What is the air quality in Centralia today?

The current Air Quality Index (AQI) in Centralia is 18 (Good). PM2.5 concentration is 4.3 µg/m³.

What is the temperature in Centralia right now?

The current temperature in Centralia is 27.0°C (feels like 27.0°C). Humidity is 35.7% and wind speed is 68.2 km/h.

Is it safe to go outside in Centralia?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 6.9 (High).

Air Quality in Centralia, United States

Rain

27.0°C · 35.7% humidity

27.0°

Feels 27.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

27 2pm

18 5pm

24 8pm

24 11pm

24 2am

24 5am

25 8am

27 11am

Air Quality Index Trend

48h · 4 stn

View full history →

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

35.7%

Humidity

68.2 km/h

Wind SW

1018.9 hPa

Pressure

6.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.3 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Centralia?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations

PM2.54.3 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX6.9

High

Station readings (2 stations within 25 km)

4.3

Median

4.3

Average

3.8

Low

4.8

High

PM2.5 µg/m³ · Model: 6.25 · Bias: +2.0

What is the 7-day forecast for Centralia?

05-29

27.0° 10.2°

8.25 mm

05-30

16.9° 7.5°

4.44 mm

05-31

26.1° 8.4°

06-01

21.8° 4.1°

06-02

30.7° 7.5°

06-03

22.7° 4.4°

2.44 mm

06-04

16.2° 10.6°

0.06 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Centralia?

Market Blvd, Chehalis, Washington, USA

5.9 km PM2.5: 10.3 µg/m³

Market Blvd, Chehalis, Washington, USA

5.9 km PM2.5: 9.4 µg/m³

What cities are near Centralia?

29 Tumwater 29 Lacey 28 Olympia 14 Spanaway 14 Frederickson 14 Graham 14 Parkland 25 Longview 16 University Place 11 South Hill

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-05-29T00:10 UTC.