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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.78 μg/m³
0
55
155
255
425
605+
30.47 ppb
0
55
71
86
201
201+
2.29 ppb
0
36
76
186
605
1005+
9.64 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Circleville, Ohio
Circleville, Ohio
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AQI 33
Good
5.76μg/m³
PM2.5
24.90μg/m³
PM10
21.22ppb
O3
1.54ppb
SO2
3.08ppb
NO2
0.18ppm
CO
AQI 38
Good
7.42μg/m³
PM2.5
14.55μg/m³
PM10
30.35ppb
O3
2.26ppb
SO2
8.61ppb
NO2
0.15ppm
CO
AQI 38
Good
7.26μg/m³
PM2.5
16.18μg/m³
PM10
31.80ppb
O3
2.31ppb
SO2
5.57ppb
NO2
0.13ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
24.65μg/m³
PM10
29.73ppb
O3
2.24ppb
SO2
7.44ppb
NO2
0.14ppm
CO
AQI 60
Moderate
14.41μg/m³
PM2.5
24.69μg/m³
PM10
32.10ppb
O3
2.33ppb
SO2
5.39ppb
NO2
0.13ppm
CO
AQI 54
Moderate
10.84μg/m³
PM2.5
20.87μg/m³
PM10
32.00ppb
O3
2.31ppb
SO2
5.30ppb
NO2
0.13ppm
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 Circleville, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Circleville, Ohio was at its worst at 11:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Circleville, Ohio was observed at 07:00:00 on 2026-01-23.
As of now, the AQI in Circleville, Ohio is 38, indicating Good conditions.
Circleville, Ohio air has the highest levels of PM2.5.
Poor air quality in Circleville, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Circleville, Ohio are currently 7.228 μg/m3.
The PM10 concentration in Circleville, Ohio is 14.779 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Circleville, Ohio is 0.158 ppm.
Currently, Circleville, Ohio has a sulfur dioxide (SO2) concentration of 2.293 ppb.
The current ozone (O3) level in Circleville, Ohio at the moment is 30.466 ppm.
Nitrogen dioxide (NO2) level in Circleville, Ohio at the moment is 9.644 ppb.
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