Allergies & Pollen Count for Saint Louis, Missouri

Today's Condition

10.3High

Top Allergens:

Ragweed, Chenopods, Nettle

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

The pollen levels for Tuesday will be greater than today's levels and extend even further into the extremely high range. This is likely to be caused in part by higher temperatures and the lower dewpoint.

Allergy Facts

Ragweed is a member of the Aster family, a collection of plants that includes about 25,000 species. Ragweed's relatives include sunflowers and dandelions.