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
6.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.29 μg/m³
0
55
155
255
425
605+
27.93 ppb
0
55
71
86
201
201+
1.35 ppb
0
36
76
186
605
1005+
5.18 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fremont, Ohio
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AQI 33
Good
6.23μg/m³
PM2.5
19.60μg/m³
PM10
30.26ppb
O3
1.34ppb
SO2
8.41ppb
NO2
0.15ppm
CO
AQI 38
Good
6.82μg/m³
PM2.5
33.21μg/m³
PM10
30.89ppb
O3
1.05ppb
SO2
8.03ppb
NO2
0.15ppm
CO
AQI 54
Moderate
10.81μg/m³
PM2.5
48.02μg/m³
PM10
27.63ppb
O3
0.74ppb
SO2
4.46ppb
NO2
0.16ppm
CO
AQI 49
Good
8.98μg/m³
PM2.5
32.21μg/m³
PM10
24.22ppb
O3
0.75ppb
SO2
7.81ppb
NO2
0.17ppm
CO
AQI 38
Good
7.03μg/m³
PM2.5
30.47μg/m³
PM10
27.93ppb
O3
1.44ppb
SO2
5.73ppb
NO2
0.16ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
29.14μg/m³
PM10
31.65ppb
O3
1.58ppb
SO2
6.40ppb
NO2
0.17ppm
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 03:00:00 on 2026-06-08.
In the last 24 hours, the best air quality in Fremont, Ohio was observed at 07:00:00 on 2026-06-08.
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 6.634 μg/m3.
The PM10 concentration in Fremont, Ohio is 32.294 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fremont, Ohio is 0.159 ppm.
Currently, Fremont, Ohio has a sulfur dioxide (SO2) concentration of 1.352 ppb.
The current ozone (O3) level in Fremont, Ohio at the moment is 27.934 ppm.
Nitrogen dioxide (NO2) level in Fremont, Ohio at the moment is 5.184 ppb.
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