Allergies & Pollen Count for Grass Valley, California

Today's Condition

4.8Low-Medium

Top Allergens:

Elm, Chenopods

Pollen Index

9.7 - 12 - High

Very high pollen levels. Symptoms are likely for most people with pollen allergies.

7.3 - 9.6 - Medium - High

High enough pollen levels that most allergy sufferers will notice symptoms.

4.9 - 7.2 - Medium

Moderate pollen levels. Many people with allergies may start experiencing symptoms.

2.5 - 4.8 - Low - Medium

Small amounts of pollen present. Highly sensitive individuals may notice mild symptoms.

0.0 - 2.4 - Low

Very little pollen in the air. Most people with pollen allergies will not experience symptoms.

Discussion

Based on past pollen counts and expected weather conditions, pollen levels for Sunday will be falling in the low range. This lower level is caused by falling temperatures, rising relative humidity and weaker winds.

Allergy Facts

Nehemiah Grew, an English physician, was one of the first people to describe pollen. His writings on the subject were published in the late 17th century by the Royal Society of London.