Air Pollution and Children: Why Young Lungs Are More Vulnerable

Air Pollution and Children: Why Young Lungs Are More Vulnerable

Children are particularly vulnerable to air pollution because their lungs and other body systems are still developing, they breathe more air relative to their body size than adults, and they often spend more time being physically active outdoors. This guide explains how pollutants such as PM2.5, ozone and nitrogen dioxide can affect children, why exposure … Read more

Do Air Purifiers Improve Air Quality? HEPA Filters, Room Size, Placement and When They Help

Do Air Purifiers Improve Air Quality? HEPA Filters, Room Size, Placement and When They Help

A good air purifier can substantially reduce airborne particles in a room—but only when the filtration technology, CADR, room size, placement and operating conditions are appropriate for the problem being addressed. This guide explains what air purifiers can and cannot remove, how HEPA filtration and CADR relate to real-world performance, why room volume and runtime … Read more

Wildfire Smoke and Air Quality: PM2.5, Health Risks and How to Protect Yourself

Wildfire Smoke and Air Quality: PM2.5, Health Risks and How to Protect Yourself

Wildfire smoke can travel hundreds or even thousands of kilometres, affecting air quality far beyond the fire itself. Much of the health concern comes from fine particulate matter (PM2.5), which can penetrate deep into the lungs and make outdoor—and sometimes indoor—air unhealthy. This guide explains how wildfire smoke affects AQI, who may be most vulnerable, … Read more