Cities for Fall Allergies The Asthma and Allergy Foundation of America (AAFA) today released its annual list of the biggest allergy offenders, based on a review of pollen counts, allergy medication usage, and the number of allergists per patient in each area. Dealing With Fall Allergy Symptoms All of these cities fall into the "worse than average" category, so even if you've been through past fall allergy seasons in your city or don't live in one on the Top 25, try these tips from the AAFA . Close windows and doors to keep pollen outside. Keep dust mites where you sleep to a minimum by washing sheets often. Reduce mold presence by decreasing moisture around the house with a dehumidifier. (Keep humidity below 50 percent.) This Site and third parties who place advertisements on this Site may collect and use information about your visits to this Site and other websites in order to provide advertisements about goods and services of interest to you. If you would like to obtain more information about these advertising practices and to make choices about online behavioral advertising, please click here