Pollen Alerts For Effingham, NH

Pollen Index: 8 Pollen Level: medium-high Predominant Pollen: Ragweed, Chenopods and Grass. Concentration of pollen grains in the air for Thursday will be falling into the extremely low range. This relief in pollen levels is caused in part by rising humidity, strong winds and heavy rains in the afternoon which tend to wash pollen out of the air.