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)
60
Moderate
Fremont, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.76 μg/m³
0
55
155
255
425
605+
17.19 ppb
0
55
71
86
201
201+
0.97 ppb
0
36
76
186
605
1005+
4.62 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 60
Moderate
13.57μg/m³
PM2.5
25.17μg/m³
PM10
21.82ppb
O3
1.44ppb
SO2
5.43ppb
NO2
0.20ppm
CO
AQI 60
Moderate
13.71μg/m³
PM2.5
18.88μg/m³
PM10
22.80ppb
O3
1.96ppb
SO2
5.62ppb
NO2
0.20ppm
CO
AQI 62
Moderate
14.78μg/m³
PM2.5
65.69μg/m³
PM10
24.79ppb
O3
0.85ppb
SO2
2.30ppb
NO2
0.18ppm
CO
AQI 62
Moderate
14.55μg/m³
PM2.5
65.00μg/m³
PM10
25.76ppb
O3
1.18ppb
SO2
2.13ppb
NO2
0.18ppm
CO
AQI 58
Moderate
13.11μg/m³
PM2.5
46.93μg/m³
PM10
18.01ppb
O3
1.50ppb
SO2
5.86ppb
NO2
0.20ppm
CO
AQI 58
Moderate
13.24μg/m³
PM2.5
58.65μg/m³
PM10
18.03ppb
O3
0.95ppb
SO2
6.89ppb
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 03:00:00 on 2025-12-13.
In the last 24 hours, the best air quality in Fremont, Ohio was observed at 10:00:00 on 2025-12-12.
As of now, the AQI in Fremont, Ohio is 60, indicating Moderate 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 13.924 μg/m3.
The PM10 concentration in Fremont, Ohio is 40.755 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fremont, Ohio is 0.181 ppm.
Currently, Fremont, Ohio has a sulfur dioxide (SO2) concentration of 0.973 ppb.
The current ozone (O3) level in Fremont, Ohio at the moment is 17.188 ppm.
Nitrogen dioxide (NO2) level in Fremont, Ohio at the moment is 4.623 ppb.
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