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)
26
Good
Shelton, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.00 μg/m³
0
55
155
255
425
605+
28.29 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
6.08 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 27
Good
4.52μg/m³
PM2.5
19.74μg/m³
PM10
28.06ppb
O3
0.33ppb
SO2
7.99ppb
NO2
0.17ppm
CO
AQI 27
Good
4.50μg/m³
PM2.5
19.64μg/m³
PM10
28.11ppb
O3
0.33ppb
SO2
8.00ppb
NO2
0.17ppm
CO
AQI 27
Good
3.81μg/m³
PM2.5
16.52μg/m³
PM10
29.25ppb
O3
0.33ppb
SO2
7.93ppb
NO2
0.17ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
32.02μg/m³
PM10
20.80ppb
O3
0.31ppb
SO2
10.00ppb
NO2
0.19ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
32.02μg/m³
PM10
20.80ppb
O3
0.31ppb
SO2
10.00ppb
NO2
0.19ppm
CO
AQI 44
Good
7.50μg/m³
PM2.5
26.68μg/m³
PM10
28.98ppb
O3
0.31ppb
SO2
9.49ppb
NO2
0.16ppm
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, 2025-10-24.
The best air quality in Shelton, Washington was observed at 03:00:00 on 2025-10-23.
The air quality in Shelton, Washington right now is Moderate, with an AQI of 54.
In Shelton, Washington, PM2.5 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 11.2 μg/m3.
Shelton, Washington currently has a PM10 concentration of 49.999 μg/m3.
The current carbon monoxide (CO) level in Shelton, Washington is 0.169 ppm.
The current sulfur dioxide (SO2) concentration in Shelton, Washington is 0.386 ppb.
Shelton, Washington currently has an ozone (O3) concentration of 19.086 ppm.
The current level of nitrogen dioxide (NO2) in Shelton, Washington is 7.661 ppb.
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