Start with the sources
Smoke, cooking, cleaning products, and some household materials can contribute to indoor air pollution. Reducing sources is an important first step. Keep indoor spaces smoke-free and follow product instructions when using household chemicals.
Ventilate when conditions allow
Open windows when outdoor air quality and weather are suitable. Use kitchen and bathroom exhaust fans that vent outdoors where available. During wildfire smoke or high-pollution events, follow local public-health guidance rather than automatically opening windows.
Fresh fragrance is not clean air
Scented candles, incense, and strong fragrances can introduce particles or irritate some people. A pleasant smell is not a measure of healthy air. Houseplants are decorative and should not be relied on to remove indoor pollutants.
Pay attention to dampness
Address leaks and persistent dampness promptly. Keep ventilation equipment maintained and follow manufacturer guidance for filters. If you notice ongoing mold or ventilation problems, consider qualified help to identify and resolve the source.