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
6.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.77 μg/m³
0
55
155
255
425
605+
40.75 ppb
0
55
71
86
201
201+
1.28 ppb
0
36
76
186
605
1005+
6.11 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 44
Good
7.83μg/m³
PM2.5
32.00μg/m³
PM10
35.21ppb
O3
4.11ppb
SO2
6.64ppb
NO2
0.18ppm
CO
AQI 44
Good
7.76μg/m³
PM2.5
29.11μg/m³
PM10
35.68ppb
O3
2.24ppb
SO2
7.06ppb
NO2
0.18ppm
CO
AQI 38
Good
7.32μg/m³
PM2.5
32.19μg/m³
PM10
39.97ppb
O3
1.40ppb
SO2
1.63ppb
NO2
0.17ppm
CO
AQI 35
Good
6.20μg/m³
PM2.5
28.04μg/m³
PM10
38.33ppb
O3
4.53ppb
SO2
4.25ppb
NO2
0.18ppm
CO
AQI 44
Good
8.01μg/m³
PM2.5
30.92μg/m³
PM10
37.94ppb
O3
4.61ppb
SO2
6.27ppb
NO2
0.18ppm
CO
AQI 56
Moderate
11.91μg/m³
PM2.5
51.81μg/m³
PM10
35.63ppb
O3
2.15ppb
SO2
5.97ppb
NO2
0.19ppm
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 08:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Fremont, Ohio was observed at 12:00:00 on 2026-03-09.
As of now, the AQI in Fremont, Ohio is 38, 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 6.856 μg/m3.
The PM10 concentration in Fremont, Ohio is 32.768 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fremont, Ohio is 0.187 ppm.
Currently, Fremont, Ohio has a sulfur dioxide (SO2) concentration of 1.284 ppb.
The current ozone (O3) level in Fremont, Ohio at the moment is 40.75 ppm.
Nitrogen dioxide (NO2) level in Fremont, Ohio at the moment is 6.11 ppb.
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