Air Quality in Marion, United States
Rain
23.2°C · 93.8% humidity
23.2°
Feels 23.2°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Marion's air quality — share it
AQI Forecast
54
8am
54
54
45
11am
28
29
31
2pm
32
32
33
5pm
33
33
34
8pm
54
54
54
11pm
54
54
54
2am
54
54
54
5am
54
54
Air Quality Index Trend
22h · 1 stnMarion's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
93.8%
Humidity
52.5 km/h
Wind SSE
1018.3 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.85 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Marion?
Temperature & Precipitation
PM2.5 Trend
22h · 1 stationPM2.510.85 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Marion?
09-05
29.4° 20.3°
8.94 mm
09-06
36.7° 19.8°
3.75 mm
09-07
31.0° 21.2°
09-08
25.8° 19.2°
0.88 mm
09-09
35.6° 14.7°
0.13 mm
09-10
36.3° 17.8°
0.06 mm
09-11
38.2° 20.1°
1.63 mm
Both models agree
Avg diff: 5.7°C
What cities are near Marion?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:32 UTC.