Based on environmental and medical factors, a list of the top 50 worst capitals for fall allergies has been compiled. The capital ranked number 1 on the chart is Harrisburg-Lancaster-Lebanon-York, PA. St. Louis ranked 10 on this list with a score of 92.65 out of 100. Fall allergies consists of tree and weed pollens, molds and some grasses. Some weeds that give people the most trouble in fall is ragweed, lamb’s quarters and goldenrod. Find out more about the top 50 fall allergy capitals by clicking here. The CRC is recruiting for a seasonal allergy study so if you think you have fall allergies, call us to schedule your pre-screen visit. We give you a free skin allergy test to see what you might qualify for. Call us today at 314-514-8509.