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)
52
Moderate
Circleville, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.25 μg/m³
0
55
155
255
425
605+
25.11 ppb
0
55
71
86
201
201+
1.38 ppb
0
36
76
186
605
1005+
13.18 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Circleville, Ohio
Circleville, Ohio
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AQI 49
Good
9.47μg/m³
PM2.5
42.34μg/m³
PM10
27.20ppb
O3
1.43ppb
SO2
11.55ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
26.01μg/m³
PM10
29.79ppb
O3
1.33ppb
SO2
12.50ppb
NO2
0.26ppm
CO
AQI 54
Moderate
11.34μg/m³
PM2.5
23.84μg/m³
PM10
26.31ppb
O3
1.33ppb
SO2
9.97ppb
NO2
0.23ppm
CO
AQI 52
Moderate
9.57μg/m³
PM2.5
20.95μg/m³
PM10
27.80ppb
O3
1.33ppb
SO2
8.73ppb
NO2
0.24ppm
CO
AQI 52
Moderate
10.23μg/m³
PM2.5
19.12μg/m³
PM10
29.52ppb
O3
1.33ppb
SO2
9.59ppb
NO2
0.22ppm
CO
AQI 52
Moderate
10.38μg/m³
PM2.5
20.50μg/m³
PM10
29.49ppb
O3
1.33ppb
SO2
9.50ppb
NO2
0.23ppm
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 04:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Circleville, Ohio was observed at 03:00:00 on 2025-06-06.
As of now, the AQI in Circleville, Ohio is 52, indicating Moderate 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 9.684 μg/m3.
The PM10 concentration in Circleville, Ohio is 25.247 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Circleville, Ohio is 0.25 ppm.
Currently, Circleville, Ohio has a sulfur dioxide (SO2) concentration of 1.375 ppb.
The current ozone (O3) level in Circleville, Ohio at the moment is 25.115 ppm.
Nitrogen dioxide (NO2) level in Circleville, Ohio at the moment is 13.175 ppb.
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