concentrations of air pollutants, HSY also monitors weather factors. Variables
to be monitored are the outside temperature, wind speed and direction, and the
relative air humidity.
monitoring sites are located in Pasila and Ämmässuo. The monitoring site in
Pasila is at Asemamiehenkatu 4, where the measuring height is 53 m above the
earth’s surface and 78 m above sea level. The monitoring site at Ämmässuo in
Espoo is located in the area of the HSY Waste Treatment Centre.