Gaby
When it’s cold outside, it’s tempting to hunker down and do everything to keep heat from escaping.
But indoor air pollution gets worse in winter—the air inside homes can be up to three times dirtier than the air outside.
One major source is volatile organic compounds (VOCs) — chemicals that off-gas from cleaning products, paint, and furniture. They linger in the air and we inhale them, which can harm our health.
Poor ventilation also raises the risk of mold growth. Mold releases compounds into the air that can trigger respiratory infections, allergies, and asthma.
If you have pets, a good ventilation system is essential. Pet dander can trigger allergic reactions.
Wood-burning stoves are another risk. Even modern models emit fine carbon particles and resin, commonly known as particulate matter (PM). These particles can enter the lungs, causing inflammation, and may reach the brain, potentially increasing the risk of dementia.
Here are several simple, regular steps that can help improve your home’s air.
Open the windows (if your home isn’t near a busy road)
Opening windows, even in winter, is usually a good idea—unless you live near a busy road, which can make indoor air worse.
Use the exhaust fan while cooking
Run the exhaust fan whenever you cook—no exceptions. It’s more effective at removing kitchen smoke than simply opening windows.
Avoid air fresheners and scented candles
Avoid synthetic air fresheners and scented candles. They emit volatile organic compounds that irritate the eyes, nose, and throat and can be especially harmful for people with asthma.
Invest in a dehumidifier
Invest in a dehumidifier if your home has high humidity. Dampness and mold often appear in apartments in winter because of condensation and poor ventilation.
Vacuum carpets and soft surfaces
Vacuum carpets, upholstered chairs, and sofas regularly to remove dust and pet dander. Also clean hard floors.
Buy houseplants
Houseplant leaves absorb airborne pollutants, and microbes in the soil help break those pollutants down. Tijana Blanus of the Royal Horticultural Society recommends hardy, succulent varieties as low-maintenance options. Houseplants are an easy way to help purify indoor air and add moisture, which can ease dry skin in winter.
