Air Quality in Marion, United States
Cloudy
22.6°C · 85.7% humidity
22.6°
Feels 22.6°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Marion's air quality — share it
AQI Forecast
27
5am
27
27
27
8am
27
34
54
11am
54
54
54
2pm
54
54
54
5pm
54
54
54
8pm
54
54
54
11pm
54
34
34
2am
27
25
Air Quality Index Trend
24h · 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.
85.7%
Humidity
14.0 km/h
Wind N
1017.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Marion?
Temperature & Precipitation
PM2.5 Trend
24h · 1 stationPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Marion?
07-21
31.5° 22.6°
0.44 mm
07-22
25.8° 21.4°
2.5 mm
07-23
20.8° 17.4°
6.81 mm
07-24
27.2° 17.5°
2.06 mm
07-25
27.2° 19.9°
0.13 mm
07-26
31.8° 21.2°
6.38 mm
07-27
30.3° 21.1°
Both models agree
Avg diff: 4.0°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 2026-07-21T13:35 UTC.