EPA and Illinois Announce that St. Louis Area Now Meets Federal Air Quality Standard for Fine Particulate Matter

EPA and Illinois Announce that St. Louis Area Now Meets Federal Air Quality Standard for Fine Particulate Matter
Region 05
CHICAGO – Today, the U.S. Environmental Protection Agency (EPA) announced its approval of Illinois’ request to formally redesignate the state’s portion of the St. Louis area to attainment of the National Ambient Air Quality Standard for fine particulate matter.

Published May 29, 2019
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