Air Quality in Mattoon, United States
Windy
23.8°C · 57.4% humidity
23.8°
Feels 23.8°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Mattoon's air quality — share it
AQI Forecast
25
8pm
25
25
54
11pm
44
39
35
2am
32
30
29
5am
28
27
26
8am
26
26
25
11am
25
25
25
2pm
25
25
25
5pm
25
25
Air Quality Index Trend
29h · 1 stnMattoon's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
57.4%
Humidity
70.5 km/h
Wind NE
1017.8 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.65 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Mattoon?
Temperature & Precipitation
PM2.5 Trend
29h · 1 stationPM2.513.65 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
What is the 7-day forecast for Mattoon?
08-03
25.4° 17.6°
1.19 mm
08-04
31.5° 16.5°
08-05
31.5° 13.4°
8.31 mm
08-06
34.2° 20.7°
4.06 mm
08-07
27.6° 17.0°
08-08
31.8° 22.0°
5.75 mm
08-09
33.6° 24.4°
Both models agree
Avg diff: 2.9°C
What cities are near Mattoon?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T04:42 UTC.