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)
73
Moderate
Tiffin, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
88.40 μg/m³
0
55
155
255
425
605+
7.24 ppb
0
55
71
86
201
201+
2.00 ppb
0
36
76
186
605
1005+
17.95 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Tiffin, Ohio
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AQI 64
Moderate
15.60μg/m³
PM2.5
72.73μg/m³
PM10
9.70ppb
O3
1.92ppb
SO2
7.28ppb
NO2
0.26ppm
CO
AQI 60
Moderate
14.41μg/m³
PM2.5
35.49μg/m³
PM10
7.59ppb
O3
1.30ppb
SO2
8.38ppb
NO2
0.27ppm
CO
AQI 49
Good
8.54μg/m³
PM2.5
52.46μg/m³
PM10
12.36ppb
O3
1.26ppb
SO2
10.47ppb
NO2
0.28ppm
CO
AQI 61
Moderate
14.12μg/m³
PM2.5
76.45μg/m³
PM10
5.29ppb
O3
1.49ppb
SO2
6.71ppb
NO2
0.25ppm
CO
AQI 62
Moderate
13.04μg/m³
PM2.5
77.87μg/m³
PM10
23.05ppb
O3
1.34ppb
SO2
7.40ppb
NO2
0.25ppm
CO
AQI 73
Moderate
20.86μg/m³
PM2.5
76.92μg/m³
PM10
6.00ppb
O3
1.05ppb
SO2
6.23ppb
NO2
0.28ppm
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 2026-03-05.
The best air quality in Tiffin, Ohio was recorded at 05:00:00 on 2026-03-04.
The real-time air quality index in Tiffin, Ohio is 73, currently categorized as Moderate.
The most common pollutant in Tiffin, Ohio is PM2.5.
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 20.966 μg/m3.
The current PM10 levels in Tiffin, Ohio are 88.401 μg/m3.
The current carbon monoxide (CO) level in Tiffin, Ohio is 0.286 ppm.
The current sulfur dioxide (SO2) levels in Tiffin, Ohio are 2.001 ppb.
The current ozone (O3) levels at Tiffin, Ohio is 7.239 ppm.
The current nitrogen dioxide (NO2) levels at Tiffin, Ohio is 17.949 ppb.
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