Hermiston Municipal Airport, Oregon, USA Air Quality

Monitoring Station · Hermiston, United States
82
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
71 7pm
82
71
71 10pm
71
71
98 1am
98
98
98 4am
98
98
98 7am
98
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Station readings
82
CAMS model adj +44
27
27
27
27
27
27
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.526.8 µg/m³ ×1.8 WHO
Moderate
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Nearby Cities

27 Hermiston 84 Pendleton 86 Kennewick 85 Tri-Cities 99 Pasco 83 Richland 109 Walla Walla 59 Sunnyside 55 Yakima

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T22:36 UTC.