Since there is greater pollution in some cities than others, it strikes me that it might be possible. I don't see how it would remain contained to one area, though, but so far there are rural areas that aren't polluted...so if it's something in the air itself, there's a chance elevation or distance might make a difference.
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timeasmymeasure
no subject
Date: 2009-11-06 03:15 pm (UTC)