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
6.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.10 μg/m³
0
55
155
255
425
605+
40.01 ppb
0
55
71
86
201
201+
2.12 ppb
0
36
76
186
605
1005+
6.67 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fostoria, Ohio
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AQI 44
Good
7.83μg/m³
PM2.5
32.00μg/m³
PM10
35.21ppb
O3
4.11ppb
SO2
6.64ppb
NO2
0.18ppm
CO
AQI 38
Good
6.58μg/m³
PM2.5
15.88μg/m³
PM10
37.53ppb
O3
3.95ppb
SO2
7.06ppb
NO2
0.18ppm
CO
AQI 44
Good
8.01μg/m³
PM2.5
30.92μg/m³
PM10
37.94ppb
O3
4.61ppb
SO2
6.27ppb
NO2
0.18ppm
CO
AQI 44
Good
7.87μg/m³
PM2.5
41.85μg/m³
PM10
34.82ppb
O3
1.32ppb
SO2
6.28ppb
NO2
0.19ppm
CO
AQI 35
Good
6.48μg/m³
PM2.5
26.46μg/m³
PM10
37.71ppb
O3
4.75ppb
SO2
6.08ppb
NO2
0.18ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
26.22μg/m³
PM10
37.76ppb
O3
4.78ppb
SO2
6.09ppb
NO2
0.18ppm
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 08:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Fostoria, Ohio was observed at 01:00:00 on 2026-03-09.
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 6.583 μg/m3.
The PM10 concentration in Fostoria, Ohio is 32.104 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fostoria, Ohio is 0.183 ppm.
Currently, Fostoria, Ohio has a sulfur dioxide (SO2) concentration of 2.119 ppb.
The current ozone (O3) level in Fostoria, Ohio at the moment is 40.012 ppm.
Nitrogen dioxide (NO2) level in Fostoria, Ohio at the moment is 6.665 ppb.
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