10 Key Considerations for Municipalities and Governments

Clean and healthy air is a fundamental requirement for any community's well-being. 91 percent of the world's population lives in places that exceed the air quality guidelines of the World Health Organisation (WHO). Around 4.2 million deaths per year worldwide are attributed to air pollution, according to the WHO. The most dangerous pollutants in urban air are particulate matter, ground-level ozone, nitrogen dioxide, and sulphur dioxide.