12th St, Walla Walla, Washington, USA Air Quality

Monitoring Station · Walla Walla, United States
72
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
160 11pm
45
72
60 2am
60
80
80 5am
92
92
109 8am
109
110
110 11am
172
92
— 2pm
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— 5pm
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— 8pm
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Station readings
160
45
72
CAMS model adj +26
54
34
34
34
34
54
54
66
66
83
83
84
84
146
66

Air Quality Forecast (24h)

PM2.522.1 µg/m³ ×1.5 WHO
Moderate
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Nearby Monitoring Stations

117
12th St, Walla Walla, Washington, USA
0.0 km PM2.5: 42.0 µg/m³

Nearby Cities

103 Walla Walla 54 Pendleton 76 Pasco 79 Kennewick 82 Tri-Cities 79 Richland 54 Hermiston 154 Lewiston 154 Lewiston Orchards

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T02:57 UTC.