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)
56
Moderate
Fostoria, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
46.18 μg/m³
0
55
155
255
425
605+
55.74 ppb
0
55
71
86
201
201+
1.94 ppb
0
36
76
186
605
1005+
6.88 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Fostoria, Ohio
Fostoria, Ohio
Scroll To Air Quality MapLoading...
AQI 44
Good
7.58μg/m³
PM2.5
46.49μg/m³
PM10
46.88ppb
O3
1.88ppb
SO2
6.82ppb
NO2
0.23ppm
CO
AQI 49
Good
8.85μg/m³
PM2.5
51.73μg/m³
PM10
50.24ppb
O3
1.86ppb
SO2
11.50ppb
NO2
0.23ppm
CO
AQI 44
Good
5.92μg/m³
PM2.5
36.36μg/m³
PM10
47.22ppb
O3
1.71ppb
SO2
7.48ppb
NO2
0.23ppm
CO
AQI 44
Good
7.89μg/m³
PM2.5
48.02μg/m³
PM10
47.86ppb
O3
1.59ppb
SO2
6.34ppb
NO2
0.23ppm
CO
AQI 44
Good
7.26μg/m³
PM2.5
38.51μg/m³
PM10
48.44ppb
O3
1.56ppb
SO2
7.60ppb
NO2
0.23ppm
CO
AQI 45
Good
7.21μg/m³
PM2.5
38.43μg/m³
PM10
49.16ppb
O3
1.54ppb
SO2
7.61ppb
NO2
0.23ppm
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 04:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Fostoria, Ohio was observed at 03:00:00 on 2026-10-22.
As of now, the AQI in Fostoria, Ohio is 56, indicating Moderate 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 11.511 μg/m3.
The PM10 concentration in Fostoria, Ohio is 46.18 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fostoria, Ohio is 0.231 ppm.
Currently, Fostoria, Ohio has a sulfur dioxide (SO2) concentration of 1.941 ppb.
The current ozone (O3) level in Fostoria, Ohio at the moment is 55.745 ppm.
Nitrogen dioxide (NO2) level in Fostoria, Ohio at the moment is 6.875 ppb.
All Rights Reserved © Ambee Inc. 2025