Report Reveals the 5 Most Polluted U.S. National Parks
Sequoia and Kings Canyon National Parks (California):Known for giant sequoias, these parks frequently experience haze from wildfires and pollution, impacting visibility and air quality.
Joshua Tree National Park (California):
Desert landscapes and iconic Joshua trees suffer from smog and dust, reducing air clarity and affecting visitors' respiratory health.
Yosemite National Park (California):
Famed for its stunning cliffs and waterfalls, Yosemite faces persistent air pollution challenges from surrounding urban areas and wildfires.
Death Valley National Park (California):
The hottest place on Earth often deals with air pollution from dust storms and vehicle emissions, impacting its stark, beautiful vistas.
Rocky Mountain National Park (Colorado):
Home to rugged mountains and alpine lakes, this park contends with pollution from nearby oil and gas activities, affecting its pristine environment.