Stay updated with real-time air quality in Fremont, 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)
11
Good
Fremont, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.42 μg/m³
0
55
155
255
425
605+
9.10 ppb
0
55
71
86
201
201+
1.18 ppb
0
36
76
186
605
1005+
6.47 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fremont, Ohio
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AQI 16
Good
2.98μg/m³
PM2.5
7.00μg/m³
PM10
9.00ppb
O3
0.97ppb
SO2
7.78ppb
NO2
0.18ppm
CO
AQI 16
Good
2.89μg/m³
PM2.5
13.26μg/m³
PM10
6.82ppb
O3
1.00ppb
SO2
10.94ppb
NO2
0.18ppm
CO
AQI 14
Good
1.54μg/m³
PM2.5
5.98μg/m³
PM10
15.35ppb
O3
0.36ppb
SO2
3.35ppb
NO2
0.14ppm
CO
AQI 11
Good
2.25μg/m³
PM2.5
7.06μg/m³
PM10
9.57ppb
O3
0.99ppb
SO2
5.51ppb
NO2
0.16ppm
CO
AQI 16
Good
2.74μg/m³
PM2.5
11.74μg/m³
PM10
10.04ppb
O3
0.97ppb
SO2
11.03ppb
NO2
0.18ppm
CO
AQI 11
Good
2.27μg/m³
PM2.5
9.85μg/m³
PM10
9.44ppb
O3
1.16ppb
SO2
10.69ppb
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 Fremont, Ohio is updated every hour for accuracy.
In the past 24 hours, the air quality in Fremont, Ohio was at its worst at 07:00:00 on 2025-10-23.
In the last 24 hours, the best air quality in Fremont, Ohio was observed at 12:00:00 on 2025-10-24.
As of now, the AQI in Fremont, Ohio is 11, indicating Good conditions.
Fremont, Ohio air has the highest levels of PM2.5.
Poor air quality in Fremont, Ohio means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Fremont, Ohio are currently 2.237 μg/m3.
The PM10 concentration in Fremont, Ohio is 11.424 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fremont, Ohio is 0.177 ppm.
Currently, Fremont, Ohio has a sulfur dioxide (SO2) concentration of 1.182 ppb.
The current ozone (O3) level in Fremont, Ohio at the moment is 9.1 ppm.
Nitrogen dioxide (NO2) level in Fremont, Ohio at the moment is 6.47 ppb.
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