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)
44
Good
Zanesville, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.83 μg/m³
0
55
155
255
425
605+
47.38 ppb
0
55
71
86
201
201+
1.81 ppb
0
36
76
186
605
1005+
3.88 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Zanesville, Ohio
Zanesville, Ohio
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AQI 39
Good
5.04μg/m³
PM2.5
20.84μg/m³
PM10
42.13ppb
O3
1.83ppb
SO2
5.59ppb
NO2
0.13ppm
CO
AQI 39
Good
5.03μg/m³
PM2.5
20.81μg/m³
PM10
42.00ppb
O3
1.82ppb
SO2
5.64ppb
NO2
0.13ppm
CO
AQI 40
Good
5.34μg/m³
PM2.5
21.31μg/m³
PM10
42.65ppb
O3
1.80ppb
SO2
4.18ppb
NO2
0.15ppm
CO
AQI 45
Good
5.20μg/m³
PM2.5
18.49μg/m³
PM10
48.80ppb
O3
2.02ppb
SO2
5.65ppb
NO2
0.13ppm
CO
AQI 41
Good
5.29μg/m³
PM2.5
18.83μg/m³
PM10
43.94ppb
O3
2.02ppb
SO2
4.74ppb
NO2
0.12ppm
CO
AQI 40
Good
5.19μg/m³
PM2.5
15.93μg/m³
PM10
42.83ppb
O3
2.05ppb
SO2
4.66ppb
NO2
0.12ppm
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 08:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Zanesville, Ohio was observed at 07:00:00 on 2026-07-23.
As of now, the AQI in Zanesville, Ohio is 44, indicating Good conditions.
Zanesville, Ohio air has the highest levels of O3.
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 5.014 μg/m3.
The PM10 concentration in Zanesville, Ohio is 18.834 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Zanesville, Ohio is 0.14 ppm.
Currently, Zanesville, Ohio has a sulfur dioxide (SO2) concentration of 1.806 ppb.
The current ozone (O3) level in Zanesville, Ohio at the moment is 47.377 ppm.
Nitrogen dioxide (NO2) level in Zanesville, Ohio at the moment is 3.884 ppb.
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