A recent study conducted in 2025 by OxiFresh has revealed compelling insights into urban cleanliness across various American cities. This comprehensive research assessed several critical factors, including air quality, tap water cleanliness, rodent and cockroach activity, and the prevalence of litter and vandalism. Additionally, the study examined population density, noting that cities with higher populations often confront significant challenges related to air pollution and waste management.
Renowned for its commitment to clean, green living, Portland presents a striking visual experience marked by minimal litter and few instances of vandalism. A visit to the city typically begins in the vibrant and walkable downtown area, where attractions abound. The Portland Art Museum offers a glimpse into the city’s rich cultural landscape, while Pioneer Courthouse Square, affectionately dubbed “Portland’s Living Room,” serves as a perfect spot to relax and watch the city pulse with life.
Portland, Oregon, emerged as the standout winner, clinching the top position with an impressive A+ grade for cleanliness. Notably, the city boasts the best air quality among all those evaluated, allowing residents and visitors alike to enjoy a breath of fresh air—quite literally. Nature lovers will appreciate Tom McCall Waterfront Park, one of more than 200 parks scattered throughout Portland. Here, visitors can enjoy a serene 1.5-mile stretch that invites leisurely strolls and peaceful reflections.
For those eager to explore on two wheels, the city boasts an extensive network of 400 miles of cycle paths. A bike-share program known as Biketown has established a convenient station within the park, making it easy to embark on scenic rides over the Steel Bridge and along the picturesque Eastbank Esplanade. Whether you opt for a 2.6-mile or 10-mile loop, the views of the Willamette River and the invigorating clean air will enhance your cycling experience.
If you wish to venture beyond downtown, Tabor Park offers a tranquil escape. Located atop an extinct volcano, this green oasis provides a breathtaking vantage point for sunset views, making it a perfect end to a day of exploration. As evening falls, the culinary scene in Portland beckons. The city is a food lover’s paradise, featuring an array of food carts that serve up diverse cuisines from around the globe, alongside award-winning restaurants. With countless vegetarian and vegan options available, Portland ensures that every palate is catered to, making it an essential destination for food enthusiasts.
