Stay updated with real-time air quality in Franklin, Indiana 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)
44
Good
Franklin, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.30 μg/m³
0
55
155
255
425
605+
38.49 ppb
0
55
71
86
201
201+
1.03 ppb
0
36
76
186
605
1005+
3.15 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Franklin, Indiana
Franklin, Indiana
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AQI 38
Good
7.26μg/m³
PM2.5
27.52μg/m³
PM10
17.47ppb
O3
1.27ppb
SO2
4.32ppb
NO2
0.51ppm
CO
AQI 44
Good
7.98μg/m³
PM2.5
25.77μg/m³
PM10
19.00ppb
O3
1.46ppb
SO2
4.32ppb
NO2
0.57ppm
CO
AQI 38
Good
7.22μg/m³
PM2.5
25.17μg/m³
PM10
18.73ppb
O3
1.48ppb
SO2
4.36ppb
NO2
0.44ppm
CO
AQI 49
Good
8.55μg/m³
PM2.5
31.18μg/m³
PM10
19.08ppb
O3
1.25ppb
SO2
4.38ppb
NO2
0.75ppm
CO
AQI 44
Good
7.87μg/m³
PM2.5
29.10μg/m³
PM10
16.99ppb
O3
1.27ppb
SO2
3.63ppb
NO2
0.44ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
27.22μg/m³
PM10
20.05ppb
O3
1.39ppb
SO2
4.28ppb
NO2
0.38ppm
CO
Air quality and pollutant data for Indiana, 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 Franklin, Indiana is updated every hour for accuracy.
In the past 24 hours, the air quality in Franklin, Indiana was at its worst at 02:00:00 on 2025-07-20.
In the last 24 hours, the best air quality in Franklin, Indiana was observed at 07:00:00 on 2025-07-20.
As of now, the AQI in Franklin, Indiana is 33, indicating Good conditions.
Franklin, Indiana air has the highest levels of PM2.5.
Poor air quality in Franklin, Indiana means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Franklin, Indiana are currently 6.205 μg/m3.
The PM10 concentration in Franklin, Indiana is 26.451 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Indiana is 0.505 ppm.
Currently, Franklin, Indiana has a sulfur dioxide (SO2) concentration of 1.445 ppb.
The current ozone (O3) level in Franklin, Indiana at the moment is 18.468 ppm.
Nitrogen dioxide (NO2) level in Franklin, Indiana at the moment is 4.325 ppb.
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