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)
54
Moderate
Fremont, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.38 μg/m³
0
55
155
255
425
605+
28.29 ppb
0
55
71
86
201
201+
2.26 ppb
0
36
76
186
605
1005+
10.30 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fremont, Ohio
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AQI 54
Moderate
10.73μg/m³
PM2.5
24.53μg/m³
PM10
24.25ppb
O3
3.84ppb
SO2
6.35ppb
NO2
0.34ppm
CO
AQI 56
Moderate
11.71μg/m³
PM2.5
30.17μg/m³
PM10
26.36ppb
O3
2.89ppb
SO2
6.09ppb
NO2
0.34ppm
CO
AQI 56
Moderate
11.68μg/m³
PM2.5
51.94μg/m³
PM10
44.45ppb
O3
0.54ppb
SO2
4.23ppb
NO2
0.27ppm
CO
AQI 69
Moderate
18.96μg/m³
PM2.5
52.85μg/m³
PM10
26.74ppb
O3
2.66ppb
SO2
12.43ppb
NO2
0.33ppm
CO
AQI 54
Moderate
11.01μg/m³
PM2.5
40.11μg/m³
PM10
26.44ppb
O3
2.92ppb
SO2
6.12ppb
NO2
0.35ppm
CO
AQI 102
Unhealthy for sensitive groups
36.09μg/m³
PM2.5
89.65μg/m³
PM10
27.25ppb
O3
2.97ppb
SO2
9.10ppb
NO2
0.38ppm
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 04:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Fremont, Ohio was observed at 03:00:00 on 2025-06-06.
As of now, the AQI in Fremont, Ohio is 54, 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 11.219 μg/m3.
The PM10 concentration in Fremont, Ohio is 20.378 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fremont, Ohio is 0.341 ppm.
Currently, Fremont, Ohio has a sulfur dioxide (SO2) concentration of 2.256 ppb.
The current ozone (O3) level in Fremont, Ohio at the moment is 28.287 ppm.
Nitrogen dioxide (NO2) level in Fremont, Ohio at the moment is 10.299 ppb.
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