Dirtiest cities

Lawn Starter - From the air we breathe to how trash and industrial pollution are managed, living in a healthy environment is key to maintaining both physical and mental well-being. Which U.S. cities aren’t so pristine? To find out, LawnStarter examined 20 different metrics to rank 2025's Dirtiest Cities in America. America’s 10 Dirtiest Cities San Bernardino, CA Los Angeles Detroit Reading, PA Ontario, CA Newark, NJ Phoenix Jersey City, NJ Las Vegas Corona, CA

Key Insights: Inland Shipping Empire: San Bernardino, California, ranks as the dirtiest city for the 2nd year in a row. Out of the cities in our ranking, San Bernardino has the highest share of residents dissatisfied with pollution — 75% — and ties with 9 other California cities with the worst median air quality.   Rust Belt cities like Detroit (No. 3), Reading, Pennsylvania (No. 4), and Flint, Michigan (No. 12), score among the dirtiest cities with high rates of smoking, homes lacking kitchens and plumbing, and a large percentage of residents unhappy with their environment.    The ideal standard for “good” air quality is an index value of 50 or below. 169 cities in our ranking — including Boston (No. 190), Portland (No. 136), and Minneapolis (No. 277) — fall within this median healthy air quality. The remaining cities land within a “moderate” level.

Read the full story here: https://www.lawnstarter.com/blog/studies/dirtiest-cities-in-united-states/  Other helpful links: City Rankings Key Insights Ask the Experts