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
6.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.15 μg/m³
0
55
155
255
425
605+
18.77 ppb
0
55
71
86
201
201+
1.30 ppb
0
36
76
186
605
1005+
7.43 ppb
0
54
101
361
1250
2050+
0.20 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
5.87μg/m³
PM2.5
19.99μg/m³
PM10
20.40ppb
O3
1.39ppb
SO2
9.47ppb
NO2
0.14ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
19.79μg/m³
PM10
17.83ppb
O3
1.41ppb
SO2
11.56ppb
NO2
0.14ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
15.40μg/m³
PM10
21.72ppb
O3
1.43ppb
SO2
3.43ppb
NO2
0.12ppm
CO
AQI 33
Good
6.19μg/m³
PM2.5
19.00μg/m³
PM10
28.55ppb
O3
1.42ppb
SO2
5.25ppb
NO2
0.13ppm
CO
AQI 33
Good
6.27μg/m³
PM2.5
14.30μg/m³
PM10
24.88ppb
O3
1.43ppb
SO2
3.86ppb
NO2
0.12ppm
CO
AQI 33
Good
6.46μg/m³
PM2.5
15.59μg/m³
PM10
25.04ppb
O3
1.43ppb
SO2
4.18ppb
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 Circleville, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Circleville, Ohio was at its worst at 12:00:00 on 2025-07-21.
In the last 24 hours, the best air quality in Circleville, Ohio was observed at 04:00:00 on 2025-07-21.
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 6.94 μg/m3.
The PM10 concentration in Circleville, Ohio is 24.149 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Circleville, Ohio is 0.201 ppm.
Currently, Circleville, Ohio has a sulfur dioxide (SO2) concentration of 1.299 ppb.
The current ozone (O3) level in Circleville, Ohio at the moment is 18.774 ppm.
Nitrogen dioxide (NO2) level in Circleville, Ohio at the moment is 7.431 ppb.
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