Stay updated with real-time air quality in Shelton, 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)
25
Good
Shelton, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.00 μg/m³
0
55
155
255
425
605+
27.48 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
2.43 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Shelton, Washington
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AQI 26
Good
3.80μg/m³
PM2.5
16.98μg/m³
PM10
27.54ppb
O3
0.42ppb
SO2
2.53ppb
NO2
0.18ppm
CO
AQI 25
Good
3.81μg/m³
PM2.5
17.02μg/m³
PM10
27.45ppb
O3
0.42ppb
SO2
2.53ppb
NO2
0.18ppm
CO
AQI 26
Good
3.81μg/m³
PM2.5
17.03μg/m³
PM10
27.93ppb
O3
0.42ppb
SO2
2.57ppb
NO2
0.18ppm
CO
AQI 22
Good
4.30μg/m³
PM2.5
19.87μg/m³
PM10
24.04ppb
O3
0.43ppb
SO2
2.84ppb
NO2
0.16ppm
CO
AQI 22
Good
4.30μg/m³
PM2.5
19.87μg/m³
PM10
24.04ppb
O3
0.43ppb
SO2
2.84ppb
NO2
0.16ppm
CO
AQI 25
Good
4.38μg/m³
PM2.5
19.86μg/m³
PM10
27.23ppb
O3
0.42ppb
SO2
2.66ppb
NO2
0.18ppm
CO
The air quality data for Washington, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Shelton, Washington are available every hour.
Shelton, Washington experienced its worst air quality at 01:00:00, 2026-09-07.
The best air quality in Shelton, Washington was observed at 08:00:00 on 2026-09-06.
The air quality in Shelton, Washington right now is Good, with an AQI of 25.
In Shelton, Washington, O3 is the most frequently found pollutant.
When air quality in Shelton, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Shelton, Washington currently has a PM2.5 concentration of 3.2 μg/m3.
Shelton, Washington currently has a PM10 concentration of 14 μg/m3.
The current carbon monoxide (CO) level in Shelton, Washington is 0.184 ppm.
The current sulfur dioxide (SO2) concentration in Shelton, Washington is 0.413 ppb.
Shelton, Washington currently has an ozone (O3) concentration of 27.475 ppm.
The current level of nitrogen dioxide (NO2) in Shelton, Washington is 2.43 ppb.
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