Air Quality in Walla Walla, United States
Clear
27.6°C · 22.8% humidity
27.6°
Feels 27.6°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Walla Walla's air quality — share it
AQI Forecast
Calibrated
31
8am
31
4
18
11am
13
10
7
2pm
5
4
3
5pm
6
5
3
8pm
3
2
2
11pm
2
2
4
2am
4
4
11
5am
123
61
Station readings
20
21
22
20
CAMS model
adj -23
54
54
27
25
25
25
24
24
24
24
27
27
25
25
25
25
25
25
27
27
27
34
146
84
Air Quality Index Trend
45h · 1 stnWalla 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.
22.8%
Humidity
36.0 km/h
Wind NNW
1017.4 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.4 µg/m³
PM10▲
27.45 µg/m³
050100150200300500
What is the weather forecast for Walla Walla?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.54.4 µg/m³
✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (2 stations within 25 km)
4.4
Median
4.4
Average
3.8
Low
5.0
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +2.7
What is the 7-day forecast for Walla Walla?
09-05
29.8° 13.5°
09-06
28.2° 16.9°
09-07
28.7° 11.9°
09-08
31.8° 13.3°
09-09
33.3° 16.5°
09-10
39.9° 13.3°
09-11
33.9° 15.6°
Both models agree
Avg diff: 5.4°C
Where are air quality stations near Walla Walla?
21
12th St, Walla Walla, Washington, USA
18
12th St, Walla Walla, Washington, USA
22
12th St, Walla Walla, Washington, USA
20
12th St, Walla Walla, Washington, USA
What cities are near Walla Walla?
Get AQI alerts for Walla Walla
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T18:55 UTC.