Northbrk, Illinois, USA Air Quality

Monitoring Station · Northbrook, United States
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
48 5pm
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48 8pm
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48
47 11pm
47
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50 2am
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48 5am
48
8am
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CAMS model adj +23
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27
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PM2.512.6 µg/m³ ✓ WHO
Moderate
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:09 UTC.