And Portland, Oregon’s biggest city and crown jewel ... what you do have when you live in Portland: You have space, clean water and very few cockroaches. “Portland has a relatively low ...

Minneapolis was ranked among the cities with the cleanest air, while Seattle was praised for its investment in green spaces ...

Carpet cleaning company Oxi Fresh has ranked 35 of the biggest cities in the U.S. based on cleanliness, by weighing seven factors: population density, rodents, cockroaches, vandalism, litter, air ...