Stay updated with real-time pollen levels in McHenry, Illinois. Use our interactive maps and forecasts to manage allergies and confidently plan outdoor activities.
Live Pollen Level
High
McHenry, Illinois
Last updated: ... (Local time)

Disclaimer: The information provided is for informational purposes only and should not be considered medical advice. Always consult a healthcare professional for allergy-related concerns.
Low
Moderate
High
Very high
602 ppm
0
95
208
704+
0 ppm
0
30
61
342+
0 ppm
0
21
78
267+
AQI
44
Good
McHenry, Illinois
McHenry, Illinois
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25ppm
Ash
80ppm
Birch
58ppm
Elm
13ppm
Maple
80ppm
Mulberry
245ppm
Oak
16ppm
Pine
0ppm
Ragweed
Moderate
169ppm
Tree
0ppm
Weed
0ppm
Grass
Moderate
141ppm
Tree
0ppm
Weed
0ppm
Grass
High
554ppm
Tree
0ppm
Weed
0ppm
Grass
Moderate
140ppm
Tree
0ppm
Weed
0ppm
Grass
High
232ppm
Tree
0ppm
Weed
0ppm
Grass
Moderate
167ppm
Tree
0ppm
Weed
0ppm
Grass
High

Ambee’s pollen data for Illinois, USA follows National Allergy Bureau (NAB) standards, offering accurate, real-time updates with clear allergy risk levels. Our approach, using machine learning and historical trends, ensures precise, hyper-local pollen forecasts to support allergy management.
Disclaimer: While we strive for accuracy, individual responses to allergens may vary. Always consult a healthcare provider for personal advice.
The pollen data for Mchenry, Illinois is updated every hour.
The pollen risk in Mchenry, Illinois today is considered moderate.
Yesterday, the pollen risk in Mchenry, Illinois was very high.
The ragweed count in Mchenry, Illinois today is 0 ppm.
The oak pollen count in Mchenry, Illinois today is 52 ppm.
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