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)
34
Good
Frankfort, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.73 μg/m³
0
55
155
255
425
605+
37.21 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
5.47 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Frankfort, Indiana
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AQI 33
Good
2.75μg/m³
PM2.5
8.93μg/m³
PM10
36.08ppb
O3
0.43ppb
SO2
5.20ppb
NO2
0.18ppm
CO
AQI 33
Good
2.21μg/m³
PM2.5
9.06μg/m³
PM10
35.84ppb
O3
0.63ppb
SO2
2.54ppb
NO2
0.18ppm
CO
AQI 33
Good
2.23μg/m³
PM2.5
9.14μg/m³
PM10
35.90ppb
O3
0.63ppb
SO2
2.58ppb
NO2
0.18ppm
CO
AQI 33
Good
2.75μg/m³
PM2.5
9.14μg/m³
PM10
36.06ppb
O3
0.43ppb
SO2
5.16ppb
NO2
0.18ppm
CO
AQI 36
Good
2.96μg/m³
PM2.5
11.89μg/m³
PM10
38.95ppb
O3
0.69ppb
SO2
5.13ppb
NO2
0.17ppm
CO
AQI 33
Good
2.73μg/m³
PM2.5
13.07μg/m³
PM10
36.34ppb
O3
0.63ppb
SO2
3.92ppb
NO2
0.18ppm
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 2026-03-13.
In the last 24 hrs, the best air quality in Frankfort, Indiana was observed at 02:00:00 on 2026-03-12.
The current air quality in Frankfort, Indiana is 34, 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 2.724 μg/m3.
The current PM10 concentration at Frankfort, Indiana is 11.727 μg/m3.
The current carbon monoxide (CO) concentration at Frankfort, Indiana is 0.176 ppm.
The current sulfur dioxide (SO2) concentration at Frankfort, Indiana is 0.535 ppb.
The current ozone (O3) concentration at Frankfort, Indiana is 37.21 ppm.
The current nitrogen dioxide (NO2) concentration at Frankfort, Indiana is 5.473 ppb.
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