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)
38
Good
Fostoria, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.30 μg/m³
0
55
155
255
425
605+
19.25 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
4.64 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fostoria, Ohio
Fostoria, Ohio
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AQI 33
Good
5.67μg/m³
PM2.5
22.24μg/m³
PM10
24.12ppb
O3
0.67ppb
SO2
4.08ppb
NO2
0.29ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
36.45μg/m³
PM10
23.18ppb
O3
0.79ppb
SO2
4.12ppb
NO2
0.27ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
26.13μg/m³
PM10
26.99ppb
O3
0.59ppb
SO2
2.79ppb
NO2
0.28ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
23.55μg/m³
PM10
19.93ppb
O3
0.66ppb
SO2
5.57ppb
NO2
0.29ppm
CO
AQI 52
Moderate
9.66μg/m³
PM2.5
41.77μg/m³
PM10
21.07ppb
O3
0.61ppb
SO2
2.78ppb
NO2
0.30ppm
CO
AQI 52
Moderate
9.77μg/m³
PM2.5
41.57μg/m³
PM10
20.86ppb
O3
0.61ppb
SO2
2.78ppb
NO2
0.29ppm
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 05:00:00 on 2026-08-15.
In the last 24 hours, the best air quality in Fostoria, Ohio was observed at 08:00:00 on 2026-08-16.
As of now, the AQI in Fostoria, Ohio is 38, indicating Good conditions.
Fostoria, Ohio air has the highest levels of PM2.5.
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 6.707 μg/m3.
The PM10 concentration in Fostoria, Ohio is 29.296 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fostoria, Ohio is 0.258 ppm.
Currently, Fostoria, Ohio has a sulfur dioxide (SO2) concentration of 0.648 ppb.
The current ozone (O3) level in Fostoria, Ohio at the moment is 19.254 ppm.
Nitrogen dioxide (NO2) level in Fostoria, Ohio at the moment is 4.636 ppb.
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