Knight_p, Illinois, USA Air Quality

Monitoring Station · Mount Vernon, United States
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
36 7am
26
22
35 10am
35
35
35 1pm
35
35
35 4pm
35
35
35 7pm
35
35
— 10pm
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—
— 1am
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— 4am
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Station readings
26
22
CAMS model adj +11
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Air Quality Forecast (24h)

PM2.55.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

24
Knight_p, Illinois, USA
0.0 km PM2.5: 5.8 µg/m³
13
Knight_p, Illinois, USA
0.0 km PM2.5: 3.1 µg/m³

Nearby Cities

28 Mount Vernon 25 Marion 25 Carbondale 25 Evansville 25 Henderson 25 Paducah 24 Vincennes 25 Cape Girardeau 30 O'Fallon

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T10:47 UTC.