What is the air quality in Marion today?

The current Air Quality Index (AQI) in Marion is 33 (Good). PM2.5 concentration is 7.9 µg/m³.

What is the temperature in Marion right now?

The current temperature in Marion is 25.7°C (feels like 25.7°C). Humidity is 66.7% and wind speed is 23.5 km/h.

Is it safe to go outside in Marion?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 19.9 (Extreme).

Air Quality in Marion, United States

Partly Cloudy

25.7°C · 66.7% humidity

25.7°

Feels 25.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 12pm

33 3pm

27 6pm

25 9pm

24 12am

25 3am

54 6am

27 9am

Air Quality Index Trend

29h · 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.

66.7%

Humidity

23.5 km/h

Wind SE

1015.3 hPa

Pressure

19.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.9 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Marion?

Temperature & Precipitation

PM2.5 Trend

29h · 2 stations

PM2.57.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX19.9

Extreme

Station readings (1 station within 25 km)

7.9

Median

7.9

Average

7.9

Low

7.9

High

PM2.5 µg/m³ · Model: 9.65 · Bias: +1.8

What is the 7-day forecast for Marion?

07-21

25.7° 22.4°

2.56 mm

07-22

26.6° 19.4°

2.06 mm

07-23

22.3° 16.4°

11.13 mm

07-24

29.0° 16.4°

0.06 mm

07-25

23.2° 16.2°

0.56 mm

07-26

24.2° 20.1°

2.37 mm

07-27

25.1° 18.7°

Both models agree Avg diff: 4.6°C

Where are air quality stations near Marion?

Public Health, Iowa, USA

9.8 km PM2.5: 34.4 µg/m³

Public Health, Iowa, USA

9.8 km PM2.5: 8.2 µg/m³

Public Health, Iowa, USA

9.8 km PM2.5: 7.4 µg/m³

What cities are near Marion?

33 Cedar Rapids 33 North Liberty 33 Coralville 33 Iowa City 30 Waterloo 38 Muscatine 30 Cedar Falls 24 Dubuque 43 Davenport 43 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 2026-07-21T20:30 UTC.