Allergies & Pollen Count for Woodbridge, Ontario, CA

Today's Condition

5.5Medium

Top Allergens:

Ragweed, Chenopods, Grass

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

Concentration of pollen grains in the air for Tuesday will be increasing over today's levels in the high range. This results in part from rising temperatures, strong winds and lower relative humidity. These overall conditions could make it a bit more difficult for those who are allergic to airborne pollens.

Allergy Facts

Ragweed generally grows in disturbed soil (e.g., tilled agricultural fields, construction sites). Ecologists consider ragweed a pioneer plant for its ability to invade vacant soils or soils that cannot support other vegetation.