Pollen Alerts For Castleton, IL

Pollen Index: 8.5 Pollen Level: medium-high Predominant Pollen: Ragweed, Chenopods and Nettle. The pollen levels for Tuesday will be falling in the moderate range. This relief in pollen levels is caused in part by rising humidity, weak winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air. This will improve your outlook if you have allergies and enjoy the out of doors.