1.Outside Air
Most home heating and cooling systems simply recirculate the air that’s already in the house, including all the dust, dirt, and pollen. When the weather’s nice and pollen counts are low, open windows and doors to freshen things up. This is especially important if there are fumes from painting, cooking, kerosene heaters, or hobbies like woodworking.
2.Simple Cleaning Products
Some cleaners have harsh chemicals that can cause breathing problems or trigger an allergy or asthma attack. Read labels carefully and stay away from ones that have volatile organic compounds (VOCs), fragrances, or flammable ingredients. You can make your own cleaners with plain soap and water, vinegar, or baking soda.