Allergies & Pollen Count for Phoenix, Arizona

Today's Condition

5Medium

Top Allergens:

Ragweed, Chenopods

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 quantity of pollen grains in the air for Tuesday will be increasing in the moderate range. Since the weather has a major influence on pollen dispersal, this increase is due in part to higher temperatures and the lower dewpoint.

Allergy Facts

The English investigator, Charles Blackley, suspected pollen's role in hay fever when some flowers, shaken in his room, releasing a cloud of pollen dust, caused him to sneeze violently.