Air Quality in Ellensburg, United States

Windy
25.2°C · 18.8% humidity
25.2°
Feels 25.2°
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
89 1pm
68
59
70 4pm
68
66
58 7pm
57
57
63 10pm
63
63
62 1am
62
62
62 4am
62
62
62 7am
62
62
62 10am
62
55
Station readings
89
68
59
59
CAMS model adj +28
54
54
54
34
34
34
27
27
27
34
34
34
34
34
34
34
34
34
34
34
34
34
34
27
AD 728×90

Air Quality Index Trend

44h · 4 stn

Ellensburg'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 1.4× the WHO 24-hour guideline of 15 µg/m³.

18.8%
Humidity
109.0 km/h
Wind NW
1009.2 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
70
21.17 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Ellensburg?

Temperature & Precipitation

PM2.5 Trend

44h · 4 stations
PM2.521.17 µg/m³ ×1.4 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
21.17
Median
19.91
Average
17.75
Low
22.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -7.7

What is the 7-day forecast for Ellensburg?

08-03
40.0° 13.6°
08-04
32.2° 15.4°
08-05
33.9° 17.1°
08-06
27.6° 18.6°
08-07
37.8° 16.5°
08-08
30.7° 9.0°
08-09
29.4° 12.2°
Both models agree Avg diff: 4.4°C

Where are air quality stations near Ellensburg?

61
Ruby St, Ellensburg, Washington, USA
0.4 km PM2.5: 16.9 µg/m³
55
Ellensburg-Discovery Hall
0.8 km PM2.5: 13.8 µg/m³
54
Ellensburg-N Cora St
1.3 km PM2.5: 13.3 µg/m³
48
Ellensburg-Mountain View Ave
1.3 km PM2.5: 11.4 µg/m³

What cities are near Ellensburg?

81 Yakima 378 Wenatchee 84 Sunnyside 106 Moses Lake 73 Maple Valley 79 Richland 64 Covington 64 Bonney Lake 75 Issaquah 79 City of Sammamish
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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 2026-08-07T23:59 UTC.