Des Moines-S 240th St Air Quality

Monitoring Station · Des Moines, United States

18

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

8 11pm

11

15

18 2am

11

11

11 5am

11

11

11 8am

11

11

11 11am

11

13

— 2pm

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— 5pm

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— 8pm

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Station readings

8

11

15

18

CAMS model adj -14

25

24

25

24

25

25

25

25

25

25

25

25

25

25

27

Air Quality Forecast (24h)

PM2.54.2 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

Federal Way-S 300th St

6.3 km PM2.5: 4.0 µg/m³

SeaTac-Sunset Park

10.0 km PM2.5: 3.5 µg/m³

11.5 km PM2.5: 5.1 µg/m³

Tukwilla Allentown, Washington, USA

12.3 km PM2.5: 14.0 µg/m³

Tukwilla Allentown, Washington, USA

12.3 km PM2.5: 12.1 µg/m³

Tukwilla Allentown, Washington, USA

12.3 km PM2.5: 1.4 µg/m³

Auburn-29th Street

13.2 km PM2.5: 4.5 µg/m³

South Park, Seattle, Washington, USA

15.9 km PM2.5: 3.6 µg/m³

Nearby Cities

15 Des Moines 15 Kent 13 SeaTac 15 Federal Way 15 Burien 15 East Hill-Meridian 10 Tukwila 12 Renton 10 Bryn Mawr-Skyway

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:55 UTC.