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Area Designations for 1997 Fine Particle (PM2.5) Standards

District of Columbia PM2.5 Designations Map

Information provided for informational purposes only Note: EPA no longer updates this information, but it may be useful for historical purposes. See the PM Designations Home Page for more recent information about PM Designations.
The map shows that Washington, DC is within the Washington, DC-MD-VA nonattainment area.

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