In 2025, discussions about cleanliness and livability in Pennsylvania have intensified, especially with several cities ranking among the dirtiest in the nation.

These rankings, based on factors such as pollution, living conditions, infrastructure, and resident satisfaction, provide insight into the challenges facing these communities. Understanding these rankings can help residents and policymakers address the underlying issues affecting these cities.

Top Pennsylvania Cities in National ‘Dirtiest’ Rankings

Recent studies have highlighted several Pennsylvania cities for their poor cleanliness levels. The rankings are based on multiple factors, including pollution levels, waste management efficiency, and overall livability. The following Pennsylvania cities have been named among the dirtiest in the country:

Philadelphia

Philadelphia has been identified as the dirtiest city in Pennsylvania, ranking 24th nationally. Residents have expressed concerns over pollution, waste management, and deteriorating infrastructure. The increase in industrial activity and urban sprawl has contributed to the worsening environmental conditions.

Pittsburgh

Despite being one of the most well-known cities in the state, Pittsburgh ranks 27th on the national list of dirtiest cities. The city struggles with pollution, waste disposal issues, and overcrowding, making it a challenging place to maintain cleanliness. Air pollution, in particular, remains a concern, with emissions from traffic and industrial zones impacting air quality.

Allentown

Located in eastern Pennsylvania, Allentown ranks 58th nationally. Industrial waste, a lack of green spaces, and inefficient waste management have played a role in Allentown’s ranking. The city is working on improving environmental conditions, but there is still much work to be done.

Scranton

Known for its industrial past, Scranton is 69th on the list. The city has experienced urban decay, which has led to issues with waste management and pollution. As new developments continue to grow, concerns over environmental sustainability have become more prominent.

Understanding the Rankings

The rankings are based on several key factors, each of which impacts the overall cleanliness and livability of a city:

Pollution Levels – Air and water quality assessments reveal the extent of environmental contamination in a city. Higher pollution levels contribute to health risks and lower quality of life.

Living Conditions – Housing quality, waste management efficiency, and public sanitation are critical components of livability. Cities with poor waste disposal systems rank lower in cleanliness.

Infrastructure – Public transportation, road conditions, and green spaces play a role in determining how clean a city appears. Cities with better infrastructure tend to have higher rankings.

Resident Satisfaction – Surveys and feedback from residents help gauge the level of satisfaction with cleanliness and environmental conditions.

Effects of Poor Cleanliness in Cities

Living in a city ranked among the dirtiest can have various negative effects on its residents:

Health Concerns – Higher pollution levels lead to respiratory diseases, allergies, and other health issues.

Economic Impact – Cities known for poor cleanliness often struggle to attract businesses and tourists, which can hurt the local economy.

Quality of Life – Dirty and polluted environments contribute to stress, dissatisfaction, and overall lower happiness among residents.

Efforts to Improve Cleanliness

Recognizing these challenges, several Pennsylvania cities have started implementing programs to improve their environmental conditions:

Philadelphia – Community clean-up initiatives and stricter pollution control regulations have been introduced.

Pittsburgh – Green infrastructure projects, including increased recycling efforts and better waste management, are being prioritized.

Allentown – Revitalization projects in industrial areas aim to reduce pollution and improve air quality.

Scranton – The city is focusing on sustainable urban planning and expanding green spaces to combat urban decay.

While some Pennsylvania cities face significant challenges regarding cleanliness, awareness and proactive measures can lead to meaningful improvements. Residents, local governments, and organizations must work together to address these issues, aiming for a cleaner and healthier environment for all.