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)
31
Good
Elk Plain, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.94 μg/m³
0
55
155
255
425
605+
32.74 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
2.72 ppb
0
54
101
361
1250
2050+
0.10 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 31
Good
2.50μg/m³
PM2.5
9.51μg/m³
PM10
33.88ppb
O3
0.24ppb
SO2
2.56ppb
NO2
0.10ppm
CO
AQI 31
Good
2.47μg/m³
PM2.5
10.52μg/m³
PM10
33.58ppb
O3
0.24ppb
SO2
2.79ppb
NO2
0.10ppm
CO
AQI 31
Good
2.42μg/m³
PM2.5
9.28μg/m³
PM10
33.39ppb
O3
0.24ppb
SO2
2.51ppb
NO2
0.10ppm
CO
AQI 31
Good
2.57μg/m³
PM2.5
9.50μg/m³
PM10
33.18ppb
O3
0.24ppb
SO2
2.60ppb
NO2
0.10ppm
CO
AQI 31
Good
2.24μg/m³
PM2.5
9.49μg/m³
PM10
33.67ppb
O3
0.24ppb
SO2
2.79ppb
NO2
0.10ppm
CO
AQI 31
Good
2.51μg/m³
PM2.5
17.38μg/m³
PM10
33.41ppb
O3
0.22ppb
SO2
2.60ppb
NO2
0.10ppm
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 08:00:00 on 2025-10-25.
The best air quality in Elk Plain, Washington was recorded at 02:00:00 on 2025-10-25.
The real-time air quality index in Elk Plain, Washington is 31, currently categorized as Good.
The most common pollutant in Elk Plain, Washington is O3.
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 2.53 μg/m3.
The current PM10 levels in Elk Plain, Washington are 13.481 μg/m3.
The current carbon monoxide (CO) level in Elk Plain, Washington is 0.1 ppm.
The current sulfur dioxide (SO2) levels in Elk Plain, Washington are 0.239 ppb.
The current ozone (O3) levels at Elk Plain, Washington is 33.708 ppm.
The current nitrogen dioxide (NO2) levels at Elk Plain, Washington is 2.588 ppb.
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