Loyola Medicine Allergy Count
The most recent count for pollen and spores are listed beneath the table below.
The Loyola Medicine Allergy Count, under the direction of Rachna Shah, MD, reports pollen counts each weekday morning in Melrose Park.
Pollen samples are gathered every weekday morning (during allergy season, March to October) from the roof of the Gottlieb Professional Building. Pollen grains and spores are collected from a cubic meter sample of air and counted under a microscope.
Besides appearing on our website, the counts are also available each morning by 7:30 am on a telephone hotline: 1-866-4-POLLEN (1-866-476-5536).
| Source | Peak Season | Low Count | Moderate Count | High Count | ALERT: Those with allergies should stay indoors |
| Grass | May to June | Less than 5 grains | 5 to 20 | 21 to 200 | More than 200 |
| Trees | March to May | Less than 15 grains | 15 to 90 | 91 to 1,500 | More than 1,500 |
| Weed and ragweed | Mid-August to first freeze | Less than 10 grains | 10 to 50 | 51 to 500 | More than 500 |
| Mold | Spring and Fall (damp condition) | Less than 6,500 spores | 6,500 to 13,000 | 13,001 to 50,000 | More than 50,000 |
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