Air Quality in Tri-Cities, United States

Clear
14.9°C · 29.7% humidity
14.9°
Feels 14.9°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
24 1pm
27
32
27 4pm
27
15
2 7pm
2
2
2 10pm
2
2
2 1am
2
2
2 4am
2
2
2 7am
2
15
15 10am
15
15
Station readings
24
27
32
27
29
CAMS model adj -10
37
50
37
37
37
25
12
12
12
12
12
12
12
12
12
12
12
12
12
12
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

27h · 4 stations
29.7%
Humidity
19.5 km/h
Wind NNE
1015.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Tri-Cities?

Temperature & Precipitation

PM2.56.37 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (4 stations within 25 km)
6.37
Median
7.15
Average
4.83
Low
11.04
High
PM2.5 µg/m³ · Model: 2.9 · Bias: -3.5

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

04-09
16.6° 9.6°
04-10
18.7° 9.5°
04-11
19.4° 7.7°
04-12
13.4° 3.8°
04-13
15.3° 6.2°
04-14
15.6° 4.6°
04-15
16.2° 4.7°
Both models agree Avg diff: 2.9°C

Where are air quality stations near Tri-Cities?

20
Metaline, Kennewick, Washington, USA
3.0 km
43
Metaline, Kennewick, Washington, USA
3.0 km
42
Metaline, Kennewick, Washington, USA
3.0 km
26
Kennewick-S Steptoe St
5.8 km PM2.5: 6.3 µg/m³
52
Pasco
7.9 km PM2.5: 12.7 µg/m³
26
Burbank-Maple St
15.3 km PM2.5: 6.2 µg/m³
23
Finley-S Finley Rd
15.9 km PM2.5: 5.5 µg/m³

What cities are near Tri-Cities?

27 Kennewick 27 Pasco 27 Richland 27 Hermiston 33 Sunnyside 27 Walla Walla 27 Pendleton 30 Moses Lake 24 Yakima 20 Ellensburg

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T16:55 UTC.