Showcases - Traffic noise zones in Helsinki metropolitan area - Helsinki Region Infoshare

12.10.2012 - Helsingin kaupunkiympäristön toimiala

License

Creative Commons Attribution 4.0

Stats

Weekly visits for last 12 months

Data since 1.6.2014

Visits:: During last 30 days: 11; During last 12 months: 213; Since 1.6.2014: 1475