Air Quality in Lacey, United States

Windy
16.2°C · 65.2% humidity
16.2°
Feels 16.2°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
57 4pm
51
45
52 7pm
51
51
51 10pm
51
51
51 1am
51
51
51 4am
49
51
51 7am
49
49
49 10am
49
51
51 1pm
51
51
Station readings
57
51
45
52
CAMS model adj +24
27
27
27
27
27
27
27
27
27
27
27
27
27
25
27
27
25
25
25
25
27
27
27
27
AD 728×90

Air Quality Index Trend

44h · 3 stn

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

65.2%
Humidity
40.5 km/h
Wind SW
1017.1 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.6 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Lacey?

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
Station readings (2 stations within 25 km)
12.6
Median
13.88
Average
12.6
Low
15.15
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -6.1

What is the 7-day forecast for Lacey?

08-03
34.9° 7.7°
08-04
28.6° 11.3°
0.06 mm
08-05
29.6° 9.5°
08-06
24.7° 11.8°
08-07
31.9° 11.6°
08-08
28.0° 9.3°
08-09
25.7° 7.6°
Both models agree Avg diff: 4.4°C

Where are air quality stations near Lacey?

52
College St, Lacey, Washington, USA
0.6 km PM2.5: 12.6 µg/m³
51
College St, Lacey, Washington, USA
0.6 km PM2.5: 12.1 µg/m³
61
Yelm-Bald Hill Rd SE
21.6 km PM2.5: 17.0 µg/m³
49
W Franklin, Shelton, Washington, USA
29.0 km PM2.5: 11.8 µg/m³
51
W Franklin, Shelton, Washington, USA
29.0 km PM2.5: 12.1 µg/m³
43
W Franklin, Shelton, Washington, USA
29.0 km PM2.5: 10.3 µg/m³

What cities are near Lacey?

51 Olympia 52 Tumwater 61 Spanaway 64 University Place 58 Parkland 62 Frederickson 57 Centralia 67 Tacoma 62 Graham 61 Puyallup
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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 2026-08-08T02:59 UTC.