Union Gap-4th St Air Quality

Monitoring Station · Yakima, United States
86
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
55 1am
52
68
86 4am
67
67
67 7am
67
67
67 10am
67
67
67 1pm
67
67
— 4pm
—
—
— 7pm
—
—
— 10pm
—
—
Station readings
55
52
68
86
CAMS model adj +33
34
27
27
27
34
34
34
34
34
34
34
34
34
34
34

Air Quality Forecast (24h)

PM2.528.9 µg/m³ ×1.9 WHO
Moderate
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Nearby Monitoring Stations

109
4th Ave, Yakima, Washington, USA
5.0 km PM2.5: 38.7 µg/m³
93
Moxee-E Seattle Ave
7.5 km PM2.5: 32.1 µg/m³
65
Yakama Tribe, Toppenish, Washington, USA
22.6 km PM2.5: 18.8 µg/m³
57
Yakama Tribe, Toppenish, Washington, USA
22.6 km PM2.5: 15.0 µg/m³

Nearby Cities

81 Yakima 84 Sunnyside 70 Ellensburg 79 Richland 378 Wenatchee 82 Tri-Cities 79 Kennewick 76 Pasco 106 Moses Lake

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T04:53 UTC.