Many air fresheners release organic gases into the air along with fragrance. Follow manufacturers' instructions and use natural products to keep the air in your home fresh and clean.
Use paints, solvents, adhesives and cleaning sprays that are free of volatile organic compounds (VOCs). Look for non-aerosol and non-toxic products and use carefully.
Clean, vacuum and wash bedding in hot water on a regular basis to rid your home of dust mites.
Cars, lawnmowers and anything else with an engine are sources of carbon monoxide and combustion byproducts. Turn them off once they are in the garage to prevent these gases from spreading throughout the home.
Invisible, odorless and tasteless, radon is a cancer-causing, radioactive gas, according to the EPA. Testing for it is relatively inexpensive, and you can do it yourself: Just pick up a test at your hardware store and perform the test in minutes. If it comes back at 4 picocuries per liter or higher, hire an experienced radon contractor to fix your home.
The chemicals in pesticides and fertilizers may be toxic, so use natural methods when possible. Keep the bug sprays and plant food that you use outside, as well as the tools you use to mix and apply them. Also, be sure to take your shoes and gloves off before going inside to avoid bringing the chemicals with you.
A damp, dark basement is a breeding ground for mold and mildew. To help keep the basement dry, install roof gutters and downspouts that do not empty too close to the foundation of your home. Apply waterproof sealants to the basement's interior walls, and grade soil away from the home.
Many common houseplants that help to clean air indoors. Scientists at NASA have studied a variety of plants that actually remove toxic gases from the air in homes. Some of the most effective air-purifying plants are: heartleaf philodendrons; elephant-ear philodendrons; English ivy; peace lilies; bamboo; and weeping figs.