Pollen Forecast for Coulee Dam, Washington
Today
Concentration of pollen grains in the air for Tuesday will be increasing over today's levels but will stay in the very low range. The cause for the rising pollen levels is seasonally normal weather conditions which are favorable for the production and dispersal of pollen.
Outlook
The quantity of pollen grains in the air for Wednesday will be falling and will remain in the extremely low range. The cause for the falling pollen levels is falling temperatures, rising relative humidity and weaker winds.