Stay updated with real-time air quality in Franklin, 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)
79
Moderate
Franklin, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
23.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
97.46 μg/m³
0
55
155
255
425
605+
45.52 ppb
0
55
71
86
201
201+
1.96 ppb
0
36
76
186
605
1005+
8.48 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Franklin, Ohio
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AQI 88
Moderate
29.43μg/m³
PM2.5
80.34μg/m³
PM10
42.34ppb
O3
1.61ppb
SO2
7.61ppb
NO2
0.25ppm
CO
AQI 86
Moderate
27.83μg/m³
PM2.5
99.08μg/m³
PM10
40.85ppb
O3
1.64ppb
SO2
7.44ppb
NO2
0.25ppm
CO
AQI 81
Moderate
25.30μg/m³
PM2.5
97.32μg/m³
PM10
47.43ppb
O3
1.93ppb
SO2
7.66ppb
NO2
0.25ppm
CO
AQI 84
Moderate
27.03μg/m³
PM2.5
64.74μg/m³
PM10
46.25ppb
O3
1.68ppb
SO2
7.45ppb
NO2
0.25ppm
CO
AQI 81
Moderate
24.74μg/m³
PM2.5
85.89μg/m³
PM10
45.99ppb
O3
1.97ppb
SO2
7.91ppb
NO2
0.25ppm
CO
AQI 88
Moderate
28.62μg/m³
PM2.5
99.47μg/m³
PM10
44.02ppb
O3
1.52ppb
SO2
7.41ppb
NO2
0.25ppm
CO
Air quality data and pollutant measurements for Ohio, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Franklin, Ohio is updated every hour.
The worst air quality in Franklin, Ohio in the last 24 hours was observed at 11:00:00 on 2025-07-21.
In the last 24 hrs, the best air quality in Franklin, Ohio was observed at 08:00:00 on 2025-07-21.
The current air quality in Franklin, Ohio is 79, categorized as Moderate based on real-time data.
The most common pollutant in Franklin, Ohio is PM2.5.
If the air quality in Franklin, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Franklin, Ohio is 23.887 μg/m3.
The current PM10 concentration at Franklin, Ohio is 97.456 μg/m3.
The current carbon monoxide (CO) concentration at Franklin, Ohio is 0.26 ppm.
The current sulfur dioxide (SO2) concentration at Franklin, Ohio is 1.955 ppb.
The current ozone (O3) concentration at Franklin, Ohio is 45.523 ppm.
The current nitrogen dioxide (NO2) concentration at Franklin, Ohio is 8.484 ppb.
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