Ambient air quality

The air quality portal displays real-time measured concentrations of ambient air pollutants and modelled air quality levels in major cities. The parameters measured in real time are indicative and may be specified after data validation and periodic calibration of monitoring equipment. During the vegetation period (March-October), the portal displays the levels of allergenic pollen measured as part of the pollen monitoring.

In addition to the concentration of the pollutant, the measured levels are characterized on a five-point scale - very good, good, average, bad and very bad. The level of air quality at the monitoring station is determined by the content of the highest level of pollutant.

Data from the last year can be downloaded from the portal. For previous data, please contact the Estonian Environmental Research Center: www.klab.ee

The ambient air limit values valid in Estonia have been established by Regulation No. 75 of the Minister of the Environment of 27 December 2016 “Air quality limit and target values, other air quality limit values and air quality assessment limits”. In the European Union, limit values for 13 priority pollutants are mandatory for all Member States. In addition, limit values apply to a further 25 substances and substance classes in Estonia.

The table shows the limit values (micrograms per cubic meter) for pollutants to be determined in the framework of national monitoring. The number in parentheses indicates that the limit value may be exceeded several times a year.

The table shows the annual average target value (nanograms per cubic meter) for heavy metals and benzo (a) pyrene. The content of PM10 fraction is determined by laboratory analysis and is calculated per cubic meter of air.

Estonian Environmental Research Center
Air Quality and Climate Department
Marja 4D, 10617 Tallinn

Erik Teinemaa
Head of Department
phone 50 04353
erik.teinemaa@klab.ee
www.klab.ee