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)
31
Good
Circleville, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.82 μg/m³
0
55
155
255
425
605+
33.31 ppb
0
55
71
86
201
201+
2.00 ppb
0
36
76
186
605
1005+
5.38 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Circleville, Ohio
Circleville, Ohio
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AQI 25
Good
3.53μg/m³
PM2.5
19.53μg/m³
PM10
27.02ppb
O3
3.69ppb
SO2
4.42ppb
NO2
0.13ppm
CO
AQI 24
Good
3.52μg/m³
PM2.5
16.80μg/m³
PM10
26.05ppb
O3
4.97ppb
SO2
4.74ppb
NO2
0.13ppm
CO
AQI 22
Good
3.90μg/m³
PM2.5
12.46μg/m³
PM10
23.58ppb
O3
3.63ppb
SO2
4.33ppb
NO2
0.11ppm
CO
AQI 18
Good
3.29μg/m³
PM2.5
11.26μg/m³
PM10
19.18ppb
O3
4.14ppb
SO2
4.54ppb
NO2
0.12ppm
CO
AQI 22
Good
3.50μg/m³
PM2.5
12.26μg/m³
PM10
24.45ppb
O3
3.64ppb
SO2
4.31ppb
NO2
0.11ppm
CO
AQI 22
Good
3.56μg/m³
PM2.5
12.34μg/m³
PM10
23.73ppb
O3
3.71ppb
SO2
4.36ppb
NO2
0.11ppm
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 03:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in Circleville, Ohio was observed at 08:00:00 on 2025-10-21.
As of now, the AQI in Circleville, Ohio is 31, indicating Good conditions.
Circleville, Ohio air has the highest levels of O3.
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 3.172 μg/m3.
The PM10 concentration in Circleville, Ohio is 13.821 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Circleville, Ohio is 0.115 ppm.
Currently, Circleville, Ohio has a sulfur dioxide (SO2) concentration of 2 ppb.
The current ozone (O3) level in Circleville, Ohio at the moment is 33.313 ppm.
Nitrogen dioxide (NO2) level in Circleville, Ohio at the moment is 5.381 ppb.
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