Washington HS Collocation 3
Monitoring Station
· South Chicago, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
53
6pm
53
53
53
9pm
53
53
66
12am
66
66
66
3am
66
66
66
6am
66
66
—
9am
—
—
—
12pm
—
—
—
3pm
—
—
CAMS model
adj +16
37
37
37
37
37
37
50
50
50
50
50
50
50
50
50
Air Quality Trend (24h)
PM2.59.6 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
46
Washington HS Collocation 1
30
Washington HS Collocation 2
36
East Side 4
30
Hegewisch 1
31
East Side 3
31
South Deering 4
28
South Deering 3
34
South Deering 5
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T21:33 UTC.