What is the Health Impact from Short Term Exposure to a Combination of Air Pollutants?


A Comparison of Risk Estimates for the Effect of Short-Term Exposure to PM, NO2 and CO on Cardiovascular Hospitalizations and Emergency Department Visits: Effect Size Modeling of Study Findings (14 page pdf, Ellen Kirrane, David Svendsgaard, Mary Ross, Barbara Buckley, Allen Davis, Doug Johns 1, Dennis Kotchmar, Thomas C. Long, Thomas J. Luben, Genee Smith and Lindsay Wichers Stanek, Atmopshere, Dec. 6, 2011)

Today we review research that statistically examines the degree to which one pollutant in combination with one or two others (CO, NO2 and PM) on a short term basis (a few days after exposure) affects health impacts and how much correlation exists between pollutants in causing these impacts. Results indicate that there is an association between NO2 and PM as one might expect this from transportation emissions and also the association between NO2 and cardiovascular diseases. The authors recommend a greater density of monitors to measure the pollutant concentrations and to isolate the influence of each.

PM CO and NO2 correlations

To see Key Quotes and Links to key reports about this post, click HERE

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