Virginia has the fourth best air quality in the US with 91.50% of good air quality days, 0.20% of unhealthy air quality days, and 8.40% of moderate air quality days.

The ten states with the best air quality are:

1.            Hawaii – 99.40%

2.            Maine – 93.20%

3.            Alaska – 92.30%

4.            Virginia – 91.50%

5.            Vermont – 91.30%

6.            New Hampshire – 91%

7.            Florida – 89.80%

8.            New York – 88.70%

9.            Washington – 88.70%

10.       Louisiana – 87.90%

Virginia's location along the Atlantic coast and the presence of the Appalachian Mountains help to keep pollutants away from the state.