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)
56
Moderate
Lafayette, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
51.38 μg/m³
0
55
155
255
425
605+
40.80 ppb
0
55
71
86
201
201+
1.26 ppb
0
36
76
186
605
1005+
5.95 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Indiana
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AQI 54
Moderate
11.46μg/m³
PM2.5
50.49μg/m³
PM10
40.82ppb
O3
1.26ppb
SO2
5.94ppb
NO2
0.14ppm
CO
AQI 37
Good
4.92μg/m³
PM2.5
23.46μg/m³
PM10
40.39ppb
O3
1.20ppb
SO2
5.96ppb
NO2
0.15ppm
CO
AQI 38
Good
7.38μg/m³
PM2.5
20.88μg/m³
PM10
39.77ppb
O3
1.19ppb
SO2
5.97ppb
NO2
0.14ppm
CO
AQI 40
Good
5.00μg/m³
PM2.5
18.77μg/m³
PM10
43.40ppb
O3
0.44ppb
SO2
5.42ppb
NO2
0.15ppm
CO
AQI 37
Good
4.83μg/m³
PM2.5
23.32μg/m³
PM10
40.43ppb
O3
2.69ppb
SO2
7.77ppb
NO2
0.12ppm
CO
AQI 38
Good
1.60μg/m³
PM2.5
6.43μg/m³
PM10
41.02ppb
O3
2.74ppb
SO2
5.61ppb
NO2
0.15ppm
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 2026-07-23.
In the last 24 hrs, the best air quality in Lafayette, Indiana was observed at 11:00:00 on 2026-07-23.
The current air quality in Lafayette, Indiana is 56, 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 11.658 μg/m3.
The current PM10 concentration at Lafayette, Indiana is 51.378 μg/m3.
The current carbon monoxide (CO) concentration at Lafayette, Indiana is 0.139 ppm.
The current sulfur dioxide (SO2) concentration at Lafayette, Indiana is 1.258 ppb.
The current ozone (O3) concentration at Lafayette, Indiana is 40.802 ppm.
The current nitrogen dioxide (NO2) concentration at Lafayette, Indiana is 5.948 ppb.
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