Allergy Locator

Hay Fever and Seasonal Allergies in the United States:

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
North West        
Great Plains      
North East        
South West
South Central    
South East  
Legend: - Tree Pollen - Grass Pollen - Weed Pollen - Ragweed Pollen (Ragweed causes Hay Fever)