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)
38
Good
Fremont, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.44 μg/m³
0
55
155
255
425
605+
25.36 ppb
0
55
71
86
201
201+
3.10 ppb
0
36
76
186
605
1005+
5.17 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fremont, Ohio
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AQI 52
Moderate
10.28μg/m³
PM2.5
43.10μg/m³
PM10
30.55ppb
O3
2.37ppb
SO2
4.61ppb
NO2
0.20ppm
CO
AQI 49
Good
9.42μg/m³
PM2.5
39.62μg/m³
PM10
30.45ppb
O3
2.06ppb
SO2
7.12ppb
NO2
0.20ppm
CO
AQI 34
Good
4.94μg/m³
PM2.5
21.00μg/m³
PM10
36.85ppb
O3
0.67ppb
SO2
5.85ppb
NO2
0.19ppm
CO
AQI 44
Good
7.75μg/m³
PM2.5
30.05μg/m³
PM10
33.13ppb
O3
1.95ppb
SO2
4.69ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.71μg/m³
PM2.5
44.05μg/m³
PM10
26.48ppb
O3
2.54ppb
SO2
5.37ppb
NO2
0.20ppm
CO
AQI 58
Moderate
12.60μg/m³
PM2.5
55.94μg/m³
PM10
29.11ppb
O3
2.50ppb
SO2
5.73ppb
NO2
0.20ppm
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 06:00:00 on 2026-03-10.
In the last 24 hours, the best air quality in Fremont, Ohio was observed at 07:00:00 on 2026-03-10.
As of now, the AQI in Fremont, Ohio is 38, 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 7.1 μg/m3.
The PM10 concentration in Fremont, Ohio is 27.442 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fremont, Ohio is 0.218 ppm.
Currently, Fremont, Ohio has a sulfur dioxide (SO2) concentration of 3.096 ppb.
The current ozone (O3) level in Fremont, Ohio at the moment is 25.364 ppm.
Nitrogen dioxide (NO2) level in Fremont, Ohio at the moment is 5.169 ppb.
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