Air Quality in Ellensburg, United States
Windy
27.9°C · 17.9% humidity
27.9°
Feels 27.9°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations
Nearby Monitoring Stations
Ellensburg's air quality — share it
AQI Forecast
Calibrated
79
11am
73
66
64
2pm
67
68
70
5pm
80
80
101
8pm
101
101
102
11pm
102
102
102
2am
82
82
82
5am
82
82
82
8am
82
75
Station readings
79
66
76
CAMS model
adj +48
25
25
25
25
25
25
25
34
34
54
54
54
54
54
54
54
34
34
34
34
34
34
34
27
Air Quality Index Trend
46h · 4 stnEllensburg's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Ellensburg is 1.2× the WHO 24-hour guideline of 15 µg/m³.
17.9%
Humidity
115.4 km/h
Wind NW
1007.1 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
18.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ellensburg?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.518.1 µg/m³
×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (5 stations within 25 km)
18.1
Median
17.57
Average
14.25
Low
20.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -12.1
Both models agree
Avg diff: 3.7°C
Where are air quality stations near Ellensburg?
50
Ruby St, Ellensburg, Washington, USA
62
Ellensburg-Discovery Hall
70
Ellensburg-N Cora St
56
Ellensburg-Mountain View Ave
What cities are near Ellensburg?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:31 UTC.