The development team is on vacation from June 25th to July 27th. Service maintenance and possible bug fixes will also be on summer break. General advice on the services of the Digital and Population Data Agency: organisaatiopalvelut@dvv.fi.

Have a nice summer!

Helsingin seudun ympäristöpalvelut (HSY)

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Air quality monitoring sites and annual nitrogen dioxide (NO2) averages in the Helsinki metropolitan area

Monitoring site data includes permanent monitoring sites, mobile monitoring sites and passive samplers, as well as the annual average concentrations (μg/m3) of nitrogen dioxide (NO2) measured at these sites in...

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