 36 4 28 33 34-2 C San Bernardino Vly-2 32 27 0.6 36 4 28 33 35 E San Bernardino Vly 36 31 0.6 28 4 31 29 36 W San Bernardino Mtns 42 38 0.2 22 5 33 35 37 C San Bernardino Mtns 44 40 0.2 18 4 33 37 38 Big Bear Lake 47 43 0.5 14 3 31 40 San Bernardino County: Mojave Desert Air Basin 39 Phelan 47 43 0.4 40 4 30 40 40 Hesperia 46 39 0.4 36 4 32 36 41 Trona 47 34 0.4 38 3 30 35 42 Victorville 46 39 0.5 36 5 28 36 43 Yucca Vly 49 47 0.5 28 3 31 44 44 Barstow 48 42 0.5 24 3 15 39 45 Twentynine Palms 46 43 0.5 31 3 29 40 -------------------------------------------------------------------------------- ------------------------------------------------------------------------ AIR QUALITY FORECAST ------------------------------------------------------------------------ ON FRI., JAN. 17, 2020 THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Coastal Area AQI: 50 PM2.5 Metropolitan Area AQI: 50 PM2.5 San Fernando/Santa Clarita Valleys AQI: 38 PM2.5 Inland Orange County AQI: 43 Ozone Riverside Valley AQI: 33 PM10 San Bernardino Valley AQI: 35 PM10 Hemet/Elsinore Area AQI: 37 Ozone Temecula/Anza Area AQI: 39 Ozone San Gabriel Mountains AQI: 36 Ozone San Bernardino Mountains AQI: 37 Ozone Big Bear Lake AQI: 40 Ozone Banning Pass Area AQI: 41 Ozone Coachella Valley/Low Desert AQI: 43 Ozone Antelope Valley AQI: 37 Ozone Victor Valley AQI: 40 Ozone Northern Mojave Desert AQI: 39 Ozone Central Mojave Desert AQI: 44 Ozone MODERATE in the following area(s): San Gabriel Valley AQI: 53 PM2.5 ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Friday will be warmer with offshore flow. It will be mostly cloudy. ------------------------------------------------------------------------ Inversion Base: 7043 FT | Breaking Temperature: 80 DEG F Inversion Breaking: NO | Maximum Mixing HEIGHT: 4926 FT ------------------------------------------------------------------------ ------------------------------------------------------------------------ AGRICULTURAL AND WILDLAND FIRES BURN FORECAST ------------------------------------------------------------------------ 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 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, JANUARY 17, 2020 IN THE SOUTH COAST AIR BASIN.