What is the air quality in Griffith today?

The current Air Quality Index (AQI) in Griffith is 60 (Moderate). PM2.5 concentration is 16.42 µg/m³.

What is the temperature in Griffith right now?

The current temperature in Griffith is 25.6°C (feels like 25.6°C). Humidity is 60.3% and wind speed is 55.0 km/h.

Air Quality in Griffith, United States

Windy

25.6°C · 60.3% humidity

25.6°

Feels 25.6°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

37 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

48h · 4 stn

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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. Current PM2.5 concentration in Griffith is 1.1× the WHO 24-hour guideline of 15 µg/m³.

60.3%

Humidity

55.0 km/h

Wind NE

1014.8 hPa

Pressure

17.4

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

16.42 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Griffith?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations

PM2.516.42 µg/m³ ×1.1 WHO

Moderate

PM1013.7 µg/m³

Good

UV INDEX17.4

Extreme

Station readings (37 stations within 25 km)

16.42

Median

16.64

Average

12.97

Low

22.62

High

PM2.5 µg/m³ · Model: 7.1 · Bias: -9.3

What is the 7-day forecast for Griffith?

07-21

25.9° 23.0°

1.56 mm

07-22

24.1° 22.0°

07-23

24.2° 18.2°

7.13 mm

07-24

25.9° 21.1°

0.06 mm

07-25

22.6° 20.4°

0.06 mm

07-26

26.0° 22.6°

1.69 mm

07-27

25.5° 22.2°

0.25 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Griffith?

Hammond-167th St, Indiana, USA

9.4 km PM2.5: 21.1 µg/m³

Hegewisch 3

16.6 km PM2.5: 17.0 µg/m³

Hegewisch 4

17.4 km PM2.5: 18.3 µg/m³

Hegewisch 5

17.7 km PM2.5: 18.1 µg/m³

Hegewisch 2

17.9 km PM2.5: 15.9 µg/m³

Hegewisch 6

18.5 km PM2.5: 17.9 µg/m³

South Deering 6

18.9 km PM2.5: 22.5 µg/m³

Hegewisch 1

19.0 km PM2.5: 17.1 µg/m³

South Deering 5

19.9 km PM2.5: 17.5 µg/m³

East Side 4

20.1 km PM2.5: 17.6 µg/m³

What cities are near Griffith?

60 Highland 60 Schererville 59 Munster 59 Hammond 60 Dyer 58 Merrillville 59 Gary 59 Lansing 59 East Chicago 60 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 2026-07-21T20:44 UTC.