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)
22
Good
Marysville, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.43 μg/m³
0
55
155
255
425
605+
18.32 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
5.43 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marysville, Washington
Scroll To Air Quality MapLoading...
AQI 44
Good
8.05μg/m³
PM2.5
28.84μg/m³
PM10
13.60ppb
O3
0.22ppb
SO2
10.13ppb
NO2
0.10ppm
CO
AQI 44
Good
7.78μg/m³
PM2.5
29.80μg/m³
PM10
11.39ppb
O3
0.22ppb
SO2
8.93ppb
NO2
0.10ppm
CO
AQI 49
Good
9.25μg/m³
PM2.5
19.45μg/m³
PM10
14.94ppb
O3
0.21ppb
SO2
9.81ppb
NO2
0.10ppm
CO
AQI 27
Good
5.18μg/m³
PM2.5
26.12μg/m³
PM10
12.41ppb
O3
0.21ppb
SO2
9.19ppb
NO2
0.10ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
36.80μg/m³
PM10
12.10ppb
O3
0.24ppb
SO2
8.91ppb
NO2
0.10ppm
CO
AQI 49
Good
8.84μg/m³
PM2.5
22.74μg/m³
PM10
14.42ppb
O3
0.21ppb
SO2
9.89ppb
NO2
0.10ppm
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 07:00:00, 2025-07-17.
The best air quality in Marysville, Washington was observed at 03:00:00 on 2025-07-18.
The air quality in Marysville, Washington right now is Good, with an AQI of 44.
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 8.447 μg/m3.
Marysville, Washington currently has a PM10 concentration of 36.41 μg/m3.
The current carbon monoxide (CO) level in Marysville, Washington is 0.1 ppm.
The current sulfur dioxide (SO2) concentration in Marysville, Washington is 0.226 ppb.
Marysville, Washington currently has an ozone (O3) concentration of 13.05 ppm.
The current level of nitrogen dioxide (NO2) in Marysville, Washington is 10.311 ppb.
All Rights Reserved © Ambee Inc. 2025