Stay updated with real-time air quality in Marysville, Ohio 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)
56
Moderate
Marysville, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.36 μg/m³
0
55
155
255
425
605+
41.11 ppb
0
55
71
86
201
201+
1.31 ppb
0
36
76
186
605
1005+
5.07 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marysville, Ohio
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AQI 38
Good
6.86μg/m³
PM2.5
27.02μg/m³
PM10
37.23ppb
O3
1.80ppb
SO2
5.03ppb
NO2
0.20ppm
CO
AQI 38
Good
7.10μg/m³
PM2.5
20.21μg/m³
PM10
33.56ppb
O3
1.59ppb
SO2
4.18ppb
NO2
0.19ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
27.18μg/m³
PM10
37.28ppb
O3
1.81ppb
SO2
5.05ppb
NO2
0.20ppm
CO
AQI 38
Good
6.56μg/m³
PM2.5
21.75μg/m³
PM10
38.07ppb
O3
1.83ppb
SO2
5.30ppb
NO2
0.20ppm
CO
AQI 38
Good
6.63μg/m³
PM2.5
21.14μg/m³
PM10
38.76ppb
O3
1.82ppb
SO2
5.25ppb
NO2
0.20ppm
CO
AQI 35
Good
6.41μg/m³
PM2.5
19.49μg/m³
PM10
38.05ppb
O3
1.83ppb
SO2
5.35ppb
NO2
0.20ppm
CO
Air quality and pollutant data for Ohio, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Marysville, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Marysville, Ohio was at its worst at 08:00:00 on 2025-07-20.
In the last 24 hours, the best air quality in Marysville, Ohio was observed at 05:00:00 on 2025-07-20.
As of now, the AQI in Marysville, Ohio is 33, indicating Good conditions.
Marysville, Ohio air has the highest levels of O3.
Poor air quality in Marysville, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Marysville, Ohio are currently 5.822 μg/m3.
The PM10 concentration in Marysville, Ohio is 18.609 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Marysville, Ohio is 0.14 ppm.
Currently, Marysville, Ohio has a sulfur dioxide (SO2) concentration of 2.022 ppb.
The current ozone (O3) level in Marysville, Ohio at the moment is 36.374 ppm.
Nitrogen dioxide (NO2) level in Marysville, Ohio at the moment is 3.897 ppb.
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