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)
14
Good
Marysville, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.91 μg/m³
0
55
155
255
425
605+
14.83 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
5.60 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marysville, Washington
Scroll To Air Quality MapLoading...
AQI 16
Good
3.41μg/m³
PM2.5
14.15μg/m³
PM10
13.54ppb
O3
0.29ppb
SO2
5.02ppb
NO2
0.11ppm
CO
AQI 22
Good
3.75μg/m³
PM2.5
16.90μg/m³
PM10
19.74ppb
O3
0.28ppb
SO2
2.48ppb
NO2
0.11ppm
CO
AQI 15
Good
1.83μg/m³
PM2.5
6.11μg/m³
PM10
16.05ppb
O3
0.30ppb
SO2
4.56ppb
NO2
0.11ppm
CO
AQI 22
Good
4.41μg/m³
PM2.5
13.42μg/m³
PM10
12.78ppb
O3
0.29ppb
SO2
4.19ppb
NO2
0.11ppm
CO
AQI 18
Good
3.08μg/m³
PM2.5
13.13μg/m³
PM10
18.59ppb
O3
0.27ppb
SO2
3.62ppb
NO2
0.12ppm
CO
AQI 14
Good
2.18μg/m³
PM2.5
8.05μg/m³
PM10
15.18ppb
O3
0.30ppb
SO2
4.93ppb
NO2
0.11ppm
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 03:00:00, 2026-06-08.
The best air quality in Marysville, Washington was observed at 02:00:00 on 2026-06-07.
The air quality in Marysville, Washington right now is Good, with an AQI of 14.
In Marysville, Washington, O3 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 1.96 μg/m3.
Marysville, Washington currently has a PM10 concentration of 7.913 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 0.62 ppb.
Marysville, Washington currently has an ozone (O3) concentration of 14.832 ppm.
The current level of nitrogen dioxide (NO2) in Marysville, Washington is 5.596 ppb.
All Rights Reserved © Ambee Inc. 2025