Knight_p, Illinois, USA Air Quality

Monitoring Station · Mount Vernon, United States
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
43 11pm
30
45
30 2am
30
30
30 5am
30
30
30 8am
30
30
30 11am
30
50
— 2pm
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— 5pm
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— 8pm
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Station readings
43
45
CAMS model adj -4
34
34
34
34
34
34
34
34
34
34
34
34
34
34
54

Air Quality Forecast (24h)

PM2.510.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

48
Knight_p, Illinois, USA
0.0 km PM2.5: 11.5 µg/m³
53
Knight_p, Illinois, USA
0.0 km PM2.5: 13.1 µg/m³

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 2026-08-08T02:57 UTC.