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
2.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.60 μg/m³
0
55
155
255
425
605+
29.45 ppb
0
55
71
86
201
201+
0.90 ppb
0
36
76
186
605
1005+
10.52 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Frankfort, Indiana
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AQI 22
Good
3.67μg/m³
PM2.5
12.45μg/m³
PM10
22.40ppb
O3
0.63ppb
SO2
11.15ppb
NO2
0.34ppm
CO
AQI 29
Good
3.10μg/m³
PM2.5
13.99μg/m³
PM10
30.57ppb
O3
1.05ppb
SO2
9.92ppb
NO2
0.29ppm
CO
AQI 29
Good
3.10μg/m³
PM2.5
13.97μg/m³
PM10
30.51ppb
O3
1.05ppb
SO2
9.94ppb
NO2
0.29ppm
CO
AQI 22
Good
3.77μg/m³
PM2.5
13.34μg/m³
PM10
22.96ppb
O3
0.61ppb
SO2
12.05ppb
NO2
0.34ppm
CO
AQI 29
Good
2.60μg/m³
PM2.5
11.02μg/m³
PM10
30.93ppb
O3
0.88ppb
SO2
10.50ppb
NO2
0.34ppm
CO
AQI 27
Good
2.88μg/m³
PM2.5
20.89μg/m³
PM10
29.01ppb
O3
0.96ppb
SO2
10.09ppb
NO2
0.30ppm
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 2026-01-22.
In the last 24 hrs, the best air quality in Frankfort, Indiana was observed at 08:00:00 on 2026-01-23.
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 O3.
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 2.841 μg/m3.
The current PM10 concentration at Frankfort, Indiana is 20.601 μg/m3.
The current carbon monoxide (CO) concentration at Frankfort, Indiana is 0.322 ppm.
The current sulfur dioxide (SO2) concentration at Frankfort, Indiana is 0.904 ppb.
The current ozone (O3) concentration at Frankfort, Indiana is 29.455 ppm.
The current nitrogen dioxide (NO2) concentration at Frankfort, Indiana is 10.519 ppb.
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