The 12 Cleanest Rivers in Tennessee

Tennessee’s few major river systems extend into an endless list of tributaries resulting in an impressive number of beautiful rivers. With such beautiful destinations in the state, like the Great Smoky Mountains National Park, there is always some kind of picturesque scenery to enjoy during your visit.  Unfortunately, however, many of Tennessee’s rivers have a … Read more

Which City Has The Cleanest Air In India?

Satna is the city with the cleanest air in India. Air cleanliness levels are measured in PM readings. The average large Indian city has a PM of 4.5. Satna has a PM of 2.5. This equates to around 15.5µg/m³ which makes Satna one of the best cities in India for respiratory health. These air particles … Read more