LDEQ's CH_Vista in Chalmette Vista and Meraux at Joe Davies School available at this link. Right hand column menu, click ON AIR icon, select site data, select either CH_Vista or Meraux. Valero's Ventura Drive monitor in Floral Estates available at this link. For benzene and other VOC data, select Documents, click report to view.
| May 2012 Air Quality Readings | ||||
| Sulfur Dioxide levels of 12 ppb can trigger headaches | ||||
| EPA one hour health standard is 75 ppb Sulfur Dioxide | ||||
| Ozone action day triggered at 75 ppb | ||||
| Hydrogen Sulfide 1.4 ppb recommended daily exposure (WHO) | ||||
| H2S ambient air concentrations from natural sources | ||||
| have been estimated to be 0.11 ppb and 0.33 ppb. | ||||
| Concentrations of H2S in urban areas are generally | ||||
| less than 1 ppb H2S | ||||
| Hydrogen Sulfide & | ||||
| Sulfur Dioxide | ||||
| 5/1/2012 | 3am | Ventura | 4 ppb H2S | |
| 4am | Ventura | 3 ppb H2S | ||
| 5/2/2012 | 9am | Ventura | PM10 - 33 | |
| 2pm | Ch_Vista | 6 ppb H2S | ||
| Ventura | 48 ppb SO2 | |||
| 3 ppb H2S | ||||
| 3pm | Ch_Vista | 3 ppb H2S | ||
| Ventura | 120 ppb SO2 | |||
| Ventura | 2 ppb H2S | |||
| 5pm | Ch_Vista | 35.7 ppb SO2 | ||
| 5/3/2012 | 9am | Ch_Vista | 11.8 ppb SO2 | |
| 10am | Ch_Vista | 11.3 ppb SO2 | ||
| 11am | Ch_Vista | 15.5 ppb SO2 | ||
| 5/4/2012 | 7pm | Ch_Vista | 23 ppb SO2 | |
| 10pm | Ch_Vista | 4 ppb H2S | ||
| 5/5/2012 | 1am | Ventura | 4 ppb H2S | |
| 2am | Meraux | 9.0 ppb SO2 | ||
| Ventura | 4 ppb H2S | |||
| 3am | Meraux | 6.6 ppb SO2 | ||
| Ventura | 4 ppb H2S | |||
| 7pm | Ch_Vista | 26.9 ppb SO2 | ||
| 5/6/2012 | 2am | Meraux | 4 ppb H2S | |
| Ventura | 4 ppb H2S | |||
| 3am | Ventura | 4 ppb H2S | ||
| Canister sampling results @ Ventura monitor | ||||
| http://lena.providenceeng.com/Reports/CAMs%20Lab%20Data%205-6-12.pdf | ||||
| PM 10 | ||||
| 5/7/2012 | 2am | Ventura | 3 ppb H2S | |
| 3am | Ventura | 4 ppb H2S | ||
| 4am | Ch_Vista | PM10 - 45 | ||
| Ventura | 4 ppb H2S | |||
| 5am | Ventura | 4 ppb H2S | 35 | |
| 6am | Ventura | 3 ppb H2S | 34 | |
| 2pm | Ch_Vista | 33.3 ppb SO2 | ||
| 4pm | Ch_Vista | 24.4 ppb SO2 | ||
| 5/8/2012 | midnight | Ch_Vista | 31.5 ppb SO2 | |
| 5/9/2012 | 5am | Ventura | PM10 - 35 | |
| 5/10/2012 | 4am | Ventura | 4 ppb H2S | |
| 5am | Ventura | 5 ppb H2S | ||
| 6pm | Ch_Vista | 31.2 ppb SO2 | ||
| 8pm | Ventura | PM10 - 39 | ||
| 10pm | Ventura | PM10 - 38 | ||
| 5/11/2012 | 12am | Ch_Vista | 13.0 ppb SO2 | |
| 4am | Ventura | 3 ppb H2S | ||
| 5am | Meraux | 4 ppb H2S | ||
| Ventura | 3 ppb H2S | |||
| 9am | Ventura | PM10 - 44 | ||
| 2pm | Ventura | PM10 - 41 | ||
| 5/12/2012 | 9am | Ch_Vista | 50.3 ppb SO2 | |
| 11am | Ch_Vista | 54.4 ppb SO2 | ||
| 4pm | Ch_Vista | 33.4 ppb SO2 | ||
| 6pm | Ch_Vista | 20.2 ppb SO2 | ||
| Canister sampling results @ Ventura monitor | ||||
| http://lena.providenceeng.com/Reports/CAMs%20Lab%20Data%205-12-12.pdf | ||||
