Poor indoor air can increase the risk of heart disease, cancer, and more.

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“There are pollutants in our daily environment that, if you are sensitive, could have impacts on your breathing,” says Vincent Tubiolo, MD, an allergy, asthma, and immunology specialist in Santa Barbara, Calif. The chilly season, when we keep windows closed to stay warm, can be especially problematic.

From Tubiolo and CR experts, including chief scientific officer James Dickerson, PhD, here are six ways to address indoor air quality trouble spots.

To reveal each tip, click or hover your cursor over (or tap, on mobile) the dots on the illustration below.

Click on black dots to learn more.
Illustration: Chris Philpot
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Check out two strong performers in our air purifier tests.

Editor’s Note: A version of this article also appeared in the December 2022 issue of Consumer Reports On Health.