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)
19
Good
Fostoria, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.46 μg/m³
0
55
155
255
425
605+
20.37 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
7.07 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fostoria, Ohio
Fostoria, Ohio
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AQI 22
Good
3.81μg/m³
PM2.5
10.49μg/m³
PM10
17.04ppb
O3
0.91ppb
SO2
4.42ppb
NO2
0.16ppm
CO
AQI 16
Good
3.13μg/m³
PM2.5
9.51μg/m³
PM10
15.66ppb
O3
0.93ppb
SO2
4.91ppb
NO2
0.16ppm
CO
AQI 15
Good
2.43μg/m³
PM2.5
8.24μg/m³
PM10
16.01ppb
O3
0.88ppb
SO2
4.77ppb
NO2
0.16ppm
CO
AQI 17
Good
2.38μg/m³
PM2.5
8.36μg/m³
PM10
17.61ppb
O3
0.85ppb
SO2
4.91ppb
NO2
0.16ppm
CO
AQI 16
Good
2.80μg/m³
PM2.5
11.23μg/m³
PM10
16.02ppb
O3
0.85ppb
SO2
4.70ppb
NO2
0.16ppm
CO
AQI 16
Good
2.75μg/m³
PM2.5
11.07μg/m³
PM10
16.02ppb
O3
0.85ppb
SO2
4.70ppb
NO2
0.16ppm
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 11:00:00 on 2025-10-22.
In the last 24 hours, the best air quality in Fostoria, Ohio was observed at 09:00:00 on 2025-10-22.
As of now, the AQI in Fostoria, Ohio is 22, 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 4.213 μg/m3.
The PM10 concentration in Fostoria, Ohio is 17.062 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fostoria, Ohio is 0.158 ppm.
Currently, Fostoria, Ohio has a sulfur dioxide (SO2) concentration of 0.985 ppb.
The current ozone (O3) level in Fostoria, Ohio at the moment is 16.448 ppm.
Nitrogen dioxide (NO2) level in Fostoria, Ohio at the moment is 4.486 ppb.
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