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)
56
Moderate
Fremont, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
45.19 μg/m³
0
55
155
255
425
605+
38.14 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
5.46 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fremont, Ohio
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AQI 27
Good
5.19μg/m³
PM2.5
21.04μg/m³
PM10
25.78ppb
O3
0.74ppb
SO2
6.40ppb
NO2
0.16ppm
CO
AQI 27
Good
5.18μg/m³
PM2.5
22.25μg/m³
PM10
25.27ppb
O3
0.77ppb
SO2
6.80ppb
NO2
0.16ppm
CO
AQI 67
Moderate
18.00μg/m³
PM2.5
80.08μg/m³
PM10
30.64ppb
O3
0.33ppb
SO2
2.79ppb
NO2
0.18ppm
CO
AQI 38
Good
6.65μg/m³
PM2.5
33.92μg/m³
PM10
26.88ppb
O3
0.83ppb
SO2
5.27ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
47.77μg/m³
PM10
23.73ppb
O3
0.75ppb
SO2
7.72ppb
NO2
0.17ppm
CO
AQI 43
Good
5.41μg/m³
PM2.5
46.14μg/m³
PM10
26.13ppb
O3
0.93ppb
SO2
7.20ppb
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 2025-07-20.
In the last 24 hours, the best air quality in Fremont, Ohio was observed at 05:00:00 on 2025-07-21.
As of now, the AQI in Fremont, Ohio is 25, indicating Good conditions.
Fremont, Ohio air has the highest levels of O3.
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 4.45 μg/m3.
The PM10 concentration in Fremont, Ohio is 25.761 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fremont, Ohio is 0.172 ppm.
Currently, Fremont, Ohio has a sulfur dioxide (SO2) concentration of 0.923 ppb.
The current ozone (O3) level in Fremont, Ohio at the moment is 26.873 ppm.
Nitrogen dioxide (NO2) level in Fremont, Ohio at the moment is 7.398 ppb.
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