Air Quality in West Lafayette, United States
Windy
27.4°C · 48.5% humidity
27.4°
Feels 29.2°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
West Lafayette's air quality — share it
AQI Forecast
27
8am
24
24
38
11am
34
31
29
2pm
28
27
26
5pm
25
25
25
8pm
25
25
25
11pm
25
25
25
2am
25
25
25
5am
25
25
Air Quality Index Trend
20h · 1 stnWest Lafayette's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in West Lafayette is 1.8× the WHO annual guideline of 5 µg/m³.
48.5%
Humidity
54.2 km/h
Wind NNW
1019.8 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for West Lafayette?
Temperature & Precipitation
PM2.5 Trend
20h · 1 stationPM2.59.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
Station readings (1 station within 25 km)
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -3.0
What is the 7-day forecast for West Lafayette?
05-29
27.4° 6.8°
05-30
21.9° 18.3°
0.5 mm
05-31
29.4° 11.7°
3.13 mm
06-01
26.0° 16.0°
0.38 mm
06-02
22.8° 12.9°
06-03
27.7° 23.4°
0.94 mm
06-04
26.6° 15.1°
0.81 mm
Both models agree
Avg diff: 4.6°C
Where are air quality stations near West Lafayette?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T15:09 UTC.