Air Quality in Des Moines, United States

Clear
21.6°C · 41.4% humidity
21.6°
Feels 21.6°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
20 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
46 10am
46
46
40 1pm
42
43
44 4pm
44
25
25 7pm
25
46
46 10pm
46
46
46 1am
46
26
26 4am
19
46
46 7am
46
46
Station readings
43
44
54
42
CAMS model adj -8
54
54
54
54
54
54
54
54
34
34
34
54
54
54
54
54
54
34
34
27
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 17 stn

Des Moines's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

41.4%
Humidity
15.6 km/h
Wind SW
1015.5 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.57 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Des Moines?

Temperature & Precipitation

PM2.5 Trend

48h · 17 stations
PM2.59.57 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (20 stations within 25 km)
9.57
Median
11.71
Average
7.55
Low
30.35
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +3.9

What is the 7-day forecast for Des Moines?

07-21
32.8° 12.6°
07-22
26.5° 14.1°
07-23
32.9° 17.3°
07-24
31.0° 14.1°
07-25
25.2° 15.2°
07-26
32.3° 11.8°
07-27
30.0° 14.2°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Des Moines?

38
Des Moines-S 240th St
2.3 km PM2.5: 9.2 µg/m³
34
Federal Way-S 300th St
7.9 km PM2.5: 8.2 µg/m³
51
SeaTac-Sunset Park
8.6 km PM2.5: 12.1 µg/m³
34
Tukwilla Allentown, Washington, USA
11.3 km PM2.5: 8.2 µg/m³
59
Tukwilla Allentown, Washington, USA
11.3 km PM2.5: 15.9 µg/m³
51
Tukwilla Allentown, Washington, USA
11.3 km PM2.5: 12.1 µg/m³
59
Auburn
13.7 km PM2.5: 16.1 µg/m³
48
South Park, Seattle, Washington, USA
14.4 km PM2.5: 11.5 µg/m³
47
South Park, Seattle, Washington, USA
14.4 km PM2.5: 11.3 µg/m³
51
Auburn-29th Street
15.4 km PM2.5: 12.2 µg/m³

What cities are near Des Moines?

48 SeaTac 44 Kent 49 Burien 34 Federal Way 49 Tukwila 48 East Hill-Meridian 51 Bryn Mawr-Skyway 51 Renton 49 Fairwood 48 Covington
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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.