Air Quality in Marion, United States

Partly Cloudy
14.5°C · 66.0% humidity
14.5°
Feels 14.5°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 2pm
25
25
32 5pm
30
29
28 8pm
27
26
26 11pm
26
25
25 2am
25
25
24 5am
24
24
24 8am
24
25
25 11am
25
25
AD 728×90

Air Quality Index Trend

34h · 1 stn

Marion'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 1.5× the WHO annual guideline of 5 µg/m³.

66.0%
Humidity
35.3 km/h
Wind NE
1028.4 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Marion?

Temperature & Precipitation

PM2.5 Trend

34h · 1 station
PM2.57.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (1 station within 25 km)
7.7
Median
7.7
Average
7.7
Low
7.7
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -0.6

What is the 7-day forecast for Marion?

05-28
25.1° 10.2°
34.31 mm
05-29
28.9° 5.0°
05-30
21.9° 11.5°
15.31 mm
05-31
28.6° 12.3°
1.31 mm
06-01
27.4° 15.7°
10.31 mm
06-02
22.3° 15.6°
0.31 mm
06-03
30.0° 22.5°
Both models agree Avg diff: 5.6°C

Where are air quality stations near Marion?

11
Public Health, Iowa, USA
9.8 km PM2.5: 2.6 µg/m³
67
Public Health, Iowa, USA
9.8 km PM2.5: 19.7 µg/m³
61
Public Health, Iowa, USA
9.8 km PM2.5: 16.9 µg/m³

What cities are near Marion?

32 Cedar Rapids 27 North Liberty 27 Coralville 27 Iowa City 53 Waterloo 65 Muscatine 53 Cedar Falls 18 Dubuque 56 Davenport 54 Rock Island
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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 2026-05-28T22:52 UTC.