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)
52
Moderate
Celina, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.44 μg/m³
0
55
155
255
425
605+
25.01 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
4.95 ppb
0
54
101
361
1250
2050+
0.16 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
7.14μg/m³
PM2.5
29.55μg/m³
PM10
30.51ppb
O3
1.06ppb
SO2
3.84ppb
NO2
0.20ppm
CO
AQI 44
Good
7.61μg/m³
PM2.5
27.27μg/m³
PM10
32.08ppb
O3
1.06ppb
SO2
3.86ppb
NO2
0.21ppm
CO
AQI 52
Moderate
10.36μg/m³
PM2.5
45.77μg/m³
PM10
37.91ppb
O3
1.48ppb
SO2
7.83ppb
NO2
0.18ppm
CO
AQI 49
Good
9.46μg/m³
PM2.5
27.58μg/m³
PM10
33.39ppb
O3
1.47ppb
SO2
7.25ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.87μg/m³
PM2.5
21.07μg/m³
PM10
25.93ppb
O3
1.10ppb
SO2
7.92ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.80μg/m³
PM2.5
36.23μg/m³
PM10
34.12ppb
O3
1.45ppb
SO2
7.41ppb
NO2
0.20ppm
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 02:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Celina, Ohio was observed at 10:00:00 on 2026-06-07.
As of now, the AQI in Celina, Ohio is 52, indicating Moderate 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 10.124 μg/m3.
The PM10 concentration in Celina, Ohio is 42.441 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Celina, Ohio is 0.162 ppm.
Currently, Celina, Ohio has a sulfur dioxide (SO2) concentration of 0.666 ppb.
The current ozone (O3) level in Celina, Ohio at the moment is 25.013 ppm.
Nitrogen dioxide (NO2) level in Celina, Ohio at the moment is 4.95 ppb.
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