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Environmental scientists use smog chambers to measure the impact of local air quality on health. Want to know your local air quality? Check out this map, supported by international, federal, tribal, state and local agencies and others:http://www.airnow.gov/.
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I am totally a visual learner! I LOVE maps. Data and colors and spacial relationships, oh my :). And, this online resource is supported by dozens of agencies and a few other groups. Yet another example of the broad reach of public health endeavors.
