Stay updated with real-time air quality in Lafayette, 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)
23
Good
Lafayette, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.84 μg/m³
0
55
155
255
425
605+
25.37 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.70 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Indiana
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AQI 41
Good
7.36μg/m³
PM2.5
43.59μg/m³
PM10
23.51ppb
O3
0.69ppb
SO2
4.01ppb
NO2
0.19ppm
CO
AQI 27
Good
4.97μg/m³
PM2.5
26.56μg/m³
PM10
20.73ppb
O3
0.62ppb
SO2
4.91ppb
NO2
0.21ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
28.04μg/m³
PM10
24.99ppb
O3
0.78ppb
SO2
5.02ppb
NO2
0.19ppm
CO
AQI 24
Good
4.21μg/m³
PM2.5
17.05μg/m³
PM10
25.94ppb
O3
0.63ppb
SO2
5.01ppb
NO2
0.21ppm
CO
AQI 22
Good
4.47μg/m³
PM2.5
18.03μg/m³
PM10
21.37ppb
O3
0.65ppb
SO2
4.16ppb
NO2
0.21ppm
CO
AQI 22
Good
4.34μg/m³
PM2.5
18.41μg/m³
PM10
21.04ppb
O3
0.97ppb
SO2
5.80ppb
NO2
0.21ppm
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 Lafayette, Indiana is updated every hour.
The worst air quality in Lafayette, Indiana in the last 24 hours was observed at 07:00:00 on 2025-10-21.
In the last 24 hrs, the best air quality in Lafayette, Indiana was observed at 03:00:00 on 2025-10-22.
The current air quality in Lafayette, Indiana is 23, categorized as Good based on real-time data.
The most common pollutant in Lafayette, Indiana is O3.
If the air quality in Lafayette, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Lafayette, Indiana is 4.067 μg/m3.
The current PM10 concentration at Lafayette, Indiana is 17.845 μg/m3.
The current carbon monoxide (CO) concentration at Lafayette, Indiana is 0.199 ppm.
The current sulfur dioxide (SO2) concentration at Lafayette, Indiana is 0.791 ppb.
The current ozone (O3) concentration at Lafayette, Indiana is 25.372 ppm.
The current nitrogen dioxide (NO2) concentration at Lafayette, Indiana is 2.701 ppb.
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