Our pollution survey is done by 54174 people in 5639 cities.
Numbeo allows you to see, share and compare information about
pollution (and cleanliness and purity) worldwide. It surveys the following about pollution in the cities:
Satisfaction with air quality
Quality and accessibility of drinking water
Water pollution (general)
Satisfaction with garbage disposal
Does people find the city clean and tidy
Noise pollution and light during the night in the city
Green and parks in the city
Feeling of being comfortable to spend time in the city because of the pollution