Welcome to our gallery of visibility images. These images have been provided by the National Park Service Air Quality Office.

Each of the scenes below is from a US national park. For each scene we have provided three images which illustrate a range of visual air quality conditions. These images demonstrate conditions that are representative of what you would expect on the best 5% of days, at average visibilty, and on the worse 5% of days. We offer two sizes of each image from which to choose or a smaller composite image of all three. Each image will open in a separate browser window for easy comparison.

Acadia National Park
Best 5%															51K JPEG															85K JPEG
Park Average															51K JPEG															77K JPEG
Worse 5%															43K JPEG															77K JPEG
Composite Image																									51K JPEG

Denali National Park
Best 5%															68K JPEG															128K JPEG
Park Average															77K JPEG															136K JPEG
Worse 5%															51K JPEG															85K JPEG
Composite Image																									51K JPEG

Glacier National Park
Best 5%															60K JPEG															111K JPEG
Park Average															60K JPEG															102K JPEG
Worse 5%															51K JPEG															94K JPEG
Composite Image																									51K JPEG

Yosemite National Park
Best 5%															85K JPEG															153K JPEG
Park Average															85K JPEG															136K JPEG
Worse 5%															77K JPEG															145K JPEG
Composite Image																									60K JPEG

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