Pollen Alerts For Alto Pass, IL

Pollen Index: 11 Pollen Level: high Predominant Pollen: Cedar/Juniper, Maple and Elm. The quantity of pollen grains in the air for Friday will be falling but will remain in the very high range. This lowering of pollen concentrations is a result of rising humidity, relatively calmer winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air.