Mostly on Asia and Eastern Europe.

Right click [Open image in new tab if its too big]



From: (Last Year)[Research Date: 10.15.2012]
Quality Index | Description
0 – 50 Good
51 – 100 Moderate
101 – 150 Unhealthy for Sensitive Groups
151 – 200 Unhealthy
201 – 300 Very Unhealthy
301 – 500 Hazardous

Mongolia 279
Botswana 216
Pakistan 198
Senegal 145
Saudi Arabia 143
Egypt 138
United Arab Emirates 132
Iran (Islamic Republic of) 124
Nigeria 124
Kuwait 123

Source:
http://www.statisticbrain.com/countr...air-pollution/
http://www.dailymail.co.uk/sciencete...rn-Europe.html

Mongolia must be because of China because it's really not populated like that.

primarily in places with dense population.

I'm glad I live in a clean-air environment (well, the wood-burning heaters muck up the air, but it's still fairly pristine).

I remember going down to California a couple years ago and I was staying about an hour outside of LA. I had to take allergy medications everyday since my eyes and nose started getting really itchy.

I don't know how people can live with that kind of air... }: /

Nnnnnnnn at my country being on the list

I mean the lies; google 'masdar city abu dhabi united Arab Emirates ' its the first and biggest city with absolutely 0% pollution in the world

Beside Dubai and Abu Dhabi are very conscious (spelling?) when it comes to the environment

umm u guys have the worlds largest gas reserves lol

And?
The facilities are so far away from the cities being the nearest one at approximately 90kilometers

Come visit my country and ull see hows the real middle east is

nnn @ the south being clean (southern US)

I knew I wasn't the only one side-eyeing that. Mongolia is the most sparsely populated country in the world, and there's absolutely no way they're producing that much pollution.

Slay South America!

And yas at my section of the US not being that bad.

Mongolia and Botswana are two of the most sparsely populated countries.

at how polluted the air is in Italy.
Let's move to Australia everyone

If only large businesses didn't outsource all the manufacturing work to the east

Australia is kind of ******** tho. And Florida her air gives LIFE. When will your flop states?

WAIT mess at the South

This is why I love living half way up a mountain on a small island with little manufacture and a smaller population. Cleaner air.