A new study by the American Medical Association reveals a correlation between short-term changes in ozone and mortality on average in 95 large US communities, where 40% of the US population reside. The study indicates the growing public health threat from increased exposure to the pollutant.

For a short synopsis, visit the Journal of the American Medical Association website.
"Ozone and Short-term Mortality in 95 US Urban Communities, 1987-2000." November 17, 2004.

See also the Environment Sector of the Boston Indicators Report.