Pollen Forecast for Alton, Virginia

Concentration of pollen grains in the air for Thursday will be increasing over today's levels but will remain in the extremely low range. This forecast of higher pollen concentration is based on strong winds and decreasing humidity.

The pollen levels for Friday will be falling and will remain in the extremely low range. This relief in pollen levels is caused in part by rising humidity, weakening winds and expected precipitation in the morning and evening which tends to wash pollen out of the air.