O'Hare 3 Air Quality
Monitoring Station
· Franklin Park, United States
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
41
2pm
29
29
29
5pm
29
29
29
8pm
29
9
9
11pm
2
29
29
2am
29
—
—
5am
—
—
—
8am
—
—
—
11am
—
—
CAMS model
adj -25
66
54
54
54
54
54
54
54
34
34
27
54
54
54
Air Quality Forecast (24h)
PM2.53.4 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T17:04 UTC.