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)
38
Good
Marysville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.11 μg/m³
0
55
155
255
425
605+
22.19 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
1.70 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marysville, California
Marysville, California
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AQI 49
Good
8.72μg/m³
PM2.5
21.11μg/m³
PM10
22.16ppb
O3
0.41ppb
SO2
1.89ppb
NO2
0.21ppm
CO
AQI 44
Good
8.28μg/m³
PM2.5
21.75μg/m³
PM10
22.84ppb
O3
0.41ppb
SO2
1.85ppb
NO2
0.20ppm
CO
AQI 44
Good
8.14μg/m³
PM2.5
21.27μg/m³
PM10
22.95ppb
O3
0.41ppb
SO2
1.85ppb
NO2
0.20ppm
CO
AQI 27
Good
5.27μg/m³
PM2.5
22.44μg/m³
PM10
20.70ppb
O3
0.41ppb
SO2
1.50ppb
NO2
0.16ppm
CO
AQI 33
Good
6.09μg/m³
PM2.5
14.05μg/m³
PM10
25.36ppb
O3
0.41ppb
SO2
1.65ppb
NO2
0.19ppm
CO
AQI 54
Moderate
10.83μg/m³
PM2.5
35.23μg/m³
PM10
51.38ppb
O3
0.41ppb
SO2
2.64ppb
NO2
0.17ppm
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 03:00:00 on 2026-08-13.
The best air quality in Marysville, California was recorded at 12:00:00 on 2026-08-12.
The real-time air quality index in Marysville, California is 38, 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 7.098 μg/m3.
The current PM10 levels in Marysville, California are 20.107 μg/m3.
The current carbon monoxide (CO) level in Marysville, California is 0.209 ppm.
The current sulfur dioxide (SO2) levels in Marysville, California are 0.398 ppb.
The current ozone (O3) levels at Marysville, California is 22.189 ppm.
The current nitrogen dioxide (NO2) levels at Marysville, California is 1.704 ppb.
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