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)
41
Good
Massillon, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.39 μg/m³
0
55
155
255
425
605+
44.48 ppb
0
55
71
86
201
201+
1.36 ppb
0
36
76
186
605
1005+
5.07 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Massillon, Ohio
Massillon, Ohio
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AQI 37
Good
4.56μg/m³
PM2.5
20.47μg/m³
PM10
40.11ppb
O3
1.47ppb
SO2
6.45ppb
NO2
0.22ppm
CO
AQI 37
Good
5.12μg/m³
PM2.5
24.48μg/m³
PM10
40.06ppb
O3
1.44ppb
SO2
6.53ppb
NO2
0.22ppm
CO
AQI 39
Good
6.76μg/m³
PM2.5
24.19μg/m³
PM10
41.57ppb
O3
1.46ppb
SO2
6.94ppb
NO2
0.22ppm
CO
AQI 37
Good
6.16μg/m³
PM2.5
26.14μg/m³
PM10
40.09ppb
O3
1.50ppb
SO2
6.95ppb
NO2
0.22ppm
CO
AQI 40
Good
7.12μg/m³
PM2.5
29.25μg/m³
PM10
42.53ppb
O3
1.46ppb
SO2
7.01ppb
NO2
0.22ppm
CO
AQI 38
Good
7.39μg/m³
PM2.5
24.10μg/m³
PM10
41.45ppb
O3
1.47ppb
SO2
7.44ppb
NO2
0.22ppm
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 02:00:00, 2026-10-22.
The best air quality in Massillon, Ohio was observed at 02:00:00 on 2026-10-22.
The air quality in Massillon, Ohio right now is Good, with an AQI of 37.
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 5.149 μg/m3.
Massillon, Ohio currently has a PM10 concentration of 22.858 μg/m3.
The current carbon monoxide (CO) level in Massillon, Ohio is 0.223 ppm.
The current sulfur dioxide (SO2) concentration in Massillon, Ohio is 1.463 ppb.
Massillon, Ohio currently has an ozone (O3) concentration of 40.067 ppm.
The current level of nitrogen dioxide (NO2) in Massillon, Ohio is 6.521 ppb.
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