Air Quality in Des Moines, United States

Partly Cloudy
15.3°C · 66.7% humidity
15.3°
Feels 15.3°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
17 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 1pm
17
17
60 4pm
48
39
33 7pm
28
25
23 10pm
21
20
19 1am
19
18
18 4am
18
17
17 7am
0
0
0 10am
0
0
Station readings
3
8
11
70
CAMS model adj -37
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
AD 728×90

Air Quality Index Trend

48h · 18 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. Current PM2.5 concentration in Des Moines is 1.1× the WHO 24-hour guideline of 15 µg/m³.

66.7%
Humidity
32.7 km/h
Wind SSW
1017.1 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.56 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Des Moines?

Temperature & Precipitation

PM2.5 Trend

48h · 18 stations
PM2.516.56 µg/m³ ×1.1 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (17 stations within 25 km)
16.56
Median
17.76
Average
0.84
Low
36.7
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -0.2

What is the 7-day forecast for Des Moines?

08-03
32.6° 12.5°
0.06 mm
08-04
27.0° 15.0°
0.06 mm
08-05
32.6° 13.6°
08-06
26.4° 15.9°
0.06 mm
08-07
30.4° 15.3°
08-08
28.7° 11.6°
08-09
27.1° 11.6°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Des Moines?

70
Des Moines-S 240th St
2.3 km PM2.5: 21.0 µg/m³
174
Federal Way-S 300th St
7.9 km PM2.5: 100.3 µg/m³
62
SeaTac-Sunset Park
8.6 km PM2.5: 17.4 µg/m³
70
Tukwilla Allentown, Washington, USA
11.3 km PM2.5: 21.1 µg/m³
56
South Park, Seattle, Washington, USA
14.4 km PM2.5: 14.5 µg/m³
76
South Park, Seattle, Washington, USA
14.4 km PM2.5: 24.0 µg/m³
75
Auburn-29th Street
15.4 km PM2.5: 23.3 µg/m³
72
Seattle-S Myrtle St
15.5 km PM2.5: 21.9 µg/m³
75
Seattle-13th Ave S
15.7 km PM2.5: 23.6 µg/m³
81
Seattle-5th Ave S
15.9 km PM2.5: 26.6 µg/m³

What cities are near Des Moines?

62 SeaTac 62 Kent 61 Burien 63 Federal Way 64 Tukwila 66 East Hill-Meridian 67 Bryn Mawr-Skyway 68 Renton 68 Fairwood 64 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 2026-08-07T23:53 UTC.