The air quality experts at Unique Indoor have put together a cool infographic that breaks down cities with bad air quality throughout the United States. Besides focusing on US cities there is also a focus on cities globally that have air quality issues. They found that it is estimated that air pollution kills 3.3 million people annually, and that number is expected to double by 2050. Countries like Iran, Saudi Arabia, and China are all known for having bad air as well. To learn more about which US cities have bad air, check out the infographic from Unique Indoor.

Infographic by: www.uniqueindoor.com