Regional Air Quality Issues in the Midwest Rob Kaleel Lake Michigan Air Directors Consortium June 2, 2015
Overview Ozone, Fine Particles, and Regional Haze Modeling Challenges and Policy Mercury 2
Regional Planning Organizations
Nonattainment Areas for 2008 Ozone NAAQS St. Louis Sheboygan Chicago Dallas Upper Green River Basin Uintah Basin Denver Houston Memphis Baton Rouge Atlanta Cincinnati KnoxvilleCharlotte Columbus Cleveland Jamestown Pittsburgh Washington DC/VA Baltimore Seaford DE New York Philadelphia Greater Connecticut Allentown Dukes MA Lancaster Reading Phoenix San Diego Calaveras Co San Luis Obispo Tuscan Buttes Ventura Co Morongo Tribe Pechanga Tribe Chico Mariposa Co San Francisco Sacramento San Joaquin Valley Riverside Co Nevada Co LA-South Coast West Mojave E. Kern Co Imperial Co
8-Hour Ozone Design Value Trends LADCO States Ozone Concentration, ppm
Hour Ozone Design Values
th high 76 ppb
Proposed 8-Hour Ozone NAAQS - 70 ppb
Proposed 8-Hour Ozone NAAQS - 65 ppb
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Source: Brad Pierce, NOAA Model Performance Issues: Characterizing the Lake Breeze
Model Performance Issues: Too much NOx? Source: Brad Pierce, NOAA
Typical Summer Day NOx Emissions (tons/day) Chicago Ozone Nonattainment Area Source: Illinois EPA
Model Performance Issue: Importance of Boundary Conditions
75 ppb O 3 threshold Contribution to Ozone – Harford, MD
Model Performance Issue: Ammonia Emissions – Winter Nitrate Events
Source: NADP ISWS Annual Ammonia Emissions
Mercury Wet Deposition Monitoring in the Midwest
LADCO sponsored seminar: Mercury in the Midwest August 20-21, 2015 Hyatt Regency Indianapolis One South Capitol Avenue Indianapolis, IN Contact Donna Kenski:
Questions? Rob Kaleel – LADCO