Allergies & Pollen Count for Acton, Ontario, CA

Today's Condition

4Low-Medium

Top Allergens:

Ragweed, Chenopods, Sagebrush/Sage

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 Wednesday will be increasing over today's levels in the moderate range. The cause for the rising pollen levels is rising temperatures, strong winds and lower relative humidity.

Allergy Facts

A recent study conducted in Italy demonstrated that ragweed pollen now occurs in the atmosphere of some Italian cities. This pollen comes from ragweed species that are native to North America which may have been accidentally introduced in Europe.