What is the air quality in Tri-Cities today?

The current Air Quality Index (AQI) in Tri-Cities is 5 (Good). PM2.5 concentration is 1.32 µg/m³.

What is the temperature in Tri-Cities right now?

The current temperature in Tri-Cities is 24.7°C (feels like 24.7°C). Humidity is 33.4% and wind speed is 46.7 km/h.

Is it safe to go outside in Tri-Cities?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 12.9 (Extreme).

Air Quality in Tri-Cities, United States

Windy

24.7°C · 33.4% humidity

24.7°

Feels 24.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

4 8am

5 11am

4 2pm

4 5pm

4 8pm

4 11pm

4 2am

4 5am

Station readings 20h ago

AQI 1

PM2.5 0.2 µg/m³ · 20h ago

CAMS model adj -20

Air Quality Index Trend

47h · 6 stn

View full history →

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

33.4%

Humidity

46.7 km/h

Wind SW

1008.6 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

1.32 µg/m³

PM10▲

20.55 µg/m³

050100150200300500

What is the weather forecast for Tri-Cities?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations

PM2.51.32 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX12.9

Extreme

Station readings (4 stations within 25 km)

1.32

Median

1.2

Average

0.85

Low

1.45

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +4.6

What is the 7-day forecast for Tri-Cities?

06-08

28.4° 17.7°

1.31 mm

06-09

26.9° 14.5°

06-10

26.6° 15.2°

06-11

27.3° 16.1°

06-12

31.3° 13.6°

06-13

36.6° 12.5°

06-14

32.5° 16.8°

Both models agree Avg diff: 3.5°C

Where are air quality stations near Tri-Cities?

Metaline, Kennewick, Washington, USA

3.0 km PM2.5: 10.1 µg/m³

Metaline, Kennewick, Washington, USA

3.0 km PM2.5: 2.2 µg/m³

Metaline, Kennewick, Washington, USA

3.0 km PM2.5: 3.1 µg/m³

Kennewick-S Steptoe St

5.8 km PM2.5: 1.0 µg/m³

Pasco

7.9 km PM2.5: 4.7 µg/m³

Burbank-Maple St

15.3 km PM2.5: 0.8 µg/m³

Finley-S Finley Rd

15.9 km PM2.5: 1.4 µg/m³

What cities are near Tri-Cities?

5 Kennewick 5 Pasco 5 Richland 25 Hermiston 30 Sunnyside 6 Walla Walla 25 Pendleton 12 Moses Lake 15 Yakima 5 Ellensburg

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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 2026-06-08T18:09 UTC.