Air quality has improved in recent years, but particulate matter, ozone, nitrogen oxide and ammonia levels are still too high.
How polluted is the air in Switzerland currently?
Air pollution adversely affects humans, ecosystems, buildings, materials and the climate.
Since air pollution knows no international boundaries, Switzerland is actively involved in international bodies to limit air pollution in Europe.
This educational site engages youth aged 13 to 16 with an interactive image and six main questions on the topic of air quality
