Pollen Forecast for Tunnel Hill, Illinois

Concentration of pollen grains in the air for Saturday will be falling and will remain in the extremely low range. This lower level is caused by falling temperatures, rising humidity and heavy rains in the morning and evening which tend to wash pollen out of the air.

The pollen levels for Sunday will remain relatively stable in the extremely low range. Only trace amounts of pollen are in the air at this time. The next higher pollen levels in the area will from the early tree pollen types.