As wildfires rage on in the West, clean air has become somewhat of a precious resource.
A clear, blue sky is becoming a rarer sight for people living in areas like Napa Valley, Denver, San Francisco, Los Angeles, Portland, and Seattle.
As wildfires rage on in the West, clean air has become somewhat of a precious resource.
A clear, blue sky is becoming a rarer sight for people living in areas like Napa Valley, Denver, San Francisco, Los Angeles, Portland, and Seattle.
