Kennewick-S Steptoe St Air Quality

Monitoring Station · Tri-Cities, United States
75
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
84 5pm
98
59
75 8pm
59
59
59 11pm
59
88
88 2am
88
88
88 5am
88
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— 8am
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— 11am
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Station readings
84
98
75
CAMS model adj +34
34
27
25
25
25
25
25
25
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.523.3 µg/m³ ×1.6 WHO
Moderate
View city history →

Gas Pollutants

O₃
50.0
µg/m³

Nearby Monitoring Stations

10
Metaline, Kennewick, Washington, USA
3.6 km PM2.5: 2.4 µg/m³
51
Metaline, Kennewick, Washington, USA
3.6 km PM2.5: 12.1 µg/m³
35
Metaline, Kennewick, Washington, USA
3.6 km PM2.5: 8.4 µg/m³
132
Pasco
13.3 km PM2.5: 47.9 µg/m³
77
Finley-S Finley Rd
17.0 km PM2.5: 24.7 µg/m³
79
Burbank-Maple St
18.1 km PM2.5: 25.6 µg/m³

Nearby Cities

90 Tri-Cities 101 Kennewick 96 Richland 121 Pasco 27 Hermiston 74 Sunnyside 108 Pendleton 125 Walla Walla 147 Moses Lake

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:13 UTC.