What is the air quality in Gary today?

The current Air Quality Index (AQI) in Gary is 53 (Moderate). PM2.5 concentration is 12.88 µg/m³.

What is the temperature in Gary right now?

The current temperature in Gary is 7.8°C (feels like -0.2°C). Humidity is 74.5% and wind speed is 132.6 km/h.

Air Quality in Gary, United States

Drizzle

7.8°C · 74.5% humidity

7.8°

Feels -0.2°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

40 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 277 stn

View full history →

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

74.5%

Humidity

132.6 km/h

Wind NNE

1026.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.88 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Gary?

Temperature & Precipitation

PM2.5 Trend

45h · 277 stations

PM2.512.88 µg/m³ ✓ WHO

Moderate

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (40 stations within 25 km)

12.88

Median

16.9

Average

8.4

Low

21.65

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +0.6

What is the 7-day forecast for Gary?

10-20

11.3° 7.8°

0.13 mm

10-21

17.9° 13.9°

10-22

14.7° 10.4°

0.62 mm

10-23

13.2° 10.7°

2.31 mm

10-24

20.0° 11.1°

0.06 mm

10-25

15.1° 8.1°

0.25 mm

10-26

15.6° 7.9°

3.81 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Gary?

Gary-IITRI, Indiana, USA

3.8 km PM2.5: 8.4 µg/m³

Gary-IITRI, Indiana, USA

3.8 km PM2.5: 7.0 µg/m³

East Chicago - Marina, Indiana, USA

10.0 km PM2.5: 11.0 µg/m³

Hammond-167th St, Indiana, USA

12.4 km PM2.5: 7.4 µg/m³

Hammond-167th St, Indiana, USA

12.4 km PM2.5: 9.8 µg/m³

Hammond-167th St, Indiana, USA

12.4 km PM2.5: 12.6 µg/m³

Hegewisch 3

17.3 km PM2.5: 16.2 µg/m³

Kingery Near-road #1, Illinois, USA

17.6 km PM2.5: 12.0 µg/m³

Kingery Near-road #1, Illinois, USA

17.6 km PM2.5: 10.3 µg/m³

Hegewisch 2

17.9 km PM2.5: 16.9 µg/m³

What cities are near Gary?

58 Griffith 58 Highland 37 Hobart 57 East Chicago 40 Merrillville 52 Hammond 56 Munster 36 Portage 60 Calumet City 55 Schererville

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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 2026-10-20T20:04 UTC.