When people are active, they breathe more deeply and more often, which increases the amount of air pollution they breathe in. The level of air pollution that causes health problems is different for each person. For some, a simple activity such as walking the dog may cause difficulty while others may not be affected until they do heavier activity like yard work or running.

Often air pollution can’t be seen or smelled, so it’s hard to judge air pollution levels. Be sure to check air quality before taking part in outdoor activities, especially if you’re in a high-risk group.

Learn more about how air quality conditions can affect your health (http://www.doh.wa.gov/ehp/smokefactsheet.pdf) and what to take into account when you plan outdoor activities (http://www.doh.wa.gov/ehp/oehas/pubs/outdoorair.pdf).

Information on air quality conditions (https://fortress.wa.gov/ecy/enviwa/Default.htm) can be found on the state Department of Ecology Web site or online at one of seven local clean air agencies (http://www.ecy.wa.gov/programs/air/local.html). Updates on air quality are available by subscribing to the American Lung Association of Washington “Breathe Easy Network” (www.alaw.org/air_quality/e-forecast_service). Color-coded information on these sites lists air quality in different zones going from good (green) to hazardous (maroon). Plan outdoor activities for days when air quality is in the “good” or green zone.