Pollen Alerts For Keystone Resort, CO

Pollen Index: 10.2 Pollen Level: high Predominant Pollen: Maple, Cedar/Juniper and Elm. Based on past pollen counts and expected weather conditions, pollen levels for Sunday will be greater than today's levels and extend even further into the extremely high range. The cause for the rising pollen levels is rising temperatures, strong winds and lower relative humidity.