Washington HS Collocation 1 Air Quality
Monitoring Station
· South Chicago, United States
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
54
5pm
61
54
54
8pm
54
54
54
11pm
54
56
56
2am
56
56
56
5am
56
—
—
8am
—
—
—
11am
—
—
—
2pm
—
—
Station readings
61
CAMS model
adj +29
25
25
25
25
25
25
25
25
27
27
27
27
27
27
Air Quality Forecast (24h)
PM2.516.9 µg/m³
×1.1 WHO
Moderate
Nearby Monitoring Stations
39
Washington HS Collocation 3
32
Washington HS Collocation 2
63
East Side 4
62
Hegewisch 1
59
East Side 3
63
South Deering 4
60
South Deering 3
62
South Deering 5
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:15 UTC.