What is the air quality in Lacey today?

The current Air Quality Index (AQI) in Lacey is 17 (Good). PM2.5 concentration is 4.1 µg/m³.

What is the temperature in Lacey right now?

The current temperature in Lacey is 17.2°C (feels like 17.2°C). Humidity is 46.9% and wind speed is 15.6 km/h.

Is it safe to go outside in Lacey?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Lacey, United States

Clear

17.2°C · 46.9% humidity

17.2°

Feels 17.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

35 10am

17 1pm

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Station readings

Air Quality Index Trend

48h · 3 stn

View full history →

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.

46.9%

Humidity

15.6 km/h

Wind W

1020.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.1 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Lacey?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations

PM2.54.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

4.1

Median

5.58

Average

3.4

Low

8.55

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +2.4

What is the 7-day forecast for Lacey?

10-20

17.2° 7.8°

2.12 mm

10-21

14.0° 7.4°

0.06 mm

10-22

21.5° 4.5°

0.5 mm

10-23

19.6° 6.3°

0.5 mm

10-24

12.2° 6.1°

2.25 mm

10-25

15.1° 4.8°

10-26

12.5° 6.4°

5.87 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near Lacey?

College St, Lacey, Washington, USA

0.6 km PM2.5: 2.4 µg/m³

College St, Lacey, Washington, USA

0.6 km PM2.5: 4.8 µg/m³

Yelm-Bald Hill Rd SE

21.6 km PM2.5: 11.2 µg/m³

W Franklin, Shelton, Washington, USA

29.0 km PM2.5: 3.1 µg/m³

W Franklin, Shelton, Washington, USA

29.0 km PM2.5: 6.7 µg/m³

What cities are near Lacey?

18 Olympia 17 Tumwater 32 Spanaway 32 University Place 30 Parkland 34 Frederickson 31 Centralia 32 Tacoma 33 Graham 39 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 2026-10-20T20:55 UTC.