Pollen Alerts For Rockwell, IA

Pollen Index: 9.5 Pollen Level: medium-high Predominant Pollen: Ash, Birch and Oak. Concentration of pollen grains in the air for Saturday will be falling in the moderate range. This forecast of lower pollen concentration is based on rising humidity, strong winds and heavy rains in the morning and evening which tend to wash pollen out of the air. That's good news for allergy sufferers.