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
6.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.61 μg/m³
0
55
155
255
425
605+
32.75 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
1.73 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Indiana
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AQI 33
Good
6.04μg/m³
PM2.5
25.21μg/m³
PM10
32.64ppb
O3
0.71ppb
SO2
1.57ppb
NO2
0.16ppm
CO
AQI 32
Good
5.31μg/m³
PM2.5
19.48μg/m³
PM10
35.08ppb
O3
0.69ppb
SO2
3.93ppb
NO2
0.14ppm
CO
AQI 33
Good
6.13μg/m³
PM2.5
25.02μg/m³
PM10
33.37ppb
O3
0.47ppb
SO2
3.47ppb
NO2
0.16ppm
CO
AQI 30
Good
5.40μg/m³
PM2.5
25.04μg/m³
PM10
32.39ppb
O3
0.52ppb
SO2
3.61ppb
NO2
0.14ppm
CO
AQI 32
Good
5.16μg/m³
PM2.5
22.89μg/m³
PM10
34.91ppb
O3
0.74ppb
SO2
2.39ppb
NO2
0.14ppm
CO
AQI 31
Good
5.28μg/m³
PM2.5
22.94μg/m³
PM10
33.02ppb
O3
0.64ppb
SO2
2.77ppb
NO2
0.14ppm
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 04:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Lafayette, Indiana was observed at 01:00:00 on 2026-03-09.
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 6.081 μg/m3.
The current PM10 concentration at Lafayette, Indiana is 28.613 μg/m3.
The current carbon monoxide (CO) concentration at Lafayette, Indiana is 0.158 ppm.
The current sulfur dioxide (SO2) concentration at Lafayette, Indiana is 0.719 ppb.
The current ozone (O3) concentration at Lafayette, Indiana is 32.747 ppm.
The current nitrogen dioxide (NO2) concentration at Lafayette, Indiana is 1.732 ppb.
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