Air Quality in Ellensburg, United States
Windy
26.5°C · 16.5% humidity
26.5°
Feels 26.5°
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
72
10am
79
73
64
1pm
67
68
70
4pm
71
80
81
7pm
101
101
102
10pm
102
102
102
1am
102
82
82
4am
82
82
82
7am
82
82
Station readings
72
79
66
76
CAMS model
adj +48
27
25
25
25
25
25
25
25
34
34
54
54
54
54
54
54
54
34
34
34
34
34
34
34
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.
16.5%
Humidity
54.1 km/h
Wind WNW
1009.6 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
18.31 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ellensburg?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.518.31 µg/m³
×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (5 stations within 25 km)
18.31
Median
18.26
Average
14.57
Low
21.73
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -12.3
What is the 7-day forecast for Ellensburg?
07-21
36.4° 14.1°
07-22
32.5° 16.1°
07-23
39.5° 18.8°
07-24
37.9° 15.0°
07-25
32.5° 15.5°
07-26
40.6° 11.4°
07-27
30.5° 15.9°
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 2026-07-21T20:50 UTC.