US-PM25-nonattainment-2018-06.png

Summary

Description

English: A map of counties failing to meet PM2.5 standards in the United States in June, 2018.

Date

1 July 2018

Source

Author

Environmental Protection Agency

Permission
( Reusing this file )

Public domain	This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government , all EPA images are in the public domain .	EPA logo
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