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Air pollutant concentrations in the Helsinki metropolitan area

Monthly and annual averages of air pollutants in the Helsinki metropolitan area, concentrations comparable to standards, maximum hourly values and data on the temporal representativeness of monitoring.

Data resources

Additional Info

Collection Open Data
Maintainer Helsingin seudun ympäristöpalvelut (HSY)
Maintainer email
  1. avoindata@hsy.fi
Maintainer website http://www.hsy.fi/avoindata
Links to additional information
  1. https://www.hsy.fi/ilmanlaatu
Geographical coverage
Update frequency
Last modified 04.04.2024
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Created on 02.09.2015