Allergies & Pollen Count for Duarte, California

Today's Condition

6.9Medium

Top Allergens:

Grass, Chenopods, Elm

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 Monday will be greater than today's levels in the high range. This results in part from seasonally normal weather conditions which are favorable for the production and dispersal of pollen. If you have these allergies, tomorrow will likely be more difficult outdoors.

Allergy Facts

Before Europeans settled in North America, ragweed plants were confined to riverbanks, flood plains and naturally eroded areas. As the Europeans disturbed the natural flora, ragweed spread widely, especially in the Northeast and Midwest.