Air Quality in Gary, United States

Windy
21.4°C · 56.2% humidity
21.4°
Feels 21.4°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
34 3pm
34
27
33 6pm
31
30
29 9pm
29
28
28 12am
28
27
27 3am
34
34
34 6am
34
25
25 9am
25
25
25 12pm
27
27
AD 728×90

Air Quality Index Trend

46h · 208 stn

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.

56.2%
Humidity
60.8 km/h
Wind NNE
1019.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.9 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Gary?

Temperature & Precipitation

PM2.5 Trend

46h · 208 stations
PM2.57.9 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (1 station within 25 km)
7.9
Median
7.9
Average
7.9
Low
7.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.1

What is the 7-day forecast for Gary?

08-03
25.6° 19.2°
7.38 mm
08-04
28.9° 19.1°
0.62 mm
08-05
25.6° 20.6°
3.5 mm
08-06
29.8° 22.8°
0.31 mm
08-07
27.4° 21.3°
08-08
29.7° 20.6°
5.31 mm
08-09
29.1° 23.9°
0.75 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Gary?

62
East Chicago - Marina, Indiana, USA
10.0 km PM2.5: 17.3 µg/m³
35
Hegewisch 3
17.3 km PM2.5: 8.5 µg/m³
33
Kingery Near-road #1, Illinois, USA
17.6 km PM2.5: 7.9 µg/m³
34
Kingery Near-road #1, Illinois, USA
17.6 km PM2.5: 8.2 µg/m³
34
Hegewisch 2
17.9 km PM2.5: 8.2 µg/m³
33
Hegewisch 4
18.2 km PM2.5: 8.0 µg/m³
37
Hegewisch 6
18.7 km PM2.5: 8.8 µg/m³
36
Hegewisch 5
18.8 km PM2.5: 8.7 µg/m³
38
East Side 4
18.9 km PM2.5: 9.2 µg/m³
37
Washington HS Collocation 1
19.1 km PM2.5: 8.9 µg/m³

What cities are near Gary?

33 Griffith 33 Highland 42 Hobart 33 East Chicago 33 Merrillville 33 Hammond 33 Munster 36 Portage 33 Calumet City 33 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 2026-08-07T23:55 UTC.