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)
13
Good
Marysville, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.31 μg/m³
0
55
155
255
425
605+
14.23 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
2.88 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marysville, California
Marysville, California
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AQI 16
Good
2.87μg/m³
PM2.5
8.70μg/m³
PM10
17.14ppb
O3
0.76ppb
SO2
2.80ppb
NO2
0.20ppm
CO
AQI 17
Good
2.79μg/m³
PM2.5
8.90μg/m³
PM10
17.81ppb
O3
0.75ppb
SO2
2.77ppb
NO2
0.20ppm
CO
AQI 17
Good
2.83μg/m³
PM2.5
9.11μg/m³
PM10
17.95ppb
O3
0.76ppb
SO2
2.73ppb
NO2
0.20ppm
CO
AQI 27
Good
4.71μg/m³
PM2.5
20.48μg/m³
PM10
16.20ppb
O3
0.79ppb
SO2
2.20ppb
NO2
0.18ppm
CO
AQI 19
Good
2.97μg/m³
PM2.5
13.62μg/m³
PM10
20.08ppb
O3
0.74ppb
SO2
2.49ppb
NO2
0.21ppm
CO
AQI 31
Good
4.34μg/m³
PM2.5
18.81μg/m³
PM10
32.61ppb
O3
0.69ppb
SO2
2.38ppb
NO2
0.19ppm
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 02:00:00 on 2025-07-24.
The best air quality in Marysville, California was recorded at 02:00:00 on 2025-07-24.
The real-time air quality index in Marysville, California is 22, 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 4.214 μg/m3.
The current PM10 levels in Marysville, California are 9.921 μg/m3.
The current carbon monoxide (CO) level in Marysville, California is 0.198 ppm.
The current sulfur dioxide (SO2) levels in Marysville, California are 0.661 ppb.
The current ozone (O3) levels at Marysville, California is 16.209 ppm.
The current nitrogen dioxide (NO2) levels at Marysville, California is 2.523 ppb.
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