Air Quality in Walla Walla, United States

Clear
22.6°C · 25.4% humidity
22.6°
Feels 22.6°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
25 10am
25
25
15 1pm
18
20
21 4pm
22
22
23 7pm
23
23
25 10pm
25
25
25 1am
27
27
25 4am
25
25
25 7am
25
25
AD 728×90

Air Quality Index Trend

45h · 2 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.

25.4%
Humidity
39.3 km/h
Wind N
1016.0 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Walla Walla?

Temperature & Precipitation

PM2.5 Trend

45h · 2 stations
PM2.53.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
3.5
Median
3.5
Average
3.4
Low
3.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.5

What is the 7-day forecast for Walla Walla?

05-29
32.4° 11.1°
0.25 mm
05-30
24.0° 14.1°
0.06 mm
05-31
36.8° 18.7°
06-01
27.9° 7.1°
06-02
33.7° 15.8°
06-03
27.5° 7.8°
06-04
25.2° 11.3°
0.69 mm
Both models agree Avg diff: 5.7°C

Where are air quality stations near Walla Walla?

11
12th St, Walla Walla, Washington, USA
0.9 km PM2.5: 2.6 µg/m³
25
12th St, Walla Walla, Washington, USA
0.9 km PM2.5: 6.0 µg/m³

What cities are near Walla Walla?

24 Pendleton 53 Pasco 68 Kennewick 83 Tri-Cities 59 Richland 19 Hermiston 34 Lewiston 34 Lewiston Orchards 13 Pullman 13 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 2026-05-29T20:11 UTC.