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)
38
Good
Elk Plain, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.32 μg/m³
0
55
155
255
425
605+
19.04 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
7.61 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Elk Plain, Washington
Elk Plain, Washington
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AQI 44
Good
8.42μg/m³
PM2.5
42.24μg/m³
PM10
15.16ppb
O3
0.30ppb
SO2
7.61ppb
NO2
0.13ppm
CO
AQI 49
Good
9.31μg/m³
PM2.5
41.78μg/m³
PM10
16.79ppb
O3
0.28ppb
SO2
17.63ppb
NO2
0.12ppm
CO
AQI 27
Good
4.52μg/m³
PM2.5
21.96μg/m³
PM10
11.53ppb
O3
0.31ppb
SO2
5.05ppb
NO2
0.13ppm
CO
AQI 33
Good
6.28μg/m³
PM2.5
34.98μg/m³
PM10
12.22ppb
O3
0.27ppb
SO2
18.41ppb
NO2
0.13ppm
CO
AQI 49
Good
9.49μg/m³
PM2.5
42.81μg/m³
PM10
16.73ppb
O3
0.27ppb
SO2
17.04ppb
NO2
0.12ppm
CO
AQI 38
Good
7.38μg/m³
PM2.5
31.39μg/m³
PM10
16.03ppb
O3
0.31ppb
SO2
5.85ppb
NO2
0.13ppm
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 05:00:00 on 2026-04-19.
The best air quality in Elk Plain, Washington was recorded at 11:00:00 on 2026-04-20.
The real-time air quality index in Elk Plain, Washington is 38, currently categorized as Good.
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 7.265 μg/m3.
The current PM10 levels in Elk Plain, Washington are 34.319 μg/m3.
The current carbon monoxide (CO) level in Elk Plain, Washington is 0.127 ppm.
The current sulfur dioxide (SO2) levels in Elk Plain, Washington are 0.307 ppb.
The current ozone (O3) levels at Elk Plain, Washington is 19.042 ppm.
The current nitrogen dioxide (NO2) levels at Elk Plain, Washington is 7.607 ppb.
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