What is the air quality in West Lafayette today?

The current Air Quality Index (AQI) in West Lafayette is 17 (Good). PM2.5 concentration is 4.1 µg/m³.

What is the temperature in West Lafayette right now?

The current temperature in West Lafayette is 13.2°C (feels like 13.2°C). Humidity is 60.8% and wind speed is 22.4 km/h.

Is it safe to go outside in West Lafayette?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in West Lafayette, United States

Partly Cloudy

13.2°C · 60.8% humidity

13.2°

Feels 13.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

32h · 1 stn

View full history →

West 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.

60.8%

Humidity

22.4 km/h

Wind E

1023.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.1 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for West Lafayette?

Temperature & Precipitation

PM2.5 Trend

32h · 1 station

PM2.54.1 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

4.1

Median

4.1

Average

2.9

Low

5.3

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +9.4

What is the 7-day forecast for West Lafayette?

10-21

22.5° 10.1°

0.19 mm

10-22

18.8° 6.0°

0.75 mm

10-23

12.0° 5.5°

3.25 mm

10-24

22.7° 7.9°

10-25

14.8° 3.3°

10-26

20.0° 6.2°

0.38 mm

10-27

12.8° 0.7°

0.06 mm

Both models agree Avg diff: 4.3°C

Where are air quality stations near West Lafayette?

Lafayette-Greenbush St, Indiana, USA

4.7 km PM2.5: 3.1 µg/m³

Lafayette-Greenbush St, Indiana, USA

4.7 km PM2.5: 2.9 µg/m³

What cities are near West Lafayette?

17 Lafayette 35 Crawfordsville 36 Logansport 29 Kokomo 46 Zionsville 46 Brownsburg 18 Westfield 47 Fairfield Heights 33 Carmel 47 Avon

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T01:07 UTC.