Still poor, Yellowstone Park winter air quality has improved.

With fewer and cleaner snowmobiles entering the Park, the air isn’t quite as dirty as it was.

Read, Winter air improving at Yellowstone. By Mike Stark. Billings Gazette.







  1. be Avatar

    my cousin’s in-laws own a couple of the snowmobile outfits in west. those fumes get pretty harsh at peak-season – enough to burn your eyes and nostrils just wandering around town.

    it’s outrageous what is allowed at that park


Dr. Ralph Maughan is professor emeritus of political science at Idaho State University. He was a Western Watersheds Project Board Member off and on for many years, and was also its President for several years. For a long time he produced Ralph Maughan’s Wolf Report. He was a founder of the Greater Yellowstone Coalition. He and Jackie Johnson Maughan wrote three editions of “Hiking Idaho.” He also wrote “Beyond the Tetons” and “Backpacking Wyoming’s Teton and Washakie Wilderness.” He created and is the administrator of The Wildlife News.

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Ralph Maughan