Joliet, Illinois, USA Air Quality

Monitoring Station · Joliet, United States
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 3am
50
61
50 6am
50
50
50 9am
50
50
50 12pm
20
21
21 3pm
21
21
— 6pm
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—
— 9pm
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— 12am
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Station readings
61
CAMS model adj -4
54
54
54
54
54
54
54
54
54
54
24
25
25
25
25

Air Quality Forecast (24h)

PM2.516.9 µg/m³ ×1.1 WHO
Moderate
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Nearby Monitoring Stations

60
Joliet, Illinois, USA
0.0 km PM2.5: 16.4 µg/m³

Nearby Cities

40 Joliet 40 Crest Hill 40 Shorewood 40 Lockport 40 New Lenox 38 Romeoville 40 Homer Glen 38 Lemont 40 Mokena

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T06:31 UTC.