Air Quality in Marion, United States
Rain
17.1°C · 63.3% humidity
17.1°
Feels 17.1°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Marion's air quality — share it
AQI Forecast
25
4pm
25
25
25
7pm
25
27
27
10pm
27
27
27
1am
27
27
27
4am
27
25
25
7am
25
25
25
10am
25
25
25
1pm
25
25
Air Quality Index Trend
34h · 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. Current PM2.5 concentration in Marion is 1.2× the WHO annual guideline of 5 µg/m³.
63.3%
Humidity
44.7 km/h
Wind NNE
1019.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Marion?
Temperature & Precipitation
PM2.5 Trend
34h · 1 stationPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Marion?
05-29
31.2° 9.7°
4.56 mm
05-30
27.7° 19.6°
0.38 mm
05-31
31.1° 11.4°
06-01
28.6° 17.3°
0.62 mm
06-02
26.2° 13.5°
4.06 mm
06-03
28.5° 22.9°
1.56 mm
06-04
28.0° 23.5°
0.5 mm
Both models agree
Avg diff: 4.7°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 2026-05-29T00:10 UTC.