Pollen Alerts For Petersburg, CA
Pollen Alert
-Pollen Index: 10.3 Pollen Level: high Predominant Pollen: Mulberry, Ash and Walnut. Concentration of pollen grains in the air for Friday will be falling but will remain in the high range. This decrease is due to lack of strong winds.
0
2.5
4.9
7.3
9.7
12.0