| 5/15/2012 | 5am | Ventura | PM10 - 56 | |
| 5pm | Ventura | PM10 - 44 | ||
| 6pm | Ch_Vista | 34.6 ppb SO2 | ||
| Ch_Vista | 3 ppb H2S | |||
| 7pm | Ch_Vista | 65.6 ppb SO2 | ||
| Ch_Vista | 3 ppb H2S | |||
| 5/16/2012 | 2am | Meraux | 5 ppb H2S | |
| Ventura | 5ppb H2S PM10 | 39 | ||
| 3am | Meraux | 6 ppb H2S | ||
| 4am | Ventura | 4 ppb H2S | ||
| 11am | Meraux | 22 ppb H2S | ||
| 2pm | Ventura | PM10 - 40 | ||
| 5/17/2012 | 5am | Meraux | 4 ppb H2S | |
| SO2 monitor down at Meraux | ||||
| 3pm | Ventura | PM10 - 41 | ||
| 4pm | Ventura | PM10 - 41 | ||
| 5/18/2012 | 2am | Ventura | 4 ppb H2S | |
| 3am | Ventura | 4 ppb H2S | ||
| 6am | Ventura | PM10 - 56 | ||
| 4pm | Meraux | Ozone 75 ppb | ||
| Ventura | PM10 - 52 | |||
| 8pm | Ventura | PM10 - 54 | ||
| 9pm | Ventura | PM10 -61 | ||
| 5/19/2012 | 3am | Ch_Vista | 4 ppb H2S | |
| 5am | Ventura | 5ppb H2S PM10 | 44 | |
| 6am | Ventura | 5 ppb H2S | ||
| 9p | Ch_Vista | 31 ppb SO2 | ||
| 10pm | Ventura | PM 10 - 44 | ||
| 11pm | Ventura | PM 10 - 89 | ||
| 5/20/2012 | 2am | Meraux | 8 ppb H2S | |
| 3am | Meraux | 5 ppb H2S | ||
| 4am | Meraux | 6 ppb H2S | ||
| 5am | Meraux | 4 ppb H2S | ||
| Ch_Vista | 8 ppb H2S | |||
| Ventura | 5 ppb H2S | |||
| 7pm | Ch_Vista | 14.6 ppb SO2 | ||
| 8pm | Ventura | PM10 - 45 | ||
| 5/21/2012 | 1am | Ventura | 6 ppb H2S | |
| 2am | Ventura | 5 ppb H2S | ||
| 3am | Ventura | 4 ppb H2S | ||
| Ventura | 9 ppb SO2 | |||
| 6am | Ventura | PM10 - 62 | ||
| 8am | Ch_Vista | PM10 - 56 | ||
| 10am | Meraux | Ozone 70 | ||
| 8pm | Ventura | PM10 - 60 | ||
| 10pm | Ch_Vista | PM10 - 63 | ||
| 11pm | Meraux | 4 ppb H2S | ||
| 5/22/2012 | 2am | Ventura | 4 ppb H2S | |
| 4am | Meraux | 5 ppb H2S | ||
| 5am | Meraux | 6 ppb H2S | ||
| 1pm | Meraux | Ozone 73 | ||
| 3pm | Ventura | PM10 - 45 | ||
| 6pm | Ch_Vista | 14.7 ppb SO2 | ||
| 8pm | Ch_Vista | 18.9 ppb SO2 | ||
| Ch_Vista | 9 ppb H2S | |||
| 11pm | Ventura | 4 ppb H2S | ||
| 5/23/2012 | 2am | Ventura | 9 ppb SO2 | |
| 2am | Meraux | 19.6 ppb SO2 | ||
| Meraux | 3 ppb H2S | |||
| 3am | Ventura | 4 ppb H2S | ||
| 6am | Ch_Vista | PM10 - 66 | ||
| Ventura | PM10 - 74 | |||
| 7am | Ch_Vista | PM10 - 64 | ||
| Ventura | PM10 - 55 | |||
| 9am | Ventura | 9 ppb SO2 | ||
| noon | Ch_Vista | PM10 - 45 | ||
| 1pm | Meraux | Ozone 77 | ||
| 2pm | Ventura | PM10 - 66 | ||
| 5pm | Ch_Vista | 21.2 ppb SO2 | ||
| Ch_Vista | 3 ppb H2S | |||
| Ch_Vista | PM10 - 42 | |||
| 6pm | Ch_Vista | 14.7 ppb SO2 | ||
| Ch_Vista | 14.1 ppb SO2 | |||
| Meraux | 8 ppb SO2 | |||
| Meraux | 11 ppb SO2 | |||
| 8pm | Ch_Vista | 12 ppb H2S | ||
| Ch_Vista | PM10 - 49 | |||
| 9pm | Ch_Vista | 5 ppb H2S | ||
| Ventura | 12 ppb SO2 | |||
| 10pm | Ventura | 11 ppb SO2 | ||
| 5/24/2012 | 2am | Ventura | 4 ppb H2S | |
| 3am | Ventura | 4 ppb H2S | ||
| 4am | Ventura | 5 ppb H2S | ||
| Ventura | 17 ppb SO2 | |||
