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)
54
Moderate
Franklin, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.26 μg/m³
0
55
155
255
425
605+
22.15 ppb
0
55
71
86
201
201+
0.91 ppb
0
36
76
186
605
1005+
7.14 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Franklin, Indiana
Franklin, Indiana
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AQI 49
Good
9.02μg/m³
PM2.5
24.34μg/m³
PM10
22.11ppb
O3
0.90ppb
SO2
5.43ppb
NO2
0.25ppm
CO
AQI 44
Good
7.92μg/m³
PM2.5
34.17μg/m³
PM10
22.64ppb
O3
0.91ppb
SO2
5.37ppb
NO2
0.26ppm
CO
AQI 49
Good
9.05μg/m³
PM2.5
36.98μg/m³
PM10
28.76ppb
O3
0.94ppb
SO2
7.24ppb
NO2
0.24ppm
CO
AQI 44
Good
8.23μg/m³
PM2.5
30.61μg/m³
PM10
24.66ppb
O3
0.93ppb
SO2
5.57ppb
NO2
0.29ppm
CO
AQI 52
Moderate
10.21μg/m³
PM2.5
35.09μg/m³
PM10
18.81ppb
O3
0.77ppb
SO2
5.61ppb
NO2
0.22ppm
CO
AQI 56
Moderate
12.13μg/m³
PM2.5
39.68μg/m³
PM10
23.19ppb
O3
0.88ppb
SO2
5.75ppb
NO2
0.22ppm
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 01:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Franklin, Indiana was observed at 04:00:00 on 2026-06-08.
As of now, the AQI in Franklin, Indiana is 54, indicating Moderate 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 10.519 μg/m3.
The PM10 concentration in Franklin, Indiana is 17.263 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Indiana is 0.248 ppm.
Currently, Franklin, Indiana has a sulfur dioxide (SO2) concentration of 0.907 ppb.
The current ozone (O3) level in Franklin, Indiana at the moment is 22.146 ppm.
Nitrogen dioxide (NO2) level in Franklin, Indiana at the moment is 7.145 ppb.
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