Allergies & Pollen Count for Chester Heights, Pennsylvania

Today's Condition

2.5Low-Medium

Top Allergens:

Ragweed

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 Sunday will be falling and will remain in the very low range. The cause for the falling pollen levels is rising humidity, weakening winds and expected precipitation in the morning and evening which tends to wash pollen out of the air.

Allergy Facts

Nehemiah Grew, an English physician, was one of the first people to describe pollen. His writings on the subject were published in the late 17th century by the Royal Society of London.