Stay updated with real-time air quality in Marysville, California 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)
16
Good
Marysville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.17 μg/m³
0
55
155
255
425
605+
8.98 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
3.38 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marysville, California
Marysville, California
Scroll To Air Quality MapLoading...
AQI 16
Good
3.10μg/m³
PM2.5
6.15μg/m³
PM10
7.04ppb
O3
0.55ppb
SO2
4.36ppb
NO2
0.40ppm
CO
AQI 16
Good
3.11μg/m³
PM2.5
7.15μg/m³
PM10
7.12ppb
O3
0.55ppb
SO2
4.82ppb
NO2
0.40ppm
CO
AQI 16
Good
3.13μg/m³
PM2.5
7.41μg/m³
PM10
6.98ppb
O3
0.55ppb
SO2
4.88ppb
NO2
0.40ppm
CO
AQI 22
Good
3.87μg/m³
PM2.5
17.23μg/m³
PM10
3.56ppb
O3
0.57ppb
SO2
7.12ppb
NO2
0.38ppm
CO
AQI 22
Good
3.59μg/m³
PM2.5
12.12μg/m³
PM10
10.04ppb
O3
0.77ppb
SO2
5.25ppb
NO2
0.40ppm
CO
AQI 49
Good
8.57μg/m³
PM2.5
38.06μg/m³
PM10
19.24ppb
O3
0.79ppb
SO2
8.00ppb
NO2
0.40ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Marysville, California is updated on an hourly basis.
The worst air quality in Marysville, California was recorded at 07:00:00 on 2025-12-13.
The best air quality in Marysville, California was recorded at 11:00:00 on 2025-12-12.
The real-time air quality index in Marysville, California is 16, currently categorized as Good.
The most common pollutant in Marysville, California is PM2.5.
If the air quality in Marysville, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Marysville, California at present are 2.611 μg/m3.
The current PM10 levels in Marysville, California are 5.166 μg/m3.
The current carbon monoxide (CO) level in Marysville, California is 0.417 ppm.
The current sulfur dioxide (SO2) levels in Marysville, California are 0.668 ppb.
The current ozone (O3) levels at Marysville, California is 8.983 ppm.
The current nitrogen dioxide (NO2) levels at Marysville, California is 3.377 ppb.
All Rights Reserved © Ambee Inc. 2025