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EPA Issues Final Ozone Standard

October 2015

This week, the Environmental Protection Agency issue the final National Ambient Air Quality Standard for ozone of 70 ppb/8-hours, tightening the standard from the previous 75 ppb.  While EPA's action marks progress toward reducing ozone pollution in the U.S., the new standard falls short of the 60 ppb standard recommended by the ATS and several other medical professional organizations. 

As noted by ATS Environmental Health Policy Committee chair, George Thurston ScD, "Today's decision, while a step towards improving America's air quality, is inadequate.  EPA failed to fully follow the science and the requirements of the Clean Air Act, and ultimately fell short of its mission to fully protect Americans from air pollution."

Through Congressional testimony, editorials and multiple meetings with EPA and White House staff, the ATS had vigorously advocated for a more protective standard

Last Reviewed: October 2017