What is the air quality in Griffith today?

The current Air Quality Index (AQI) in Griffith is 55 (Moderate). PM2.5 concentration is 13.81 µg/m³.

What is the temperature in Griffith right now?

The current temperature in Griffith is 8.5°C (feels like 1.5°C). Humidity is 57.6% and wind speed is 105.3 km/h.

Air Quality in Griffith, United States

Windy

8.5°C · 57.6% humidity

8.5°

Feels 1.5°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

38 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 263 stn

View full history →

Griffith's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

57.6%

Humidity

105.3 km/h

Wind NNE

1026.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.81 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Griffith?

Temperature & Precipitation

PM2.5 Trend

46h · 263 stations

PM2.513.81 µg/m³ ✓ WHO

Moderate

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (38 stations within 25 km)

13.81

Median

15.54

Average

1.9

Low

21.34

High

PM2.5 µg/m³ · Model: 13.5 · Bias: -0.3

What is the 7-day forecast for Griffith?

10-20

12.0° 8.2°

0.06 mm

10-21

21.4° 13.5°

0.06 mm

10-22

16.2° 9.5°

0.38 mm

10-23

12.8° 10.2°

1.94 mm

10-24

23.0° 11.4°

10-25

15.2° 6.3°

0.06 mm

10-26

16.9° 5.4°

4.0 mm

Both models agree Avg diff: 3.9°C

Where are air quality stations near Griffith?

Hammond-167th St, Indiana, USA

9.4 km PM2.5: 9.4 µg/m³

Hammond-167th St, Indiana, USA

9.4 km PM2.5: 12.6 µg/m³

Kingery Near-road #1, Illinois, USA

12.5 km PM2.5: 10.3 µg/m³

Kingery Near-road #1, Illinois, USA

12.5 km PM2.5: 12.0 µg/m³

Gary-IITRI, Indiana, USA

13.2 km PM2.5: 7.0 µg/m³

East Chicago - Marina, Indiana, USA

13.9 km PM2.5: 1.9 µg/m³

East Chicago - Marina, Indiana, USA

13.9 km PM2.5: 11.0 µg/m³

Hegewisch 3

16.6 km PM2.5: 14.6 µg/m³

Hegewisch 4

17.4 km PM2.5: 14.0 µg/m³

Hegewisch 5

17.7 km PM2.5: 16.6 µg/m³

What cities are near Griffith?

55 Highland 52 Schererville 53 Munster 41 Hammond 55 Dyer 33 Merrillville 55 Gary 53 Lansing 49 East Chicago 57 Calumet City

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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 2026-10-20T20:55 UTC.