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)
39
Good
Celina, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.96 μg/m³
0
55
155
255
425
605+
41.99 ppb
0
55
71
86
201
201+
1.39 ppb
0
36
76
186
605
1005+
2.36 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Celina, Ohio
Celina, Ohio
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AQI 40
Good
5.68μg/m³
PM2.5
20.25μg/m³
PM10
42.57ppb
O3
4.44ppb
SO2
6.20ppb
NO2
0.13ppm
CO
AQI 38
Good
5.14μg/m³
PM2.5
19.70μg/m³
PM10
41.02ppb
O3
3.78ppb
SO2
6.29ppb
NO2
0.13ppm
CO
AQI 43
Good
7.27μg/m³
PM2.5
31.78μg/m³
PM10
45.99ppb
O3
8.90ppb
SO2
6.58ppb
NO2
0.13ppm
CO
AQI 38
Good
5.21μg/m³
PM2.5
15.00μg/m³
PM10
40.71ppb
O3
4.16ppb
SO2
7.46ppb
NO2
0.11ppm
CO
AQI 40
Good
5.05μg/m³
PM2.5
19.91μg/m³
PM10
42.57ppb
O3
2.98ppb
SO2
7.47ppb
NO2
0.11ppm
CO
AQI 40
Good
5.28μg/m³
PM2.5
17.73μg/m³
PM10
42.98ppb
O3
3.52ppb
SO2
7.75ppb
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 Celina, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Celina, Ohio was at its worst at 08:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Celina, Ohio was observed at 09:00:00 on 2026-07-23.
As of now, the AQI in Celina, Ohio is 39, 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 3.196 μg/m3.
The PM10 concentration in Celina, Ohio is 12.956 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Celina, Ohio is 0.119 ppm.
Currently, Celina, Ohio has a sulfur dioxide (SO2) concentration of 1.386 ppb.
The current ozone (O3) level in Celina, Ohio at the moment is 41.994 ppm.
Nitrogen dioxide (NO2) level in Celina, Ohio at the moment is 2.359 ppb.
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