The dataset shows the areas where the annual limit value for nitrogen dioxide (40 µg/m3) has exceeded or has been in danger of exceeding. In 2022 it was estimated that the annual limit value of nitrogen dioxide will...
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...
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.
This dataset contains emissions data of the Helsinki metropolitan area's district heating by production method (by power plant and heating plant) and by sector (households, services and public sector, industry) in...
The material contains information on greenhouse gas emissions from traffic in the Helsinki metropolitan area by mode of transport (passenger cars, vans, buses, trucks, motorcycles, ships and boats, and rail transport)...