Pollen Alerts For Tiller, OR

Pollen Index: 10 Pollen Level: high Predominant Pollen: Alder, Ash and Poplar/Aspen/Cottonwood The quantity of pollen grains in the air for Sunday will be on the increase and extend further into the very high range. This higher level is caused in part by seasonally normal weather conditions which are favorable for the production and dispersal of pollen.