Armour Square 3 Air Quality

Monitoring Station · Douglas, United States
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
59 6pm
58
53
57 9pm
57
57
56 12am
57
59
59 3am
59
57
59 6am
86
98
— 9am
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— 12pm
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— 3pm
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Station readings
59
58
53
CAMS model adj +32
25
25
25
25
25
25
24
25
27
27
27
25
27
54
66

Air Quality Forecast (24h)

PM2.513.1 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

53
Douglas 2
1.2 km PM2.5: 13.1 µg/m³
55
Armour Square 2
1.2 km PM2.5: 13.9 µg/m³
52
Fuller Park 1
1.3 km PM2.5: 12.4 µg/m³
54
Bridgeport 2
1.6 km PM2.5: 13.7 µg/m³
53
Douglas 1
1.8 km PM2.5: 13.2 µg/m³
52
Grand Boulevard 1
1.9 km PM2.5: 12.7 µg/m³
56
New City 2
2.1 km PM2.5: 14.3 µg/m³
53
Bridgeport 1
2.1 km PM2.5: 13.0 µg/m³

Nearby Cities

56 Douglas 55 Grand Boulevard 56 Bridgeport 58 Chicago 57 New City 57 Near South Side 55 Kenwood 56 McKinley Park 56 Lower West Side

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:45 UTC.