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)
33
Good
Lafayette, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.80 μg/m³
0
55
155
255
425
605+
32.84 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
10.56 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Indiana
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AQI 33
Good
5.99μg/m³
PM2.5
26.51μg/m³
PM10
32.73ppb
O3
0.64ppb
SO2
10.62ppb
NO2
0.29ppm
CO
AQI 31
Good
4.10μg/m³
PM2.5
21.47μg/m³
PM10
32.86ppb
O3
0.60ppb
SO2
11.34ppb
NO2
0.27ppm
CO
AQI 27
Good
4.82μg/m³
PM2.5
18.77μg/m³
PM10
28.64ppb
O3
0.68ppb
SO2
11.76ppb
NO2
0.30ppm
CO
AQI 19
Good
3.15μg/m³
PM2.5
13.48μg/m³
PM10
20.34ppb
O3
0.54ppb
SO2
16.86ppb
NO2
0.28ppm
CO
AQI 31
Good
2.56μg/m³
PM2.5
11.43μg/m³
PM10
33.78ppb
O3
0.60ppb
SO2
10.24ppb
NO2
0.21ppm
CO
AQI 27
Good
2.12μg/m³
PM2.5
9.11μg/m³
PM10
28.96ppb
O3
0.57ppb
SO2
12.04ppb
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 Lafayette, Indiana is updated every hour.
The worst air quality in Lafayette, Indiana in the last 24 hours was observed at 09:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Lafayette, Indiana was observed at 07:00:00 on 2026-01-22.
The current air quality in Lafayette, Indiana is 33, categorized as Good based on real-time data.
The most common pollutant in Lafayette, Indiana is PM2.5.
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 6.055 μg/m3.
The current PM10 concentration at Lafayette, Indiana is 26.797 μg/m3.
The current carbon monoxide (CO) concentration at Lafayette, Indiana is 0.291 ppm.
The current sulfur dioxide (SO2) concentration at Lafayette, Indiana is 0.645 ppb.
The current ozone (O3) concentration at Lafayette, Indiana is 32.845 ppm.
The current nitrogen dioxide (NO2) concentration at Lafayette, Indiana is 10.559 ppb.
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