HSY monitors the air quality at 11 monitoring stations around the Helsinki Metropolitan Area. Air quality is continuously monitored in the influence areas of traffic and small-scale combustion as well as in the background areas, such as Luukki and Kallio.

Permanent monitoring stations:a = Mannerheimintie, busy city centre b = Mäkelänkatu, street canyon c = Kallio, residential area in inner city d = Vartiokylä, residential area e = Leppävaara, busy district centre f = Luukki, rural background g = Tikkurila, busy district centre | Mobile monitoring stations year 2019: a = Länsiväylä, busy highway b = West Harbour, harbour c =Talvikkitie Tikkurila, busy city centre d = Pirkkola, residential area |
The air quality index results of last 12 hours are
available for each measurement site by selecting the site from the shortcut
menu of this web page.
The air quality of the Helsinki region has been measured in over a hundred locations »