Clean Air Act

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How is air quality measured?

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September 11, 2005, ozone thinning over antarctica reached its maximum extent for the year.

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

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Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

The 10 Greatest Basketball Players of All Time

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

January 21, 2019: Superbowl LIII will be played at Atlanta's Mercedes-Benz Stadium on Sunday, February 3, 2019 against the New England Patriots and the Los Angeles Rams.

What Was the Super Bowl’s First Blockbuster Commercial?

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

Clean Air Act: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

Trump Gives EPA One Week to Decide on Abandoning Climate Pollution Regulation • Feb. 13, 2025, 4:12 AM ET (Scientific American)

Facts

Also Known As	CAA
Date	1970
Location	United States
Context	Montreal Protocol • environmental economics

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How is air quality measured?

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Topics

public health acid rain air pollution ozone depletion lead emissions trading Environmental Protection Agency pollution chlorofluorocarbon carbon monoxide USA PATRIOT Act No Child Left Behind Chinese Exclusion Act Racketeer Influenced and Corrupt Organizations Act Americans with Disabilities Act Defense of Marriage Act G.I. Bill Clean Water Act War Powers Act Endangered Species Act