Autumn air quality still affects asthma and cardiac patients when wildfire smoke transports or urban pollution lingers on still days. Sensitives should check AirNow before outdoor exercise even when skies look clear.

Schools in smoke-prone regions keep recess policies handy.

Backstory: climate-driven fire seasons lengthened smoke calendars. Engage: AirNow.gov.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.

Why it matters Friday: wait for named-outlet confirmation or a primary document before treating rumors as fact. Sources below link to article-level URLs readers can open directly.