Allergies & Pollen Count for Hollister, Missouri
Today's Condition
Discussion
Pollen concentrations for Tuesday will be higher than they were today and extend further into the very high range. The cause for the rising pollen levels is rising temperatures, strong winds and lower relative humidity.
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%.