Grand Canyon has cleaner air than other national parks

Did you need another reason to visit the Grand Canyon?  Are you a big national parks fan?  Well here you are. Grand Canyon has cleaner air than other national parks.  A study carried out by Iowa State and Cornell Universities found the Grand Canyon national park has the cleanest air of all the national parks.  Based on how often a national park has a day of unhealthy ozone levels, Grand Canyon came in with the cleanest air record.  Take a look here for the story. Of course, if you are going to visit the Grand Canyon, you need a place to stay.  What better for a family or friends vacation than a luxury cabin! https://www.azcentral.com/story/news/local/arizona-environment/2018/07/22/arizona-grand-canyon-has-cleaner-air-than-other-national-parks-study-says/801523002/