Stay updated with real-time air quality in Marysville, 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)
27
Good
Marysville, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.25 μg/m³
0
55
155
255
425
605+
24.26 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
5.41 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marysville, Washington
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AQI 22
Good
3.83μg/m³
PM2.5
16.95μg/m³
PM10
24.38ppb
O3
0.34ppb
SO2
7.55ppb
NO2
0.16ppm
CO
AQI 27
Good
5.38μg/m³
PM2.5
18.64μg/m³
PM10
22.45ppb
O3
0.34ppb
SO2
5.63ppb
NO2
0.15ppm
CO
AQI 20
Good
1.35μg/m³
PM2.5
5.66μg/m³
PM10
21.72ppb
O3
0.35ppb
SO2
8.97ppb
NO2
0.16ppm
CO
AQI 19
Good
3.40μg/m³
PM2.5
19.14μg/m³
PM10
20.66ppb
O3
0.35ppb
SO2
8.66ppb
NO2
0.16ppm
CO
AQI 27
Good
4.63μg/m³
PM2.5
16.78μg/m³
PM10
22.66ppb
O3
0.31ppb
SO2
5.44ppb
NO2
0.15ppm
CO
AQI 21
Good
2.22μg/m³
PM2.5
9.78μg/m³
PM10
23.35ppb
O3
0.36ppb
SO2
9.31ppb
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 Marysville, Washington are available every hour.
Marysville, Washington experienced its worst air quality at 05:00:00, 2025-06-06.
The best air quality in Marysville, Washington was observed at 01:00:00 on 2025-06-06.
The air quality in Marysville, Washington right now is Good, with an AQI of 27.
In Marysville, Washington, PM2.5 is the most frequently found pollutant.
When air quality in Marysville, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Marysville, Washington currently has a PM2.5 concentration of 5.425 μg/m3.
Marysville, Washington currently has a PM10 concentration of 23.254 μg/m3.
The current carbon monoxide (CO) level in Marysville, Washington is 0.17 ppm.
The current sulfur dioxide (SO2) concentration in Marysville, Washington is 0.291 ppb.
Marysville, Washington currently has an ozone (O3) concentration of 24.263 ppm.
The current level of nitrogen dioxide (NO2) in Marysville, Washington is 5.407 ppb.
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