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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.49 μg/m³
0
55
155
255
425
605+
48.77 ppb
0
55
71
86
201
201+
1.49 ppb
0
36
76
186
605
1005+
3.91 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Tiffin, Ohio
Tiffin, Ohio
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AQI 44
Good
5.93μg/m³
PM2.5
20.78μg/m³
PM10
47.10ppb
O3
2.36ppb
SO2
3.99ppb
NO2
0.14ppm
CO
AQI 39
Good
5.49μg/m³
PM2.5
25.02μg/m³
PM10
41.81ppb
O3
0.88ppb
SO2
3.84ppb
NO2
0.15ppm
CO
AQI 45
Good
5.88μg/m³
PM2.5
22.94μg/m³
PM10
49.16ppb
O3
1.71ppb
SO2
5.13ppb
NO2
0.14ppm
CO
AQI 42
Good
6.01μg/m³
PM2.5
22.09μg/m³
PM10
44.81ppb
O3
2.83ppb
SO2
3.99ppb
NO2
0.14ppm
CO
AQI 44
Good
5.77μg/m³
PM2.5
16.70μg/m³
PM10
48.24ppb
O3
2.13ppb
SO2
4.12ppb
NO2
0.15ppm
CO
AQI 38
Good
4.53μg/m³
PM2.5
21.47μg/m³
PM10
40.95ppb
O3
0.59ppb
SO2
3.02ppb
NO2
0.14ppm
CO
Air quality measurements for Ohio, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Tiffin, Ohio is updated on an hourly basis.
The worst air quality in Tiffin, Ohio was recorded at 03:00:00 on 2026-07-23.
The best air quality in Tiffin, Ohio was recorded at 03:00:00 on 2026-07-23.
The real-time air quality index in Tiffin, Ohio is 45, currently categorized as Good.
The most common pollutant in Tiffin, Ohio is O3.
If the air quality in Tiffin, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Tiffin, Ohio at present are 5.292 μg/m3.
The current PM10 levels in Tiffin, Ohio are 16.494 μg/m3.
The current carbon monoxide (CO) level in Tiffin, Ohio is 0.144 ppm.
The current sulfur dioxide (SO2) levels in Tiffin, Ohio are 1.486 ppb.
The current ozone (O3) levels at Tiffin, Ohio is 48.772 ppm.
The current nitrogen dioxide (NO2) levels at Tiffin, Ohio is 3.912 ppb.
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