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)
22
Good
Elk Plain, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.27 μg/m³
0
55
155
255
425
605+
23.79 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
2.86 ppb
0
54
101
361
1250
2050+
0.14 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 23
Good
4.00μg/m³
PM2.5
25.18μg/m³
PM10
18.65ppb
O3
0.43ppb
SO2
2.90ppb
NO2
0.14ppm
CO
AQI 22
Good
4.02μg/m³
PM2.5
17.93μg/m³
PM10
21.22ppb
O3
0.44ppb
SO2
2.84ppb
NO2
0.13ppm
CO
AQI 35
Good
3.97μg/m³
PM2.5
38.12μg/m³
PM10
21.01ppb
O3
0.43ppb
SO2
2.94ppb
NO2
0.14ppm
CO
AQI 22
Good
4.03μg/m³
PM2.5
24.15μg/m³
PM10
18.48ppb
O3
0.44ppb
SO2
2.87ppb
NO2
0.14ppm
CO
AQI 22
Good
3.93μg/m³
PM2.5
17.56μg/m³
PM10
22.23ppb
O3
0.44ppb
SO2
2.69ppb
NO2
0.13ppm
CO
AQI 25
Good
4.04μg/m³
PM2.5
23.11μg/m³
PM10
27.17ppb
O3
0.43ppb
SO2
2.53ppb
NO2
0.14ppm
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 2026-09-07.
The best air quality in Elk Plain, Washington was recorded at 08:00:00 on 2026-09-07.
The real-time air quality index in Elk Plain, Washington is 22, 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 4.025 μg/m3.
The current PM10 levels in Elk Plain, Washington are 24.268 μg/m3.
The current carbon monoxide (CO) level in Elk Plain, Washington is 0.141 ppm.
The current sulfur dioxide (SO2) levels in Elk Plain, Washington are 0.434 ppb.
The current ozone (O3) levels at Elk Plain, Washington is 23.789 ppm.
The current nitrogen dioxide (NO2) levels at Elk Plain, Washington is 2.861 ppb.
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