Pollen Alerts For Blue River, CO

Pollen Index: 10.8 Pollen Level: high Predominant Pollen: Elm, Maple and Poplar/Cottonwood Based on past pollen counts and expected weather conditions, pollen levels for Thursday will be increasing over today's levels and extend further into the very high range. The cause for the rising pollen levels is rising temperatures, strong winds and lower relative humidity.