If the map is colored green it is either healthy, slightly less than unhealthy, or there is no instruments measuring air pollution in the area.
Yellow, orange, and red signify unhealthy air.
Photo essays of visibly distressed landscapes in the urban American West. Our health, and our landscape, is being destroyed by the toxic components of the air pollution we generate. These photo essays, centered mostly in Santa Barbara, CA, and Portland, OR, serve as stark reminders.
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