Armour Square 1 Air Quality

Monitoring Station · Near South Side, United States
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
29 9pm
29
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29 12am
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29
29 3am
31
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31 6am
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31 9am
31
31
12pm
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CAMS model adj +4
25
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27
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27
PM2.56.9 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:24 UTC.