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

Monitoring Station · Walla Walla, United States
102
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
48 10pm
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75 1am
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75 10am
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CAMS model adj +21
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Air Quality Forecast (24h)

PM2.535.9 µg/m³ ×2.4 WHO
Unhealthy for sensitive groups
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Nearby Monitoring Stations

61
12th St, Walla Walla, Washington, USA
0.0 km PM2.5: 16.9 µg/m³

Nearby Cities

83 Walla Walla 106 Pendleton 102 Pasco 85 Kennewick 84 Tri-Cities 83 Richland 45 Hermiston 81 Lewiston 81 Lewiston Orchards

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T01:19 UTC.