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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.19 μg/m³
0
55
155
255
425
605+
15.84 ppb
0
55
71
86
201
201+
0.96 ppb
0
36
76
186
605
1005+
4.64 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Celina, Ohio
Celina, Ohio
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AQI 38
Good
7.36μg/m³
PM2.5
16.62μg/m³
PM10
15.21ppb
O3
1.70ppb
SO2
4.47ppb
NO2
0.29ppm
CO
AQI 44
Good
7.52μg/m³
PM2.5
21.93μg/m³
PM10
17.33ppb
O3
1.72ppb
SO2
4.53ppb
NO2
0.28ppm
CO
AQI 52
Moderate
9.53μg/m³
PM2.5
42.59μg/m³
PM10
14.04ppb
O3
1.67ppb
SO2
4.01ppb
NO2
0.29ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
25.82μg/m³
PM10
19.77ppb
O3
1.95ppb
SO2
4.28ppb
NO2
0.28ppm
CO
AQI 33
Good
6.02μg/m³
PM2.5
13.92μg/m³
PM10
18.50ppb
O3
2.09ppb
SO2
5.12ppb
NO2
0.24ppm
CO
AQI 38
Good
6.52μg/m³
PM2.5
15.38μg/m³
PM10
18.41ppb
O3
2.08ppb
SO2
4.76ppb
NO2
0.27ppm
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 Celina, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Celina, Ohio was at its worst at 03:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Celina, Ohio was observed at 04:00:00 on 2026-09-06.
As of now, the AQI in Celina, Ohio is 44, indicating Good conditions.
Celina, Ohio air has the highest levels of PM2.5.
Poor air quality in Celina, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Celina, Ohio are currently 7.706 μg/m3.
The PM10 concentration in Celina, Ohio is 31.189 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Celina, Ohio is 0.201 ppm.
Currently, Celina, Ohio has a sulfur dioxide (SO2) concentration of 0.958 ppb.
The current ozone (O3) level in Celina, Ohio at the moment is 15.835 ppm.
Nitrogen dioxide (NO2) level in Celina, Ohio at the moment is 4.636 ppb.
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