Allergies & Pollen Count for Hereford, Arizona
Today's Condition
Discussion
Concentration of pollen grains in the air for Tuesday will be on the increase in the moderate range. This rise is a result of seasonally normal weather conditions which are favorable for the production and dispersal of pollen. The increase of this magnitude could make it more difficult for those with allergies.
Allergy Facts
Giant ragweed plants are able to dominate other plants by blocking light from reaching them. One study found that ragweed's canopy is able to reduce light reaching plants beneath it by 95%.