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

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Presentation transcript:

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 YearAction 1991Moderate Non-Attainment for Hour Ozone Standard 2002Designated Attainment for Hour Ozone Standard 2004Moderate Non-Attainment for Hour Ozone Standard, including Jersey County IL June 2012Illinois Counties Designated Attainment for Hour Ozone Standard July 2012Marginal Non-Attainment for Hour Ozone Standard February 2015 Missouri Counties Designated Attainment for Hour Ozone Standard

St. Louis PM 2.5 History YearAction 2005Non-Attainment for 1997 Annual PM 2.5 Standard, including Baldwin Township, Randolph County IL 2009Attainment Hour PM 2.5 Standard 2015Unclassifiable for 2012 Annual PM 2.5 Standard

St. Louis (MO-IL) Non-Attainment Areas Ozone 1997 PM 2.5

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 4 th highest annual average at a monitor is calculated to be > 75 ppb

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

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

Summer Weather Facts Days with Temperatures Years Average Number of Days per Year or greater or greater21212 National Weather Service

3 Yr Average of 4 th Highest 8-Hour Ozone Averages

3 Year Average 4 th Highest 8-Hr Ozone Average Low RVP Gas Decommission Stage II Vapor Recovery Decentralized I/M OBD Centralized I/M IM240 Reformulated Gas Transportation Control Measures 1989 Stage II Vapor Recovery 1984 Decentralized I/M tailpipe

Daily Vehicle Miles Traveled (VMT) St. Louis Region

Projected Vehicle Emissions

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

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

For Additional Information On-line Air Quality Resource Center August 2014 AQI Calendar

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