Pollen Forecast for Johnston, South Carolina

Based on past pollen counts and expected weather conditions, pollen levels for Wednesday will remain stable in the extremely low range. Since Pollen concentrations are now at such low levels, this is the time for which pollen allergy sufferers have waited.

The amount of pollen in the air for Thursday will be greater than today's levels but will still remain in the low range. The cause for the rising pollen levels is higher temperatures and windy conditions. If you have these allergies, tomorrow will likely be more difficult outdoors.