EPA Proposes Revisions for Air Quality Index Reporting and Significant Harm level for Particle Pollution

The Environmental Protection Agency (EPA) is seeking comments on a proposal to revise the Agency’s Air Quality Index (AQI) that states use to report daily concentrations for fine particle pollution, also known as PM2.5. The proposal also would set a “significant harm level” for PM 2.5, which states use in developing emergency episode plans. EPA will hold a public hearing March 5, 2009 in in the Dallas area.

A Fact Sheet which outlines the proposed revisions is available at: http://www.epa.gov/pm/pdfs/20090115fs.pdf.

For further information and a copy of the proposed rule visit: http://www.epa.gov/pm/actions.html.