Air Quality in Walla Walla, United States

Clear
20.6°C · 17.6% humidity
20.6°
Feels 20.6°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
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Station readings
34
42
28
27

Air Quality Index Trend

47h · 1 stn

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

17.6%
Humidity
19.0 km/h
Wind NW
1018.7 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
29
6.9 µg/m³
PM10▲
76
104.9 µg/m³
050100150200300500

What is the weather forecast for Walla Walla?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.56.9 µg/m³ ✓ WHO
Good
PM10104.9 µg/m³
Moderate
UV INDEX0.0
Low
Station readings (3 stations within 25 km)
6.9
Median
6.9
Average
5.8
Low
8.2
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +6.6

What is the 7-day forecast for Walla Walla?

10-20
20.6° 12.0°
10-21
19.1° 11.4°
10-22
20.4° 7.0°
10-23
19.1° 7.4°
10-24
15.5° 7.5°
1.25 mm
10-25
15.5° 6.7°
10-26
17.4° 12.7°
Both models agree Avg diff: 4.8°C

Where are air quality stations near Walla Walla?

27
12th St, Walla Walla, Washington, USA
0.9 km PM2.5: 6.5 µg/m³
28
12th St, Walla Walla, Washington, USA
0.9 km PM2.5: 6.7 µg/m³
34
12th St, Walla Walla, Washington, USA
0.9 km PM2.5: 8.2 µg/m³

What cities are near Walla Walla?

25 Pendleton 40 Pasco 34 Kennewick 33 Tri-Cities 32 Richland 22 Hermiston 59 Lewiston 64 Lewiston Orchards 35 Pullman 35 Moscow
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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 2026-10-20T20:00 UTC.