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By Bob Valen 

The air in our lungs

Weather Watcher


Last updated 12/13/2019 at 4:34pm

The air around us is polluted, and the level of pollution in our air varies constantly. The causes of the pollution fluctuate as well. The pollution consists of gases and particulate matter. Common “natural” sources are forest and range fires, volcanic activity and various gases that originate in nature. Most all of these natural sources are not constant, unlike the sources that humanity pr...

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