Allergies & Pollen Count for Menlo Park, California

Today's Condition

6Medium

Top Allergens:

Ragweed, 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

Pollen concentrations for Friday will be at about the same level in the moderate range. This is a result of stable temperatures and stable humidity. If you do suffer from allergies, tomorrow should be about as difficult outdoors as it was today.

Allergy Facts

A large nationwide study demonstrated that 18 to 24 year olds are most allergic to ragweed pollen. This is true for both blacks and whites in the survey.