Which Is the Most Sprawling City in the World? (in the U.S. by most measures)

[austlar1]

Originally Posted by Private Dick

That's very far from a scientific list.

"based on surveys from visitors of this website"

"Most of our data are based on perceptions (opinions) from visitors of this website. For pollution section, we include some relevant data from World Health Organization and other institutions if we find it helpful."

Come on. Not that the cities list near the top don;t have pollution issues, but you can definitely beat that list.

Well, how about this one? The interactive maps use real-time data supplied by 8,028 official monitoring stations from 68 countries around the world to produce maps that reveal the pollution levels at any given time in cities across the globe.

http://aqicn.org/map/world/#@g/6.2932/7.7344/2z