Stay updated with real-time air quality in Elk Plain, 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)
67
Moderate
Elk Plain, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
64.97 μg/m³
0
55
155
255
425
605+
11.44 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
12.39 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Elk Plain, Washington
Elk Plain, Washington
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AQI 60
Moderate
14.33μg/m³
PM2.5
64.27μg/m³
PM10
9.52ppb
O3
0.54ppb
SO2
12.68ppb
NO2
0.29ppm
CO
AQI 60
Moderate
14.19μg/m³
PM2.5
63.53μg/m³
PM10
6.20ppb
O3
0.56ppb
SO2
10.83ppb
NO2
0.28ppm
CO
AQI 67
Moderate
18.07μg/m³
PM2.5
63.99μg/m³
PM10
9.91ppb
O3
0.51ppb
SO2
9.97ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.20μg/m³
PM2.5
58.49μg/m³
PM10
7.32ppb
O3
0.55ppb
SO2
11.15ppb
NO2
0.29ppm
CO
AQI 58
Moderate
13.34μg/m³
PM2.5
60.05μg/m³
PM10
6.25ppb
O3
0.56ppb
SO2
10.65ppb
NO2
0.29ppm
CO
AQI 54
Moderate
10.59μg/m³
PM2.5
51.62μg/m³
PM10
11.81ppb
O3
0.51ppb
SO2
10.61ppb
NO2
0.30ppm
CO
Air quality measurements for Washington, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Elk Plain, Washington is updated on an hourly basis.
The worst air quality in Elk Plain, Washington was recorded at 03:00:00 on 2026-10-22.
The best air quality in Elk Plain, Washington was recorded at 11:00:00 on 2026-10-22.
The real-time air quality index in Elk Plain, Washington is 67, currently categorized as Moderate.
The most common pollutant in Elk Plain, Washington is PM2.5.
If the air quality in Elk Plain, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Elk Plain, Washington at present are 18.041 μg/m3.
The current PM10 levels in Elk Plain, Washington are 64.966 μg/m3.
The current carbon monoxide (CO) level in Elk Plain, Washington is 0.296 ppm.
The current sulfur dioxide (SO2) levels in Elk Plain, Washington are 0.535 ppb.
The current ozone (O3) levels at Elk Plain, Washington is 11.442 ppm.
The current nitrogen dioxide (NO2) levels at Elk Plain, Washington is 12.386 ppb.
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