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MED
15 active species
Refreshing live forecast…
4-Day Forecast:
Morning
Grass LOW
Tree MED
Weed LOW
Afternoon
Grass MED
Tree MED
Weed MED
Evening
Grass HIGH
Tree MED
Weed MED
SpeciesLevelCount
🌳 Holm OakMED39 grains/m³
🌳 OliveMED22 grains/m³
🌾 Perennial RyegrassMED19 grains/m³
🌾 Cock's-footMED16 grains/m³
🌾 Grass (mixed)MED14 grains/m³
+35 more tracked
Bermuda Grass Timothy Grass Pellitory-of-the-wall Upright Pellitory Ribwort Plantain Stinging Nettle Pigweed Common Sorrel Fat Hen Russian Thistle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Parthenium Weed London Plane Black Poplar Mesquite White Oak English Oak Field Elm
All species in the app: Android iOS
Last updated: 14:03 UTC
4-Day ForecastTreeGrassWeed
Wed 20 MayMEDMEDMED
Thu 21 MayMEDHIGHMED
Fri 22 MayHIGHHIGHMED
Sat 23 MayHIGHHIGHMED

Map of Chicago (41.8781°, -87.6298°)

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What Pollen Levels Mean
LOW Symptoms are unlikely
MED Moderate risk of symptoms
HIGH Widespread symptoms likely
V.HI Expect significant symptoms
X.HI Extremely high symptom likelihood & severity