Pollen Alerts For San Simeon, CA

Pollen Index: 9.1 Pollen Level: medium-high Predominant Pollen: Oak, Birch and Maple. Concentration of pollen grains in the air for Tuesday will be falling into the very low range. This lowering of pollen concentrations is a result of falling temperatures, rising humidity, and heavy rains in the afternoon and evening which tend to wash pollen out of the air.