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)
77
Moderate
Frankfort, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
22.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
106.14 μg/m³
0
55
155
255
425
605+
23.29 ppb
0
55
71
86
201
201+
1.16 ppb
0
36
76
186
605
1005+
9.42 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Frankfort, Indiana
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AQI 44
Good
7.55μg/m³
PM2.5
14.63μg/m³
PM10
42.88ppb
O3
1.18ppb
SO2
1.32ppb
NO2
0.20ppm
CO
AQI 31
Good
2.19μg/m³
PM2.5
9.16μg/m³
PM10
34.07ppb
O3
1.39ppb
SO2
1.03ppb
NO2
0.18ppm
CO
AQI 31
Good
2.31μg/m³
PM2.5
9.39μg/m³
PM10
34.18ppb
O3
1.38ppb
SO2
1.08ppb
NO2
0.18ppm
CO
AQI 39
Good
7.43μg/m³
PM2.5
15.94μg/m³
PM10
42.40ppb
O3
1.16ppb
SO2
1.42ppb
NO2
0.20ppm
CO
AQI 36
Good
3.93μg/m³
PM2.5
17.16μg/m³
PM10
38.95ppb
O3
1.42ppb
SO2
3.69ppb
NO2
0.21ppm
CO
AQI 42
Good
5.80μg/m³
PM2.5
45.00μg/m³
PM10
41.86ppb
O3
0.98ppb
SO2
1.12ppb
NO2
0.16ppm
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 09:00:00 on 2025-07-20.
In the last 24 hrs, the best air quality in Frankfort, Indiana was observed at 12:00:00 on 2025-07-21.
The current air quality in Frankfort, Indiana is 49, 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 8.884 μg/m3.
The current PM10 concentration at Frankfort, Indiana is 28.49 μg/m3.
The current carbon monoxide (CO) concentration at Frankfort, Indiana is 0.179 ppm.
The current sulfur dioxide (SO2) concentration at Frankfort, Indiana is 1.366 ppb.
The current ozone (O3) concentration at Frankfort, Indiana is 38.524 ppm.
The current nitrogen dioxide (NO2) concentration at Frankfort, Indiana is 3.371 ppb.
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