Seattle-23rd Ave SW Air Quality

Monitoring Station · Seattle, United States

12

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast

30 6pm

18

14

12 9pm

—

—

— 12am

—

—

— 3am

—

—

— 6am

—

—

— 9am

—

—

— 12pm

—

—

— 3pm

—

—

Station readings

30

18

14

12

Air Quality Forecast (24h)

PM2.53.0 µg/m³ ✓ WHO

Good

View city history →

Nearby Monitoring Stations

1.6 km PM2.5: 0.1 µg/m³

Duwamish, Seattle, Washington, USA

2.1 km PM2.5: 7.9 µg/m³

Duwamish, Seattle, Washington, USA

2.1 km PM2.5: 6.5 µg/m³

Seattle-5th Ave S

3.8 km PM2.5: 2.9 µg/m³

Seattle-16th Ave S

3.9 km PM2.5: 3.8 µg/m³

Beacon Hill, Seattle, Washington, USA

4.0 km PM2.5: 7.0 µg/m³

Beacon Hill, Seattle, Washington, USA

4.0 km PM2.5: 5.0 µg/m³

Beacon Hill, Seattle, Washington, USA

4.0 km PM2.5: 3.1 µg/m³

Nearby Cities

21 Seattle 23 Columbia City 25 Mercer Island 24 Burien 27 Bryn Mawr-Skyway 26 Tukwila 18 Bainbridge Island 26 SeaTac 27 Renton

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-20T21:45 UTC.