Breathe easy, Bangor.
The city has just been named one of the top four cities in country with the cleanest air quality.
The American Lung Association puts out a national ranking of air qualities in its State of the Air Report each year.
It says Bangor is one of only four cities with no days of unhealthy ozone levels.
The other cities in the top four were Bismarck, North Dakota, Fort Myers, Florida and Salinas, California.
The report says about 46% of Maine residents live in counties with fair to poor air quality.
The city ranked as the worst air quality was Los Angeles. Five other CA cities were in the top ten for bad air. Houston, TX, Washington, DC, and Las Vegas also rank in the top ten for bad air.