According to the municipality, the main sources of air pollution in Utrecht are road traffic, wood burning, fireworks, smoking, industry and mobile equipment such as construction machines. Air pollution from outside the city mainly comes from road traffic (Rijkswegen), industry, agriculture and inland shipping. The most effective measures to tackle these sources are being investigated.
Barbecue ban and smoke-free terraces? There are no sacred cows in Utrecht when it comes to clean air
