Union Gap-4th St Air Quality

Monitoring Station · Yakima, United States
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
8 7pm
8
9
10 10pm
9
9
10 1am
12
12
12 4am
12
12
12 7am
12
12
— 10am
—
—
— 1pm
—
—
— 4pm
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Station readings
8
8
9
10
CAMS model adj -15
24
24
24
24
24
24
25
27
27
27
27
27
27
27
27

Air Quality Trend (24h)

PM2.52.3 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

161
4th Ave, Yakima, Washington, USA
5.0 km PM2.5: 74.9 µg/m³
23
4th Ave, Yakima, Washington, USA
5.0 km PM2.5: 5.5 µg/m³
25
4th Ave, Yakima, Washington, USA
5.0 km PM2.5: 6.0 µg/m³
27
4th Ave, Yakima, Washington, USA
5.0 km PM2.5: 6.5 µg/m³
10
Moxee-E Seattle Ave
7.5 km PM2.5: 2.5 µg/m³
55
Yakama Tribe, Toppenish, Washington, USA
22.6 km PM2.5: 14.0 µg/m³
15
Yakama Tribe, Toppenish, Washington, USA
22.6 km PM2.5: 3.6 µg/m³

Nearby Cities

14 Yakima 23 Sunnyside 20 Ellensburg 19 Richland 29 Wenatchee 20 Tri-Cities 20 Kennewick 26 Pasco 28 Moses Lake

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-28T22:54 UTC.