Pollen Alerts For Big Hole Natl Battlefield, MT

Pollen Index: 9.9 Pollen Level: high Predominant Pollen: Alder, Cedar/Juniper and Poplar/Aspen/Cottonwood. Concentration of pollen grains in the air for Wednesday will be falling but will remain in the high range. The cause for the falling pollen levels is rising humidity, weakening winds and expected precipitation in the evening which tends to wash pollen out of the air.