Allergy : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Pollen Calendar

Pollen Calendar for Midwestern USA

Western USA Northeastern USA Southeastern USA Mid-Atlantic USA

West South-Central Northeast Southeast World

Data for Fargo, ND
  January February March April May June July August September October November December
Trees Fargo, ND Pollen Calendar
Grasses
Weeds
  Data Source : AAAAI, 1999 [ 1 ]

The main tree pollens present in North America, which are responsible for seasonal allergic symptoms, include the alder , oak , western red cedar , elm , birch , ash , hickory , poplar , American sycamore , cypress , and walnut , while the main grass pollens include timothy grass , Bermuda couch grass , orchard grass , sweet vernal grass , red top grass and different types of blue grasses (for example annual and Kentucky).

Weed pollens include the dandelion , goldenrod , nettle and sage but it is the ragweed pollen that causes the most problems in North America.

It should be noted that the presence of these pollens varies between regions. To get a more accurate picture of the pollens present in a particular region and for a pollen forecast, check out the ' Pollen and Spore ' section of the American Academy of Allergy, Asthma and Immunology Online [ 1 ] .


[1] American Academy of Allergy, Asthma and Immunology Online : http://www.aaaai.org
 

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  http://www.hon.ch/Library/Theme/Allergy/Glossary/usmidwest.html Last modified: Wed May 10 2006