Outdoor air quality
Air pollution is a major public health concern. More than 7 million people around the world die each year from air pollution. Air pollution can occur anywhere. Some of the most common sources of outdoor air pollution include motor vehicles, fires and industrial facilities.
Pollutants of major public health concern include particulate matter, carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide. Both outdoor and indoor air pollution cause respiratory and other diseases, which can be fatal.
Climate change and lung health
Diesel emissions and electric school buses
How to protect your lungs on hot and humid days
Indoor air quality
On average, Canadians spend 90 percent of their time indoors. For this reason, our indoor air quality is an important health concern.
Everyone's health can be affected by indoor air quality problems. People with asthma, allergies or lung disease can be greatly affected by poor indoor air quality. Poor indoor air quality can affect development in children and has been linked to lung disease later in life.
A room-by-room tour of what you can do to improve air quality in your home
Self-assessment quiz for indoor air quality
One-hour projects for every season that will improve the air in your home