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Air quality indices in the Helsinki metropolitan area and Uusimaa

The material contains the air quality indices of HSY’s air quality monitoring sites on an hourly basis. The air quality index divides air quality into five different classes, from good to very poor. The index classes are based on the health effects of air pollutants and on standards. When the air quality is poor, sensitive people may develop symptoms.

The material is updated four times a year (March, June, September and December).

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. http://www.hsy.fi/ilmanlaatu
Geographical coverage
Update frequency
Last modified 12.04.2024
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Created on 24.04.2015