Originally Posted by
JDiver
Now, there is air pollution. Mexico City lies in a geographical bowl, and though the government has banned cars from everyday travel, has added rail transit, moved the petroleum refineries, paper factories and other pollution giants out of the city, it can still be a problem for many - particularly when added to the high altitude (7,382 ft / 2,250 m).
I visited Mexico City in 1987 -- man that was dirty air. My understanding is that they have improved air quality a lot since then. I'd love to go back. It's a fascinating city.