Air Quality in Tacoma, United States
Clear
21.1°C · 42.4% humidity
21.1°
Feels 21.1°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations
Nearby Monitoring Stations
Tacoma's air quality — share it
AQI Forecast
Calibrated
45
7am
40
41
47
10am
44
43
41
1pm
40
40
39
4pm
32
32
31
7pm
31
31
31
10pm
31
31
31
1am
31
31
31
4am
31
31
Station readings
45
40
41
42
CAMS model
adj +4
34
34
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
Air Quality Index Trend
48h · 6 stnTacoma's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
42.4%
Humidity
19.0 km/h
Wind WSW
1015.7 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.24 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Tacoma?
Temperature & Precipitation
PM2.5 Trend
48h · 6 stationsPM2.511.24 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX6.9
High
Station readings (10 stations within 25 km)
11.24
Median
11.32
Average
9.45
Low
12.65
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -3.9
Both models agree
Avg diff: 3.7°C
Where are air quality stations near Tacoma?
190
S 36th St, Tacoma, Washington, USA
16
S 36th St, Tacoma, Washington, USA
33
S 36th St, Tacoma, Washington, USA
39
Tacoma-S Adams St
38
L Street, Tacoma, Washington, USA
35
Federal Way-S 300th St
51
Puyallup-Pioneer Way E
53
Auburn
53
Auburn-29th Street
38
Des Moines-S 240th St
What cities are near Tacoma?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:13 UTC.