A Cool guide to the most polluted cities in the US ( i.redd.it )
https://www.reddit.com/r/coolguides/comments/1cvoen6/a_cool_guide_to_the_most_polluted_cities_in_the_us/...
![](https://mbin.grits.dev/media/cache/resolve/entry_thumb/63/07/6307cd52fcfb3201ee965e0cb0e29d876350e4f80564fba127cd3f29756e5583.jpg)
https://www.reddit.com/r/coolguides/comments/1cvoen6/a_cool_guide_to_the_most_polluted_cities_in_the_us/...