Knight_p, Illinois, USA Air Quality

Monitoring Station · Mount Vernon, United States
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
15 3am
48
31
31 6am
31
31
31 9am
31
31
31 12pm
51
51
51 3pm
51
51
— 6pm
—
—
— 9pm
—
—
— 12am
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Station readings
15
48
CAMS model adj -3
34
34
34
34
34
34
34
34
34
34
54
54
54
54
54

Air Quality Forecast (24h)

PM2.511.5 µg/m³ ✓ WHO
Good
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Nearby Cities

34 Mount Vernon 42 Marion 42 Carbondale 45 Evansville 45 Henderson 45 Paducah 45 Vincennes 45 Cape Girardeau 54 O'Fallon

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