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)
45
Good
Celina, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.20 μg/m³
0
55
155
255
425
605+
49.06 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
3.08 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Celina, Ohio
Celina, Ohio
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AQI 56
Moderate
12.14μg/m³
PM2.5
49.12μg/m³
PM10
56.42ppb
O3
1.35ppb
SO2
3.19ppb
NO2
0.25ppm
CO
AQI 60
Moderate
14.05μg/m³
PM2.5
38.79μg/m³
PM10
56.54ppb
O3
1.33ppb
SO2
3.04ppb
NO2
0.26ppm
CO
AQI 64
Moderate
6.36μg/m³
PM2.5
28.13μg/m³
PM10
58.94ppb
O3
1.13ppb
SO2
3.71ppb
NO2
0.23ppm
CO
AQI 64
Moderate
12.01μg/m³
PM2.5
48.06μg/m³
PM10
58.91ppb
O3
1.24ppb
SO2
6.24ppb
NO2
0.23ppm
CO
AQI 71
Moderate
12.88μg/m³
PM2.5
43.61μg/m³
PM10
60.67ppb
O3
1.25ppb
SO2
4.12ppb
NO2
0.22ppm
CO
AQI 64
Moderate
12.23μg/m³
PM2.5
36.45μg/m³
PM10
58.97ppb
O3
1.26ppb
SO2
7.18ppb
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 Celina, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Celina, Ohio was at its worst at 09:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Celina, Ohio was observed at 11:00:00 on 2026-04-23.
As of now, the AQI in Celina, Ohio is 45, indicating Good conditions.
Celina, Ohio air has the highest levels of O3.
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 7.792 μg/m3.
The PM10 concentration in Celina, Ohio is 27.197 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Celina, Ohio is 0.193 ppm.
Currently, Celina, Ohio has a sulfur dioxide (SO2) concentration of 0.929 ppb.
The current ozone (O3) level in Celina, Ohio at the moment is 49.061 ppm.
Nitrogen dioxide (NO2) level in Celina, Ohio at the moment is 3.082 ppb.
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