Pollen counts are updated daily from February 15 to November 15.
Food, pollens, animals, feathers, insect body parts and feces, sulfites (food preservative), dust.
Cloth, upholstered furniture, bedding, carpets, draperies, brooms, dirty air filters on furnaces and air conditioners, pets.
Fear, anger, frustration, laughing too hard, crying, coughing, stress.
Wheezing may begin after overexertion, exercising in cold weather.
Vapors from cleaning supplies, paints, solvents, sprays from furniture polish, starch, cleaners, room deodorizers.
Colds, other viruses: Bronchitis, Tonsillitis, Sinusitis.
Dust, vapors, or fumes from wood products, flour, cereals, coffee, tea, grains, metals, soldering fumes, welding fumes, cotton, flax, hemp, mold.
Changes in the weather, traffic jams, smog, parking jams, smoke filled rooms.
From cigarettes, cigars, pipes, second hand smoke.
Exercising in cold air, changes in the seasons.