Stay updated with real-time air quality in Frankfort, 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)
27
Good
Frankfort, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.00 μg/m³
0
55
155
255
425
605+
23.15 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
7.99 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Frankfort, Indiana
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AQI 38
Good
6.97μg/m³
PM2.5
23.28μg/m³
PM10
26.25ppb
O3
0.70ppb
SO2
6.95ppb
NO2
0.22ppm
CO
AQI 23
Good
1.18μg/m³
PM2.5
5.45μg/m³
PM10
25.44ppb
O3
0.58ppb
SO2
8.19ppb
NO2
0.26ppm
CO
AQI 23
Good
1.29μg/m³
PM2.5
6.08μg/m³
PM10
25.36ppb
O3
0.58ppb
SO2
8.18ppb
NO2
0.25ppm
CO
AQI 38
Good
6.97μg/m³
PM2.5
24.20μg/m³
PM10
26.35ppb
O3
0.71ppb
SO2
6.96ppb
NO2
0.22ppm
CO
AQI 28
Good
3.67μg/m³
PM2.5
16.39μg/m³
PM10
29.80ppb
O3
0.69ppb
SO2
8.64ppb
NO2
0.22ppm
CO
AQI 27
Good
5.49μg/m³
PM2.5
26.80μg/m³
PM10
25.06ppb
O3
0.58ppb
SO2
7.13ppb
NO2
0.25ppm
CO
Air quality data and pollutant measurements for Indiana, 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 Frankfort, Indiana is updated every hour.
The worst air quality in Frankfort, Indiana in the last 24 hours was observed at 01:00:00 on 2026-09-10.
In the last 24 hrs, the best air quality in Frankfort, Indiana was observed at 06:00:00 on 2026-09-10.
The current air quality in Frankfort, Indiana is 27, categorized as Good based on real-time data.
The most common pollutant in Frankfort, Indiana is PM2.5.
If the air quality in Frankfort, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Frankfort, Indiana is 5.005 μg/m3.
The current PM10 concentration at Frankfort, Indiana is 17.995 μg/m3.
The current carbon monoxide (CO) concentration at Frankfort, Indiana is 0.219 ppm.
The current sulfur dioxide (SO2) concentration at Frankfort, Indiana is 0.562 ppb.
The current ozone (O3) concentration at Frankfort, Indiana is 23.153 ppm.
The current nitrogen dioxide (NO2) concentration at Frankfort, Indiana is 7.992 ppb.
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