Frequently, pollen counts will be reported on the weather channel, the local radio station or in your local newspaper. Animals shed small scales called dander from their hair, fur or feathers. Animal dander often stays in carpets and mattresses for an extended period of time. Try to keep your pets outdoors or, at the very least, out of your bedroom. Bathe them weekly, if possible.
Dust mites are tiny transparent creatures that feed on human skin flakes.
They live in mattresses, pillows and upholstered furniture especially in bedrooms, where you spend a lot of time sleeping. Wash your sheets and blankets in hot water once a week. Dust with a damp cloth and clean wood and vinyl flooring with a damp mop. Mold is a fungus that grows in humid, damp conditions. It can take the form of spores, which float in the air.