Slide Show: America’s 10 Dirtiest Cities

No. 4: Visalia-Porterville, Calif.

Population: 430,000

Short-term particle pollution rank: 8

Year-round particle pollution rank: 3

Ozone pollution rank: 3

Proximity to the giant trees of Sequoia National Park isn’t enough to clean Visalia’s smoggy San Joaquin Valley air.

Porterville is my home town. That photo Forbes used shows the place where I bought my car and ironically, where that truck is, was where my car was when we first looked at it. BUT BESIDES THE POINT!! Visalia-Porterville is ranked #4 for in the country for worst air. Awesome.