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Visibility

New Best Available Retrofit Technology (BART)
EPA is proposing to amend its regional haze rule to address visibility impairment in scenic areas
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Great Smoky Mountains
National Park
Great Smoky Mtns. on a clear day

Clear Day

Great Smoky Mtns. on a hazy day

Hazy Day

Great Smoky Mtns. (Within Last 15 Minutes)

Real Time Image
Last 15 Minutes.

This site describes visibility impairment caused by air pollution in the United States. One of the most basic forms of air pollution - haze - degrades visibility in many American cities and scenic areas.

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