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.

One thought on “Still poor, Yellowstone Park winter air quality has improved.

  1. 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

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