Pollen Alerts For Sterling, CO

Pollen Index: 8.1 Pollen Level: medium-high Predominant Pollen: Cedar/Juniper, Maple and Poplar/Aspen/Cottonwood. The pollen levels for Friday will be falling in the moderate range. This lowering of pollen concentrations is a result of falling temperatures and expected precipitation in the morning and evening which tends to wash pollen out of the air.