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
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29 12am
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29 3am
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31 6am
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31 9am
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— 12pm
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CAMS model adj +4
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Air Quality Forecast (24h)

PM2.56.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

20
Near South Side 2
1.4 km PM2.5: 4.7 µg/m³
30
Lower West Side 3
1.4 km PM2.5: 7.3 µg/m³
28
Armour Square 2
1.6 km PM2.5: 6.7 µg/m³
27
Near West Side 4
1.6 km PM2.5: 6.4 µg/m³
25
Near West Side 4
1.9 km PM2.5: 6.1 µg/m³
21
Douglas 1
2.0 km PM2.5: 5.0 µg/m³
22
Near South Side 1
2.1 km PM2.5: 5.3 µg/m³
27
Bridgeport 1
2.2 km PM2.5: 6.4 µg/m³

Nearby Cities

26 Near South Side 26 Chicago 29 Bridgeport 30 Douglas 25 Lower West Side 22 Chicago Loop 31 McKinley Park 33 Grand Boulevard 20 Near North Side

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:24 UTC.