Stay updated with real-time air quality in Fostoria, 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)
34
Good
Fostoria, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.14 μg/m³
0
55
155
255
425
605+
36.79 ppb
0
55
71
86
201
201+
1.92 ppb
0
36
76
186
605
1005+
1.90 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fostoria, Ohio
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AQI 34
Good
1.53μg/m³
PM2.5
5.38μg/m³
PM10
36.55ppb
O3
1.43ppb
SO2
2.12ppb
NO2
0.13ppm
CO
AQI 34
Good
1.61μg/m³
PM2.5
5.86μg/m³
PM10
36.71ppb
O3
1.50ppb
SO2
2.17ppb
NO2
0.13ppm
CO
AQI 34
Good
1.43μg/m³
PM2.5
9.68μg/m³
PM10
37.15ppb
O3
1.32ppb
SO2
2.28ppb
NO2
0.13ppm
CO
AQI 33
Good
1.48μg/m³
PM2.5
10.73μg/m³
PM10
35.85ppb
O3
1.21ppb
SO2
2.53ppb
NO2
0.13ppm
CO
AQI 34
Good
1.39μg/m³
PM2.5
7.09μg/m³
PM10
37.29ppb
O3
1.18ppb
SO2
2.24ppb
NO2
0.12ppm
CO
AQI 35
Good
1.38μg/m³
PM2.5
7.50μg/m³
PM10
37.55ppb
O3
1.19ppb
SO2
2.24ppb
NO2
0.12ppm
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 Fostoria, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Fostoria, Ohio was at its worst at 12:00:00 on 2026-03-14.
In the last 24 hours, the best air quality in Fostoria, Ohio was observed at 11:00:00 on 2026-03-13.
As of now, the AQI in Fostoria, Ohio is 34, indicating Good conditions.
Fostoria, Ohio air has the highest levels of O3.
Poor air quality in Fostoria, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Fostoria, Ohio are currently 1.508 μg/m3.
The PM10 concentration in Fostoria, Ohio is 6.142 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fostoria, Ohio is 0.131 ppm.
Currently, Fostoria, Ohio has a sulfur dioxide (SO2) concentration of 1.921 ppb.
The current ozone (O3) level in Fostoria, Ohio at the moment is 36.786 ppm.
Nitrogen dioxide (NO2) level in Fostoria, Ohio at the moment is 1.904 ppb.
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