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History of St. Louis Air Pollution

History of St. Louis Air Pollution. NASA Air Quality Applied Sciences Team June 2, 2015. Presentation Overview. St. Louis Air Quality Gateway’s Ozone Data Sharing Project Trends. St. Louis Ozone History. St. Louis PM 2.5 History. St. Louis (MO-IL) Non-Attainment Areas. Ozone.

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History of St. Louis Air Pollution

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  1. History of St. LouisAir Pollution NASA Air Quality Applied Sciences Team June 2, 2015

  2. Presentation Overview St. Louis Air Quality Gateway’s Ozone Data Sharing Project Trends

  3. St. Louis Ozone History

  4. St. Louis PM2.5 History

  5. St. Louis (MO-IL)Non-Attainment Areas Ozone 1997 PM2.5

  6. 2008 Ozone Standard 75 parts per billion (ppb) Exceedance is when an 8-hour average of values at a monitor is calculated to be > 75 ppb on any given day Violation is when a 3-year average of the 4th highest annual average at a monitor is calculated to be > 75 ppb

  7. Ozone Data Sharing Project • Ozone Season - April 1 to October 31 • East-West Gateway acts as a clearinghouse for ozone data • Initial quality assurance screening • Prepare reports

  8. 2014 Ozone Season • 2 Ozone Days and 4 Exceedances • August 4 • West Alton MO • Alton IL • Wood River IL • September 28 • Arnold West MO

  9. Summer Weather Facts National Weather Service

  10. 3 Yr Average of 4th Highest 8-Hour Ozone Averages1995-2014

  11. 3 Year Average 4th Highest8-Hr Ozone Average 1984 Decentralized I/M tailpipe Transportation Control Measures 1989 Stage II Vapor Recovery Decommission Stage II Vapor Recovery Centralized I/M IM240 Reformulated Gas Low RVP Gas Decentralized I/M OBD

  12. Daily Vehicle Miles Traveled (VMT)St. Louis Region 1982-2014

  13. Projected Vehicle Emissions

  14. Trends Moderate to Marginal – July 2012 Anticipate attainment in 2015 Revised ozone standard October 2015

  15. Then and Now October 28, 1938 looking east along Pine from 200 block of N. Tucker St. Louis Post-Dispatch May 27, 2015 looking east from SSM St. Mary’s Health Center in Richmond Heights MDNR Visual Air Pollution Camera

  16. For Additional Information On-line Air Quality Resource Center www.ewgateway.org/environment/aq/aq.htm August 2014 AQI Calendar

  17. Questions? Michael Coulson, PE Manager, Environmental Services East-West Gateway Council of Governments Air Quality Resource Center www.ewgateway.org

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