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)
49
Good
Celina, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.54 μg/m³
0
55
155
255
425
605+
51.92 ppb
0
55
71
86
201
201+
1.29 ppb
0
36
76
186
605
1005+
3.24 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Celina, Ohio
Celina, Ohio
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AQI 44
Good
8.00μg/m³
PM2.5
43.07μg/m³
PM10
48.42ppb
O3
1.38ppb
SO2
10.88ppb
NO2
0.26ppm
CO
AQI 54
Moderate
11.25μg/m³
PM2.5
47.50μg/m³
PM10
48.91ppb
O3
1.32ppb
SO2
10.82ppb
NO2
0.25ppm
CO
AQI 58
Moderate
5.54μg/m³
PM2.5
24.26μg/m³
PM10
56.81ppb
O3
1.02ppb
SO2
10.19ppb
NO2
0.26ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
43.45μg/m³
PM10
47.07ppb
O3
1.47ppb
SO2
10.35ppb
NO2
0.26ppm
CO
AQI 54
Moderate
10.75μg/m³
PM2.5
43.97μg/m³
PM10
47.58ppb
O3
1.08ppb
SO2
11.12ppb
NO2
0.23ppm
CO
AQI 44
Good
7.72μg/m³
PM2.5
33.87μg/m³
PM10
47.67ppb
O3
1.49ppb
SO2
11.46ppb
NO2
0.25ppm
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 11:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Celina, Ohio was observed at 07:00:00 on 2026-10-22.
As of now, the AQI in Celina, Ohio is 49, 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 9.137 μg/m3.
The PM10 concentration in Celina, Ohio is 43.537 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Celina, Ohio is 0.196 ppm.
Currently, Celina, Ohio has a sulfur dioxide (SO2) concentration of 1.291 ppb.
The current ozone (O3) level in Celina, Ohio at the moment is 51.925 ppm.
Nitrogen dioxide (NO2) level in Celina, Ohio at the moment is 3.239 ppb.
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