Spring Allergies
Pollen, coming mainly from trees, is a spring threat to allergy sufferers. Trees can begin pollinating as early as January depending on where you live.
Winter Allergies
Outdoor pollen levels are usually low when it turns cold, but you are more susceptible to allergens that are found indoors: dust mites, mold and pet dander.
Fall Allergies
Ragweed is the main allergy trigger in the fall. Mold spores are another autumn trigger, and thrive on wet leaves and soil.
Summer Allergies
Pollen is the most prominent summer allergen, which comes from grass and flowers at this time of year. Dry, hot days can also trigger allergies, as air pollution such as ozone and smog are at their peak. For those in humid areas, molds can grow quickly in warm, moist climates.
Indoor Allergens
Year-round allergies are always lurking, but tend to flare up during the winter. When it is cold outside, you spend more time inside. Windows that are locked shut, fireplaces, and heating vents that are not fully cleaned create excess dust and contribute to poor overall indoor air quality.
Pet Allergies
Pet dander allergens are present year-round as well, and also tend to flare up during the winter months, when walks and trips outside get much shorter.