What is the air quality in Centralia today?

The current Air Quality Index (AQI) in Centralia is 31 (Good). PM2.5 concentration is 7.45 µg/m³.

What is the temperature in Centralia right now?

The current temperature in Centralia is 17.0°C (feels like 17.0°C). Humidity is 50.1% and wind speed is 7.1 km/h.

Is it safe to go outside in Centralia?

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

Air Quality in Centralia, United States

Partly Cloudy

17.0°C · 50.1% humidity

17.0°

Feels 17.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 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.

50.1%

Humidity

7.1 km/h

Wind SW

1020.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.45 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Centralia?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.57.45 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

7.45

Median

7.45

Average

7.2

Low

7.7

High

PM2.5 µg/m³ · Model: 6.5 · Bias: -0.9

What is the 7-day forecast for Centralia?

10-20

17.0° 7.2°

1.81 mm

10-21

13.7° 7.1°

0.19 mm

10-22

20.5° 4.3°

0.19 mm

10-23

19.2° 6.0°

0.25 mm

10-24

11.7° 6.5°

2.69 mm

10-25

15.0° 4.5°

10-26

11.5° 6.7°

6.13 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near Centralia?

Market Blvd, Chehalis, Washington, USA

5.9 km PM2.5: 7.2 µg/m³

Market Blvd, Chehalis, Washington, USA

5.9 km PM2.5: 7.2 µg/m³

What cities are near Centralia?

17 Tumwater 17 Lacey 18 Olympia 32 Spanaway 34 Frederickson 33 Graham 30 Parkland 17 Longview 32 University Place 38 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 2026-10-20T20:55 UTC.