Pollen Alerts For Saint Charles, MO
Pollen Alert
-Pollen Index: 8.5 Pollen Level: medium-high Predominant Pollen: Oak, Mulberry and Hickory/Pecan. Based on past pollen counts and expected weather conditions, pollen levels for Saturday will be rising in the high range. Since the weather has a major influence on pollen dispersal, this increase is due in part to rising temperatures.
0
2.5
4.9
7.3
9.7
12.0
