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In Numbers

A data-driven portrait of America’s energy, climate, and environment

USAFacts State of the Union - In Numbers

To celebrate Earth Day, USAFacts analyzed metrics from government agencies responsible for measuring the nation’s air, land conservation, and energy production. This data snapshot touches on environmental numbers from 1895 to 2020. These are historical metrics for perspective — whether they mark positive, negative, or neutral changes for land, energy, and air in the US is up to you.

Published April 19th, 2021

Air Quality

How has air quality changed across the United States since 1980?