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)
52
Moderate
Franklin, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.18 μg/m³
0
55
155
255
425
605+
33.53 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
8.11 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Franklin, Indiana
Franklin, Indiana
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AQI 27
Good
4.73μg/m³
PM2.5
24.58μg/m³
PM10
28.36ppb
O3
0.54ppb
SO2
5.61ppb
NO2
0.17ppm
CO
AQI 27
Good
4.71μg/m³
PM2.5
24.33μg/m³
PM10
26.24ppb
O3
0.54ppb
SO2
4.51ppb
NO2
0.18ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
23.72μg/m³
PM10
26.46ppb
O3
0.52ppb
SO2
4.77ppb
NO2
0.17ppm
CO
AQI 27
Good
4.91μg/m³
PM2.5
18.99μg/m³
PM10
26.70ppb
O3
0.55ppb
SO2
4.66ppb
NO2
0.21ppm
CO
AQI 27
Good
4.88μg/m³
PM2.5
22.84μg/m³
PM10
28.68ppb
O3
0.55ppb
SO2
6.31ppb
NO2
0.17ppm
CO
AQI 29
Good
4.35μg/m³
PM2.5
19.05μg/m³
PM10
30.79ppb
O3
0.52ppb
SO2
7.31ppb
NO2
0.15ppm
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 05:00:00 on 2025-09-03.
In the last 24 hours, the best air quality in Franklin, Indiana was observed at 08:00:00 on 2025-09-04.
As of now, the AQI in Franklin, Indiana is 22, 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 4.409 μg/m3.
The PM10 concentration in Franklin, Indiana is 20.336 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Indiana is 0.174 ppm.
Currently, Franklin, Indiana has a sulfur dioxide (SO2) concentration of 0.513 ppb.
The current ozone (O3) level in Franklin, Indiana at the moment is 21.882 ppm.
Nitrogen dioxide (NO2) level in Franklin, Indiana at the moment is 6.653 ppb.
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