Pollen Alerts For Warren, MI

Pollen Index: 10.1 Pollen Level: high Predominant Pollen: Poplar/Aspen/Cottonwood, Ash and Birch. The pollen levels for Friday 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 falling temperatures, lack of strong winds and expected precipitation in the afternoon which tends to wash pollen out of the air.