Air pollution
Facts and statistics about air pollution in Norway
Wood-burning stoves

Wood-burning stoves
On cold days, high concentrations of wood-burning particles in the air can be a problem in densely populated areas.
Air pollution in Norway

Folkehelserapporten: Air pollution in Norway
Air pollution due to particulate matter (PM), nitrogen dioxide and ozone is a major cause of health problems and disease worldwide.
Summary

Håndbok for uteluft - luftkvalitetskriterier: Summary
The purpose of the air quality criteria is to prevent health effects of air pollution. The criteria are set so low that most people can be exposed to these levels without any adverse effects on health.