Air Quality in Olympia, United States

Overcast
8.1°C · 98.5% humidity
8.1°
Feels 5.4°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
24 2am
24
24
15 5am
20
21
23 8am
24
22
23 11am
23
23
23 2pm
23
23
23 5pm
23
23
23 8pm
24
24
24 11pm
24
23
Station readings 38h ago
AQI 23
PM2.5 5.6 µg/m³ · 38h ago
AD 728×90

Air Quality Index Trend

48h · 6 stn

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

98.5%
Humidity
16.0 km/h
Wind WSW
1015.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.74 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Olympia?

Temperature & Precipitation

PM2.5 Trend

48h · 6 stations
PM2.53.74 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
3.74
Median
1.85
Average
0.5
Low
4.3
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.2
Both models agree Avg diff: 5.4°C

Where are air quality stations near Olympia?

25
College St, Lacey, Washington, USA
6.3 km PM2.5: 6.0 µg/m³
8
W Franklin, Shelton, Washington, USA
24.1 km PM2.5: 1.9 µg/m³
17
W Franklin, Shelton, Washington, USA
24.1 km PM2.5: 4.1 µg/m³
–
Yelm-Bald Hill Rd SE
27.3 km PM2.5: 0.0 µg/m³

What cities are near Olympia?

18 Tumwater 18 Lacey 12 University Place 15 Spanaway 2 Centralia 18 Parkland 12 Frederickson 16 Tacoma 12 Graham 2 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 2026-06-09T12:21 UTC.