Wildfires in British Columbia have us coughing here in the Pacific Northwest. But outdoor adventurers, runners, bicyclists, and anyone used to frolicking outside might be getting antsy after a few days of bad air quality.

And while members of sensitive groups — including kids, older adults, pregnant women, people with breathing or heart problems, people with diabetes, and people who have had strokes — should adhere to safety guidelines set by air-quality forecasters and public-health officials, bad air quality doesn’t necessarily have