Stay updated with real-time air quality in Massillon, 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)
45
Good
Massillon, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.08 μg/m³
0
55
155
255
425
605+
48.70 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
5.83 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Massillon, Ohio
Massillon, Ohio
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AQI 46
Good
5.50μg/m³
PM2.5
22.76μg/m³
PM10
50.30ppb
O3
1.18ppb
SO2
5.77ppb
NO2
0.27ppm
CO
AQI 45
Good
6.01μg/m³
PM2.5
22.13μg/m³
PM10
48.89ppb
O3
1.07ppb
SO2
5.77ppb
NO2
0.27ppm
CO
AQI 54
Moderate
6.10μg/m³
PM2.5
25.06μg/m³
PM10
56.42ppb
O3
0.97ppb
SO2
5.99ppb
NO2
0.27ppm
CO
AQI 58
Moderate
6.39μg/m³
PM2.5
18.73μg/m³
PM10
57.24ppb
O3
0.98ppb
SO2
5.89ppb
NO2
0.27ppm
CO
AQI 54
Moderate
6.18μg/m³
PM2.5
25.06μg/m³
PM10
55.80ppb
O3
0.97ppb
SO2
5.98ppb
NO2
0.27ppm
CO
AQI 51
Moderate
6.14μg/m³
PM2.5
25.01μg/m³
PM10
55.36ppb
O3
0.96ppb
SO2
5.73ppb
NO2
0.27ppm
CO
The air quality data for Ohio, 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 Massillon, Ohio are available every hour.
Massillon, Ohio experienced its worst air quality at 10:00:00, 2026-04-23.
The best air quality in Massillon, Ohio was observed at 08:00:00 on 2026-04-23.
The air quality in Massillon, Ohio right now is Good, with an AQI of 45.
In Massillon, Ohio, O3 is the most frequently found pollutant.
When air quality in Massillon, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.
Massillon, Ohio currently has a PM2.5 concentration of 6.086 μg/m3.
Massillon, Ohio currently has a PM10 concentration of 23.077 μg/m3.
The current carbon monoxide (CO) level in Massillon, Ohio is 0.265 ppm.
The current sulfur dioxide (SO2) concentration in Massillon, Ohio is 1.131 ppb.
Massillon, Ohio currently has an ozone (O3) concentration of 48.696 ppm.
The current level of nitrogen dioxide (NO2) in Massillon, Ohio is 5.827 ppb.
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