Stay updated with real-time air quality in Zanesville, 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)
33
Good
Zanesville, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.76 μg/m³
0
55
155
255
425
605+
9.94 ppb
0
55
71
86
201
201+
1.35 ppb
0
36
76
186
605
1005+
5.13 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Zanesville, Ohio
Zanesville, Ohio
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AQI 27
Good
5.13μg/m³
PM2.5
24.32μg/m³
PM10
13.21ppb
O3
1.39ppb
SO2
4.89ppb
NO2
0.27ppm
CO
AQI 27
Good
5.13μg/m³
PM2.5
24.55μg/m³
PM10
13.00ppb
O3
1.38ppb
SO2
4.89ppb
NO2
0.27ppm
CO
AQI 27
Good
5.39μg/m³
PM2.5
18.64μg/m³
PM10
12.28ppb
O3
1.14ppb
SO2
5.45ppb
NO2
0.25ppm
CO
AQI 27
Good
4.86μg/m³
PM2.5
16.96μg/m³
PM10
14.79ppb
O3
1.69ppb
SO2
5.80ppb
NO2
0.27ppm
CO
AQI 27
Good
5.13μg/m³
PM2.5
19.95μg/m³
PM10
17.95ppb
O3
1.49ppb
SO2
5.13ppb
NO2
0.28ppm
CO
AQI 27
Good
5.22μg/m³
PM2.5
18.94μg/m³
PM10
18.72ppb
O3
1.51ppb
SO2
5.23ppb
NO2
0.28ppm
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 Zanesville, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Zanesville, Ohio was at its worst at 09:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Zanesville, Ohio was observed at 03:00:00 on 2026-09-07.
As of now, the AQI in Zanesville, Ohio is 33, indicating Good conditions.
Zanesville, Ohio air has the highest levels of PM2.5.
Poor air quality in Zanesville, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Zanesville, Ohio are currently 5.901 μg/m3.
The PM10 concentration in Zanesville, Ohio is 24.76 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Zanesville, Ohio is 0.291 ppm.
Currently, Zanesville, Ohio has a sulfur dioxide (SO2) concentration of 1.352 ppb.
The current ozone (O3) level in Zanesville, Ohio at the moment is 9.937 ppm.
Nitrogen dioxide (NO2) level in Zanesville, Ohio at the moment is 5.126 ppb.
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