Air Quality in Marion, United States
Windy
26.6°C · 46.4% humidity
26.6°
Feels 26.6°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Marion's air quality — share it
AQI Forecast
54
6pm
34
34
42
9pm
40
38
57
12am
56
56
55
3am
35
35
34
6am
34
54
54
9am
54
54
54
12pm
54
54
54
3pm
54
54
Air Quality Index Trend
27h · 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.
46.4%
Humidity
73.2 km/h
Wind NE
1016.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Marion?
Temperature & Precipitation
PM2.5 Trend
27h · 1 stationPM2.510.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Marion?
08-03
31.4° 19.4°
08-04
35.1° 19.0°
08-05
34.5° 13.6°
2.87 mm
08-06
38.6° 21.0°
4.63 mm
08-07
32.7° 19.1°
08-08
36.7° 24.2°
1.88 mm
08-09
38.5° 25.6°
0.06 mm
Both models agree
Avg diff: 3.1°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 2026-08-08T02:58 UTC.