Pollen Alerts For Keldron, SD

Pollen Index: 11.1 Pollen Level: high Predominant Pollen: Cedar/Juniper, Alder and Poplar/Aspen/Cottonwood. The amount of pollen in the air for Tuesday will be increasing and extend even further into the extremely high range. The cause for the rising pollen levels is rising temperatures, strong winds and lower relative humidity.