Seattle-23rd Ave SW Air Quality
Monitoring Station
· Seattle, United States
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
12
9pm
11
15
17
12am
16
16
16
3am
16
16
16
6am
16
16
0
9am
0
0
—
12pm
—
—
—
3pm
—
—
—
6pm
—
—
Station readings
12
11
15
17
CAMS model
adj -38
54
54
54
54
54
54
54
54
54
54
54
54
34
27
25
Air Quality Trend (24h)
PM2.54.1 µg/m³
✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:25 UTC.