Allergies & Pollen
Pollen Forecast for Johannesburg, California
8.8
Medium-High
Alder, Ash and Cedar/Juniper
Today
Concentration of pollen grains in the air for Monday will be greater than today's levels in the high range. This increase is due to drier air.
Outlook
The amount of pollen in the air for Tuesday will be falling but will remain in the high range. The cause for the falling pollen levels is lack of winds and expected precipitation in the afternoon which tends to wash pollen out of the air.
