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)
27
Good
Fostoria, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.32 μg/m³
0
55
155
255
425
605+
15.88 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
4.04 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fostoria, Ohio
Fostoria, Ohio
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AQI 27
Good
4.77μg/m³
PM2.5
18.70μg/m³
PM10
15.86ppb
O3
0.50ppb
SO2
4.18ppb
NO2
0.27ppm
CO
AQI 27
Good
5.17μg/m³
PM2.5
14.40μg/m³
PM10
16.61ppb
O3
0.50ppb
SO2
5.74ppb
NO2
0.26ppm
CO
AQI 33
Good
5.61μg/m³
PM2.5
22.39μg/m³
PM10
10.54ppb
O3
0.50ppb
SO2
4.24ppb
NO2
0.28ppm
CO
AQI 27
Good
4.58μg/m³
PM2.5
16.03μg/m³
PM10
15.89ppb
O3
0.50ppb
SO2
4.52ppb
NO2
0.28ppm
CO
AQI 27
Good
5.46μg/m³
PM2.5
24.13μg/m³
PM10
7.06ppb
O3
0.50ppb
SO2
4.96ppb
NO2
0.29ppm
CO
AQI 33
Good
5.62μg/m³
PM2.5
24.93μg/m³
PM10
6.96ppb
O3
0.50ppb
SO2
4.85ppb
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 03:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Fostoria, Ohio was observed at 11:00:00 on 2026-09-06.
As of now, the AQI in Fostoria, Ohio is 27, 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 4.874 μg/m3.
The PM10 concentration in Fostoria, Ohio is 17.323 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fostoria, Ohio is 0.269 ppm.
Currently, Fostoria, Ohio has a sulfur dioxide (SO2) concentration of 0.499 ppb.
The current ozone (O3) level in Fostoria, Ohio at the moment is 15.876 ppm.
Nitrogen dioxide (NO2) level in Fostoria, Ohio at the moment is 4.043 ppb.
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