Pelkosenniemi is a municipality of Eeastern Lapland in Finland. The population is 916 , which make it the smallest municipality in Lapland in terms of population. It covers an area of 1 881 km² of which 45 km² is water. Pelkosenniemi is surrounded by wild nature and is known of the old-grown forests and extremely high air quality. The sampling location situated in quiet area with the 10 km distance from the center of Pelkosenniemi. The area is in county side with only little traffic. The nearest road, national road 5, is in 65 m from the sampling point.

Pelkosenniemi is a municipality of Eeastern Lapland in Finland. The population is 916 , which make it the smallest municipality in Lapland in terms of population. It covers an area of 1 881 km² of which 45 km² is water. Pelkosenniemi is surrounded by wild nature and is known of the old-grown forests and extremely high air quality. The sampling location situated in quiet area with the 10 km distance from the center of Pelkosenniemi. The area is in county side with only little traffic. The nearest road, national road 5, is in 65 m from the sampling point.

Rovaniemi is the regional capital of Lapland in Finland. The location is near the Arctic Circle in the northern interior of the country. The population is approximately 66 000 and it is the 17th most populous municipality in Finland. Rovaniemi is also the largest city in Europe by land area 8 016 km² of which 435 km² is water. Since the amasing nature and recreational opportunities (i.e. Santa Claus), tourism is an important industry in Rovaniemi. The sampling location situated with distance of 3 km from the city of Rovaniemi. The location is between different business activities and shopping possibilities, thus it is surrounded by roads with moderate activity.