Pollen Alerts For Ursa, IL

Pollen Index: 10.5 Pollen Level: high Predominant Pollen: Ragweed, Nettle and Chenopods. The pollen levels for Wednesday will be falling but will remain in the high range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to rising humidity, weak winds and expected precipitation in the morning which tends to wash pollen out of the air.