I am going to honestly say that I couldn't agree less with Amarty. In my life I have lived in: Portland Oregon, Anchorage Alaska, Palm Springs California, Los Angeles California, Western Montana, Western Wyoming, and finally Tuscon Arizona. I have to say that the worst place of all hands down was Tuscon. I lived there for 3 years. It was hot hot hot. Even in January it was still upper 80's. It was grungy as all get out. I have never seen a city so grimy and with trash everywhere. There were a handful of places in town that were decent, but only the rich communities. Crime though the roof. I looked at the crime stats. It was worse than LA, NYC, Chicago, Miami - I could not find a city with higher stats. Gunshots all the time, and police helicopters were a near nightly thing.
And don't get me started on the University of Arizona. I have been to 5 colleges in my life and the worst was UA. Really low test standards, sup par academics, and an atmosphere of party party party - oh maybe we should go to class sometime this month. They have certain programs that are stellar - like the Space Sciences. That Pheonix Mars Mission? Yeah, belongs to them. Great Linguistics program too. The rest of the place? Dumbed down to a junior high level I kid you not. Weekend nights? Don't stay near campus if you don't want to clean the beer bottles off your lawn every Monday.
I hate to sound like a hater, but really I have never lived somewhere that made me feel icky for being alive like that.