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)
77
Moderate
Franklin, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
22.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
72.68 μg/m³
0
55
155
255
425
605+
46.05 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
4.54 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Franklin, Indiana
Franklin, Indiana
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AQI 77
Moderate
22.99μg/m³
PM2.5
96.67μg/m³
PM10
44.32ppb
O3
0.58ppb
SO2
4.52ppb
NO2
0.24ppm
CO
AQI 77
Moderate
22.77μg/m³
PM2.5
87.40μg/m³
PM10
46.19ppb
O3
0.54ppb
SO2
4.32ppb
NO2
0.24ppm
CO
AQI 77
Moderate
22.77μg/m³
PM2.5
85.54μg/m³
PM10
49.74ppb
O3
0.91ppb
SO2
4.73ppb
NO2
0.24ppm
CO
AQI 77
Moderate
22.72μg/m³
PM2.5
80.04μg/m³
PM10
40.74ppb
O3
0.47ppb
SO2
3.89ppb
NO2
0.24ppm
CO
AQI 75
Moderate
22.11μg/m³
PM2.5
75.83μg/m³
PM10
46.13ppb
O3
0.61ppb
SO2
4.64ppb
NO2
0.26ppm
CO
AQI 75
Moderate
22.43μg/m³
PM2.5
88.81μg/m³
PM10
48.69ppb
O3
0.40ppb
SO2
5.25ppb
NO2
0.25ppm
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 04:00:00 on 2025-06-04.
In the last 24 hours, the best air quality in Franklin, Indiana was observed at 01:00:00 on 2025-06-04.
As of now, the AQI in Franklin, Indiana is 77, 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 22.759 μg/m3.
The PM10 concentration in Franklin, Indiana is 72.679 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Indiana is 0.243 ppm.
Currently, Franklin, Indiana has a sulfur dioxide (SO2) concentration of 0.58 ppb.
The current ozone (O3) level in Franklin, Indiana at the moment is 46.054 ppm.
Nitrogen dioxide (NO2) level in Franklin, Indiana at the moment is 4.536 ppb.
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