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)
69
Moderate
Lafayette, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
82.65 μg/m³
0
55
155
255
425
605+
12.88 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
12.65 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Indiana
Scroll To Air Quality MapLoading...
AQI 69
Moderate
19.35μg/m³
PM2.5
83.99μg/m³
PM10
17.42ppb
O3
0.35ppb
SO2
13.85ppb
NO2
0.23ppm
CO
AQI 64
Moderate
16.23μg/m³
PM2.5
75.09μg/m³
PM10
10.37ppb
O3
0.34ppb
SO2
14.53ppb
NO2
0.27ppm
CO
AQI 77
Moderate
23.08μg/m³
PM2.5
75.11μg/m³
PM10
19.25ppb
O3
0.36ppb
SO2
18.07ppb
NO2
0.23ppm
CO
AQI 79
Moderate
24.14μg/m³
PM2.5
71.39μg/m³
PM10
10.89ppb
O3
0.37ppb
SO2
15.59ppb
NO2
0.28ppm
CO
AQI 58
Moderate
12.74μg/m³
PM2.5
55.05μg/m³
PM10
10.44ppb
O3
0.27ppb
SO2
14.77ppb
NO2
0.22ppm
CO
AQI 54
Moderate
10.95μg/m³
PM2.5
48.69μg/m³
PM10
21.87ppb
O3
0.64ppb
SO2
15.86ppb
NO2
0.29ppm
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 08:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Lafayette, Indiana was observed at 10:00:00 on 2025-12-06.
The current air quality in Lafayette, Indiana is 69, categorized as Moderate 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 18.546 μg/m3.
The current PM10 concentration at Lafayette, Indiana is 82.646 μg/m3.
The current carbon monoxide (CO) concentration at Lafayette, Indiana is 0.243 ppm.
The current sulfur dioxide (SO2) concentration at Lafayette, Indiana is 0.365 ppb.
The current ozone (O3) concentration at Lafayette, Indiana is 12.885 ppm.
The current nitrogen dioxide (NO2) concentration at Lafayette, Indiana is 12.647 ppb.
All Rights Reserved © Ambee Inc. 2025