What is the air quality in Marion today?

The current Air Quality Index (AQI) in Marion is 15 (Good). PM2.5 concentration is 3.6 µg/m³.

What is the temperature in Marion right now?

The current temperature in Marion is 13.8°C (feels like 13.8°C). Humidity is 66.0% and wind speed is 24.1 km/h.

Is it safe to go outside in Marion?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Marion, United States

Partly Cloudy

13.8°C · 66.0% humidity

13.8°

Feels 13.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 11pm

15 2am

21 5am

26 8am

25 11am

25 2pm

24 5pm

25 8pm

Air Quality Index Trend

39h · 2 stn

View full history →

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.

66.0%

Humidity

24.1 km/h

Wind SE

1012.4 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Marion?

Temperature & Precipitation

PM2.5 Trend

39h · 2 stations

PM2.53.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

3.6

Median

3.6

Average

3.6

Low

3.6

High

PM2.5 µg/m³ · Model: 6.25 · Bias: +2.7

What is the 7-day forecast for Marion?

06-09

30.0° 13.8°

06-10

22.9° 19.0°

9.19 mm

06-11

27.6° 17.9°

06-12

25.9° 19.3°

2.06 mm

06-13

26.6° 21.9°

0.19 mm

06-14

31.6° 14.2°

0.31 mm

06-15

28.4° 24.0°

0.56 mm

Both models agree Avg diff: 5.9°C

Where are air quality stations near Marion?

Public Health, Iowa, USA

9.8 km PM2.5: 9.4 µg/m³

Public Health, Iowa, USA

9.8 km PM2.5: 7.9 µg/m³

Public Health, Iowa, USA

9.8 km PM2.5: 18.8 µg/m³

What cities are near Marion?

15 Cedar Rapids 14 North Liberty 14 Coralville 14 Iowa City 38 Waterloo 25 Muscatine 38 Cedar Falls 13 Dubuque 26 Davenport 25 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 2026-06-09T07:43 UTC.