| 5am | Ventura | 5 ppb H2S | ||
| Ventura | 15 ppb SO2 | |||
| 6am | Ventura | 5 ppb H2S | ||
| 6am | Ch_Vista | PM10 - 49 | ||
| 7am | Ch_Vista | 26.9 ppb SO2 | ||
| Ch_Vista | PM10 - 50 | |||
| 8am | Ch_Vista | 18.8 ppb SO2 | ||
| 9am | Ch_Vista | 25.6 ppb SO2 | ||
| 10am | Ch_Vista | 22.0 ppb SO2 | ||
| 11am | Ch_Vista | 33.7 ppb SO2 | ||
| noon | Ch_Vista | 22.4 ppb SO2 | ||
| 1pm | Ch_Vista | 28.5 ppb SO2 | ||
| 2pm | Ch_Vista | 41.1 ppb SO2 | ||
| 3pm | Ch_Vista | 54.7 ppb SO2 | ||
| 4pm | Ch_Vista | 36.3 ppb SO2 | ||
| 5pm | Ch_Vista | 77.5 ppb SO2 | ||
| 6pm | Ch_Vista | 68.6 ppb SO2 | ||
| 5/25/2012 | midnight | Ch_Vista | 15 ppb SO2 | |
| 2am | Ch_Vista | 121.3 ppb SO2 | ||
| Ch_Vista | 5 ppb H2S | |||
| 3am | Ch_Vista | 27.8 ppb SO2 | ||
| 5am | Ventura | 4 ppb H2S | ||
| 6am | Ventura | 5 ppb H2S | ||
| Meraux | 4 ppb H2S | |||
| 7am | Ventura | 5 ppb H2S | ||
| Meraux | 5 ppb H2S | |||
| 8pm | Ventura | PM10 - 42 | ||
| Ch_Vista | 16.5 ppb SO2 | |||
| 11pm | Ch_Vista | 7 ppb H2S | ||
| 5/26/2012 | 3am | Ventura | 6 ppb H2S | |
| 4am | Meraux | 4 ppb H2S | ||
| Ventura | 9 ppb H2S | |||
| 5am | Meraux | 9 ppb H2S | ||
| Ventura | 11 ppb H2S | |||
| 6am | Meraux | 8 ppb H2S | ||
| Ventura | 8 ppb H2S | |||
| Ch_Vista | 4 ppb H2S | |||
| 7am | Ventura | 6 ppb H2S | ||
| 7pm | Ch_Vista | 11.3 ppb SO2 | ||
| 8pm | Ch_Vista | 15.4 ppb SO2 | ||
| Ventura | 6 ppb SO2 | |||
| 9pm | Ch_Vista | 10.2 ppb SO2 | ||
| 5/27/2012 | 2am | Ventura | 4 ppb H2S | |
| Ventura | PM10 - 50 | |||
| 4am | Ventura | 4 ppb H2S | ||
| 6pm | Ventura | PM10 - 50 | ||
| 7pm | Ventura | PM10 - 60 | ||
| 9pm | Ch_Vista | 12.3 ppb SO2 | ||
| Ch_Vista | PM10 - 65 | |||
| Ventura | PM10 - 57 | |||
| 11pm | Ch_Vista | PM10 - 57 | ||
| 5/28/2012 | 1am | Ventura | PM10 - 56 | |
| 1pm | Ch_Vista | PM10 - 53 | ||
| 2pm | Ventura | PM10 - 57 | ||
| Meraux | Ozone 64 | |||
| 3pm | Ventura | PM10 - 59 | ||
| 6pm | Ventura | PM10 - 56 | ||
| Meraux | 13 ppb SO2 | |||
| 9pm | Ventura | PM10 - 56 | ||
| 5/29/2012 | midnight | Ventura | 14 ppb SO2 | |
| 1am | Ventura | 14 ppb SO2 | ||
| 9am | Ventura | PM10 -80 | ||
| 10am | Ventura | PM10 - 60 | ||
| noon | Meraux | Ozone 65 | ||
| 1pm | Meraux | Ozone 77 | ||
| Ch_Vista | PM10 - 47 | |||
| 5/30/2012 | 1am | Meraux | 13.1 ppb SO2 | |
| Ventura | 15 ppb SO2 | |||
| 2am | Meraux | 15.0 ppb SO2 | ||
| Ventura | 11.0 ppb SO2 | |||
| 10am | Ch_Vista | PM10 - 63 | ||
| 3pm | Ch_Vista | 21.1 ppb SO2 | ||
| 4pm | Ch_Vista | 20.4 ppb SO2 | ||
| 5/31/2012 | 3am | Meraux | 4 ppb H2S | |
| 5am | Ch_Vista | 6 ppb H2S | ||
| 6am | Ch_Vista | 5 ppb H2S | ||
| Ch_Vista | 35.1 ppb SO2 | |||
| 7am | Ch_Vista | 5 ppb H2S | ||
| Ch_Vista | 29.8 ppb SO2 | |||
| 8am | Ch_Vista | 15.9 ppb SO2 | ||
| Health Standards | ||||
| SO2 | 75 ppb hourly average | |||
| H2S | 1.4 ppb recommended daily exposure | |||
| PM 2.5 | 35 | |||
