Crime and Pollution in Cergy

The following data and statistics on crime, pollution, and overall safety in Cergy are derived from a combination of trusted public sources and insights gathered from over 39 user contributions.This comprehensive approach helps provide a balanced view of the city's crime rates, environmental concerns, air quality, and public safety. By aggregating information from government reports, environmental studies, and direct feedback from residents, we aim offer an up-to-date and thorough analysis of key factors impacting quality of life in Cergy.

Crime Data in Cergy

Crime Perception and Concerns

In 2024, Cergy faces a significant challenge with crime, with the crime index indicating a high level of concern among its residents. Public perception points to an increase in both violent and property crimes.

Residents express considerable unease about their safety, particularly at night, which reflects in their behavior and interactions within the community.

Some notable concerns include:
  • Property CrimesProperty crimes such as theft and home break-ins are a major concern in Cergy, contributing to a high level of public anxiety. These issues are perceived as some of the most pressing by the residents.
  • Drug-Related IssuesThere is a notable concern about drug-related crimes in Cergy, with public fears highlighting the impact of drug activity on the community's overall safety and quality of life.
  • Violent CrimesViolent crimes, including mugging and robbery, are significant worries for Cergy's residents. The fear of these crimes affects life in the city, overshadowing daily activities and social interactions.
  • Public SafetyCergy's citizens generally do not feel safe, particularly at night. Even daytime safety is not ensured with concerns about personal and property safety persisting.
Crime Trends and Safety
  • Rising Crime ConcernsThe perception that crime is on the rise in Cergy is prevalent among residents. This worry spans both violent and property crimes, necessitating focused community and law enforcement initiatives.
  • Specific FearsResidents are especially worried about becoming victims of theft and drug-related crimes. Additionally, there is a significant fear of being victimized due to race, ethnicity, or religion, indicating a complex socio-cultural safety landscape.
Worldwide
France

Crime Rankings

The crime ranking by city for France is based on a continuously updated index, incorporating data up to 36 months old and calculated twice a year. Cities are ranked on a scale from "very low" to "very high" crime levels, with safety being the inverse, where a high safety index indicates a safer city.
Highest to LowestUpdated: Oct, 2025
Full Crime Rankings

Pollution Data in Cergy

Air Quality and Pollution Levels

Air quality in Cergy is seen as moderate, yet pollution remains a concern, especially with particulate matters such as PM2.5 and PM10 exceeding advisable limits at times.

The residents' perception of air quality varies, with some appreciation for improvements but a consistent concern over long-term environmental health.

  • PM2.5 (Fine Particulate Matter)PM2.5 levels in Cergy, though manageable, pose health concerns particularly during high pollution days, impacting vulnerable groups significantly.
  • PM10 (Coarse Particulate Matter)PM10 readings in Cergy, while still moderate, pose additional health risks that amplify depending on seasonal and environmental conditions.
Waste and Noise Pollution

Noise pollution is a notable problem in Cergy, with urban and transport activities contributing to constant noise that affects the quality of life.

Garbage disposal satisfaction is neutral among residents, indicating a need for more efficient waste management systems to improve urban cleanliness.

  • Garbage Disposal SatisfactionWhile not a major concern, there is room for improving the effectiveness of garbage disposal services in Cergy to enhance the city's overall cleanliness.
  • Noise and Light PollutionNoise and light pollution rates are moderate but serve as ongoing challenges for many Cergy residents, affecting daily lives and night-time comfort.
Green Spaces and Water Quality

Despite challenges with pollution, Cergy's high-quality drinking water is a significant asset, providing residents with reliable access to clean and safe water.

The city's green spaces are underutilized due to negative perceptions, but they remain an important feature for environmental and recreational purposes.

  • Green and Parks QualityGreen spaces in Cergy have potential but are currently undervalued due to ongoing concerns about maintenance and accessibility.
  • Drinking Water QualityCergy boasts excellent water quality, with residents expressing high satisfaction with its accessibility and purity, enhancing the city's livability.
Worldwide
France

Pollution Rankings

The pollution ranking for France is based on a combination of visitor perceptions and data from institutions like the World Health Organization. The Pollution Index estimates overall pollution levels by considering air and water pollution, garbage disposal, and other factors, with air pollution given the highest weight, while the Pollution Exp Scale uses an exponential function to highlight extremely polluted cities.
Hightest to LowestUpdated: Oct, 2025