Stay updated with real-time air quality in Ellensburg, Washington featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
Ellensburg, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.98 μg/m³
0
55
155
255
425
605+
21.10 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
6.53 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ellensburg, Washington
Ellensburg, Washington
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AQI 54
Moderate
10.99μg/m³
PM2.5
14.05μg/m³
PM10
14.86ppb
O3
0.24ppb
SO2
8.30ppb
NO2
0.10ppm
CO
AQI 33
Good
6.45μg/m³
PM2.5
28.74μg/m³
PM10
20.98ppb
O3
0.26ppb
SO2
9.29ppb
NO2
0.10ppm
CO
AQI 33
Good
6.49μg/m³
PM2.5
28.94μg/m³
PM10
20.87ppb
O3
0.25ppb
SO2
9.31ppb
NO2
0.10ppm
CO
AQI 54
Moderate
10.88μg/m³
PM2.5
47.90μg/m³
PM10
29.39ppb
O3
0.40ppb
SO2
9.07ppb
NO2
0.10ppm
CO
AQI 49
Good
9.32μg/m³
PM2.5
41.36μg/m³
PM10
25.84ppb
O3
0.39ppb
SO2
8.95ppb
NO2
0.10ppm
CO
AQI 33
Good
6.09μg/m³
PM2.5
26.97μg/m³
PM10
17.92ppb
O3
0.41ppb
SO2
5.83ppb
NO2
0.10ppm
CO
Air quality data and pollutant measurements for Washington, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Ellensburg, Washington is updated every hour.
The worst air quality in Ellensburg, Washington in the last 24 hours was observed at 01:00:00 on 2025-07-18.
In the last 24 hrs, the best air quality in Ellensburg, Washington was observed at 08:00:00 on 2025-07-17.
The current air quality in Ellensburg, Washington is 49, categorized as Good based on real-time data.
The most common pollutant in Ellensburg, Washington is PM2.5.
If the air quality in Ellensburg, Washington is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Ellensburg, Washington is 8.799 μg/m3.
The current PM10 concentration at Ellensburg, Washington is 38.983 μg/m3.
The current carbon monoxide (CO) concentration at Ellensburg, Washington is 0.1 ppm.
The current sulfur dioxide (SO2) concentration at Ellensburg, Washington is 0.246 ppb.
The current ozone (O3) concentration at Ellensburg, Washington is 27.771 ppm.
The current nitrogen dioxide (NO2) concentration at Ellensburg, Washington is 8.322 ppb.
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