Air Quality in Tumwater, United States

Partly Cloudy
15.6°C · 68.2% humidity
15.6°
Feels 15.6°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
31 9pm
28
20
52 12am
47
44
41 3am
39
36
37 6am
37
34
34 9am
34
33
35 12pm
35
35
35 3pm
35
35
35 6pm
35
35
Station readings
31
28
20
25
CAMS model adj +8
27
27
27
27
27
27
27
27
25
27
27
25
25
25
25
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

44h · 3 stn

Tumwater's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

68.2%
Humidity
31.3 km/h
Wind SW
1017.1 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
52
12.6 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

44h · 3 stations
PM2.512.6 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
12.6
Median
12.6
Average
12.6
Low
12.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -6.3
08-03
33.4° 7.7°
08-04
28.1° 10.6°
0.06 mm
08-05
27.0° 9.2°
08-06
23.4° 11.8°
08-07
30.2° 11.9°
08-08
26.0° 10.7°
08-09
23.6° 8.8°
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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 2026-08-08T07:30 UTC.