10th and Weller, Seattle, Washington, USA Air Quality
Monitoring Station
· Seattle, United States
107
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
72
5pm
72
107
72
8pm
72
72
72
11pm
72
52
52
2am
52
72
72
5am
72
72
—
8am
—
—
—
11am
—
—
—
2pm
—
—
Station readings
107
CAMS model
adj +18
54
54
54
54
54
54
54
54
34
34
34
54
54
54
54
Air Quality Forecast (24h)
PM2.537.9 µg/m³
×2.5 WHO
Unhealthy for sensitive groups
Nearby Monitoring Stations
68
10th and Weller, Seattle, Washington, USA
54
10th and Weller, Seattle, Washington, USA
34
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25
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35
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35
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63
Duwamish, Seattle, Washington, USA
50
Duwamish, Seattle, Washington, USA
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:45 UTC.