In the ranking, over 300 major cities are scored on four main categories of pollution, infrastructure, living conditions, and resident dissatisfaction. Some metrics included in the score calculations include: air quality index, greenhouse gas emissions per capita, water quality violations, quantity of waste in landfills per capita, population density, and share of overcrowded rooms.
https://www.visualcapitalist.com/mapped-the-10-dirtiest-cities-in-america/
Correlated with race
Detroit went through a recession, so they lots a lot of funding. I can understand that one. But what about the east and west coast? They are funded for this kind of stuff, right?