Pollen Alerts For De Smet, SD

Pollen Index: 10.8 Pollen Level: high Predominant Pollen: Cedar/Juniper, Poplar/Aspen/Cottonwood and Elm. Concentration of pollen grains in the air for Wednesday will be on the increase and extend even further into the extremely high range. This higher level is caused in part by rising temperatures, strong winds and lower relative humidity.