Cleaner Snow Reveals Cleaner Air
Weissinger R and Rocky Mountain Network. 2019. Cleaner Snow Reveals Cleaner Air. National Park Service
Few things look more pristine than a fresh blanket of snow, yet each snowflake naturally carries small particles from the atmosphere. When snowflakes build around these particles, the resulting snowfall can bring pollutants from far away into our national parks. Long-term snow chemistry monitoring is showing some improvements in air quality at Glacier and Rocky Mountain National Parks, and Great Sand Dunes National Park and Preserve.