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)
38
Good
Massillon, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.40 μg/m³
0
55
155
255
425
605+
30.54 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
5.87 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Massillon, Ohio
Massillon, Ohio
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AQI 33
Good
6.48μg/m³
PM2.5
27.64μg/m³
PM10
33.25ppb
O3
1.00ppb
SO2
5.91ppb
NO2
0.18ppm
CO
AQI 38
Good
6.76μg/m³
PM2.5
20.75μg/m³
PM10
33.87ppb
O3
0.99ppb
SO2
5.92ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.53μg/m³
PM2.5
26.03μg/m³
PM10
31.32ppb
O3
0.94ppb
SO2
6.03ppb
NO2
0.17ppm
CO
AQI 49
Good
9.49μg/m³
PM2.5
31.03μg/m³
PM10
32.26ppb
O3
0.97ppb
SO2
6.09ppb
NO2
0.18ppm
CO
AQI 49
Good
9.38μg/m³
PM2.5
18.80μg/m³
PM10
29.38ppb
O3
0.94ppb
SO2
5.99ppb
NO2
0.18ppm
CO
AQI 49
Good
9.02μg/m³
PM2.5
25.45μg/m³
PM10
35.99ppb
O3
0.91ppb
SO2
5.91ppb
NO2
0.18ppm
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 03:00:00, 2026-06-08.
The best air quality in Massillon, Ohio was observed at 09:00:00 on 2026-06-07.
The air quality in Massillon, Ohio right now is Good, with an AQI of 38.
In Massillon, Ohio, PM2.5 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 6.742 μg/m3.
Massillon, Ohio currently has a PM10 concentration of 20.402 μg/m3.
The current carbon monoxide (CO) level in Massillon, Ohio is 0.177 ppm.
The current sulfur dioxide (SO2) concentration in Massillon, Ohio is 0.989 ppb.
Massillon, Ohio currently has an ozone (O3) concentration of 30.536 ppm.
The current level of nitrogen dioxide (NO2) in Massillon, Ohio is 5.87 ppb.
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