Pollen Alerts For Lebanon, TN

Pollen Index: 9.2 Pollen Level: medium-high Predominant Pollen: Ragweed and Grass. Pollen concentrations for Thursday will be falling in the moderate range. The cause for the falling pollen levels is rising humidity, weak winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air. The lower pollen levels are significant and should help allergy sufferers to cope tomorrow.