SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT DAILY AIR QUALITY FORECAST VALID: WED., APR. 24, 2019 -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- Los Angeles County: South Coast Air Basin 1 Central LA Co 60 29 0.9 32 13 20 52 2 NW Coastal LA 55 37 0.7 25 12 16 50 3 SW Coastal LA 59 40 1.2 17 14 20 54 4 S Coastal LA 41 33 0.5 16 7 16 31 5 Southeast LA Co 60 32 0.7 17 12 12 50 6 W San Fernando Vly 80 58 0.8 18 12 16 60 7 E San Fernando Vly 67 30 1.0 33 12 24 50 8 W San Gabriel Vly 65 34 1.0 23 4 20 32 9-1 E San Gabriel Vly-1 75 35 0.6 36 8 16 33 9-2 E San Gabriel Vly-2 75 35 0.6 36 8 16 33 10 Pomona Walnut Vly 79 53 1.2 23 12 16 50 11 S San Gabriel Vly 68 36 0.7 17 13 24 52 12 S Central LA Co 35 41 0.7 18 13 24 52 13 Santa Clarita Vly 50 63 0.5 36 7 16 76 15 San Gabriel Mts 32 59 0.5 16 9 12 64 Los Angeles County: Mojave Desert Air Basin 14 Antelope Vly 80 58 0.5 22 3 10 60 Orange County: South Coast Air Basin 16 N Orange Co 66 48 0.5 25 12 10 50 17-1 Central Orange Co-1 59 45 0.5 26 8 10 42 17-2 Central Orange Co-2 59 45 0.5 26 8 10 42 18 N Coastal Orange Co 56 44 0.5 25 4 10 41 19 Saddleback Vly 66 42 0.5 14 8 10 39 20 Central Coastal 58 34 0.5 20 6 10 32 21 Capistrano Vly 60 38 0.5 14 6 10 35 Riverside County: South Coast Air Basin 22 Norco/Corona 89 62 0.5 42 12 10 73 23 Metro Riverside Co 95 66 0.5 42 11 10 85 24 Perris Vly 90 66 0.5 42 11 10 85 25 Lake Elsinore 74 53 0.5 14 5 10 49 26 Temecula Vly 73 57 0.5 22 7 10 57 27 Anza Vly 77 59 0.5 20 7 10 64 28 Hemet/San Jacinto 85 65 0.5 29 9 10 82 29 Banning 91 67 0.5 40 8 10 89 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 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 89 64 0.5 47 7 10 79 30-2 S Coachella Vly 89 64 0.5 47 7 10 79 San Bernardino County: South Coast Air Basin 32 NW San Bernardino Vly 92 49 0.9 68 7 16 58 33 SW San Bernardino Vly 84 46 1.2 35 13 16 52 34-1 C San Bernardino Vly-1 98 67 1.1 31 9 10 89 34-2 C San Bernardino Vly-2 98 67 1.1 31 9 10 89 35 E San Bernardino Vly 103 70 0.5 38 8 10 98 36 W San Bernardino Mtns 96 46 0.5 19 7 10 43 37 C San Bernardino Mtns 97 57 0.5 16 5 10 57 38 Big Bear Lake 80 57 0.5 14 6 10 57 San Bernardino County: Mojave Desert Air Basin 39 Phelan 68 52 0.5 13 4 10 48 40 Hesperia 62 58 0.5 13 4 10 60 41 Trona 61 50 0.5 14 2 10 46 42 Victorville 67 51 0.5 13 4 10 47 43 Yucca Vly 65 57 0.5 14 3 10 57 44 Barstow 61 50 0.5 13 3 10 46 45 Twentynine Palms 67 51 0.5 13 3 10 47 -------------------------------------------------------------------------------- ------------------------------------------------------------------------ AIR QUALITY FORECAST ------------------------------------------------------------------------ ON WED., APR. 24, 2019 THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT PREDICTS THE AIR QUALITY WILL BE ... GOOD in the following area(s): Inland Orange County AQI: 42 Ozone Northern Mojave Desert AQI: 46 Ozone MODERATE in the following area(s): Coastal Area AQI: 54 PM2.5 Metropolitan Area AQI: 52 PM2.5 San Fernando/Santa Clarita Valleys AQI: 76 Ozone San Gabriel Valley AQI: 52 PM2.5 Riverside Valley AQI: 85 Ozone San Bernardino Valley AQI: 98 Ozone Hemet/Elsinore Area AQI: 85 Ozone Temecula/Anza Area AQI: 64 Ozone San Gabriel Mountains AQI: 60 Ozone San Bernardino Mountains AQI: 57 Ozone Big Bear Lake AQI: 57 Ozone Banning Pass Area AQI: 89 Ozone Coachella Valley/Low Desert AQI: 79 Ozone Antelope Valley AQI: 64 Ozone Victor Valley AQI: 60 Ozone Central Mojave Desert AQI: 57 Ozone ------------------------------------------------------------------------ ------------------------------------------------------------------------ WEATHER FORECAST ------------------------------------------------------------------------ Weak onshore winds are predicted for Wednesday. Warm temperatures are predicted inland. ------------------------------------------------------------------------ Inversion Base: 1594 FT | Breaking Temperature: 77 DEG F Inversion Breaking: YES | Maximum Mixing HEIGHT: 2313 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 WEDNESDAY, APRIL 24, 2019 IN THE SOUTH COAST AIR BASIN.