Air Quality in Seattle, United States

Partly Cloudy
12.2°C · 53.4% humidity
12.2°
Feels 12.2°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 4pm
24
17
16 7pm
9
9
9 10pm
9
9
9 1am
22
22
47 4am
47
47
47 7am
47
47
22 10am
22
22
22 1pm
22
22
Station readings
28
24
17
16
16
CAMS model adj -28
50
50
50
37
37
37
37
37
37
37
50
50
75
75
75
75
75
75
50
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

28h · 17 stations
53.4%
Humidity
26.3 km/h
Wind NNW
1017.1 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Seattle?

Temperature & Precipitation

PM2.54.1 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (13 stations within 25 km)
4.1
Median
4.27
Average
3.0
Low
7.77
High
PM2.5 µg/m³ · Model: 4.4 · Bias: +0.3

What is the 7-day forecast for Seattle?

04-09
12.2° 3.2°
04-10
14.2° 3.7°
04-11
9.7° 5.1°
4.13 mm
04-12
9.5° 4.7°
3.69 mm
04-13
9.9° 5.8°
0.56 mm
04-14
10.8° 6.3°
2.75 mm
04-15
11.1° 5.5°
Both models agree Avg diff: 2.3°C

Where are air quality stations near Seattle?

74
10th and Weller, Seattle, Washington, USA
1.4 km
27
10th and Weller, Seattle, Washington, USA
1.4 km
25
Olive St, Seattle, Washington, USA
2.4 km
18
Seattle-16th Ave S
3.2 km PM2.5: 4.3 µg/m³
10
Belvidere
4.5 km 19.7°C 32.5% RH PM2.5: 2.3 µg/m³ PM10: 3.0 µg/m³
12
Seattle-23rd Ave SW
4.5 km PM2.5: 3.0 µg/m³
35
Beacon Hill, Seattle, Washington, USA
4.6 km
30
Duwamish, Seattle, Washington, USA
5.2 km
14
Wallingford Playfield
5.9 km 21.1°C 35.5% RH PM2.5: 3.4 µg/m³ PM10: 4.0 µg/m³
12
AireCiudadano USA Seat 01 27a3fd
6.1 km 0.0°C 0.0% RH PM2.5: 3.0 µg/m³

What cities are near Seattle?

17 Columbia City 17 Mercer Island 17 Kirkland 18 Bryn Mawr-Skyway 17 Bainbridge Island 16 Inglewood-Finn Hill 18 Burien 18 Tukwila 18 Renton 17 Shoreline

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T19:33 UTC.