Urumqi, China

As you know, I have been traveling across the world and one of the places I visited was a Chinese city called Urumqi. This is possibly the worst city in the world to visit. At times it might be beautiful but if you visit there you might be taking a few years off your life. It is the most polluted city you will ever visit. In fact, I saw a man wearing a doctors mask to try and filter out the cities poisonous air.
The only good thing about is that Urumqi is surrounded by desert and barren mountains. That means their deadly pollution is only hurting themselves. This place is so polluted that hundreds of flights from the Urumqi international airport had been delayed by low visibility. Low visibility is due to smog. I researched this city and the only positive thing I found about it is that Urumqi will invest 5 billion yuan ($731 million) to clean up wintertime pollution this year. At lest they are trying to clean themselves up. If this place doesn’t clean up I suggest you never visit.

Sources.: http://www.chinadaily.com.cn/cndy/200903/13/content_7574388.htm
http://alisonbate.ca/2009/01/14/winter-in-the-worlds-most-polluted-city/

Picture Sources: http://graphics8.nytimes.com/images/2006/03/10/national/10phoe583.jpg http://msnbcmedia2.msn.com/j/ap/bej80303050811.hmedium.jpg