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)
16
Good
Lafayette, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.19 μg/m³
0
55
155
255
425
605+
17.21 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
6.54 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Indiana
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AQI 16
Good
3.41μg/m³
PM2.5
15.46μg/m³
PM10
17.23ppb
O3
0.74ppb
SO2
6.52ppb
NO2
0.22ppm
CO
AQI 22
Good
4.43μg/m³
PM2.5
18.79μg/m³
PM10
17.72ppb
O3
0.73ppb
SO2
6.10ppb
NO2
0.21ppm
CO
AQI 27
Good
5.14μg/m³
PM2.5
23.18μg/m³
PM10
18.62ppb
O3
0.69ppb
SO2
6.07ppb
NO2
0.22ppm
CO
AQI 33
Good
6.24μg/m³
PM2.5
25.21μg/m³
PM10
22.74ppb
O3
0.62ppb
SO2
5.84ppb
NO2
0.22ppm
CO
AQI 38
Good
7.09μg/m³
PM2.5
31.08μg/m³
PM10
20.89ppb
O3
0.77ppb
SO2
5.50ppb
NO2
0.22ppm
CO
AQI 38
Good
6.85μg/m³
PM2.5
30.76μg/m³
PM10
19.92ppb
O3
0.90ppb
SO2
5.47ppb
NO2
0.22ppm
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 03:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in Lafayette, Indiana was observed at 11:00:00 on 2026-09-07.
The current air quality in Lafayette, Indiana is 16, 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 3.345 μg/m3.
The current PM10 concentration at Lafayette, Indiana is 15.187 μg/m3.
The current carbon monoxide (CO) concentration at Lafayette, Indiana is 0.222 ppm.
The current sulfur dioxide (SO2) concentration at Lafayette, Indiana is 0.736 ppb.
The current ozone (O3) concentration at Lafayette, Indiana is 17.215 ppm.
The current nitrogen dioxide (NO2) concentration at Lafayette, Indiana is 6.541 ppb.
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