Air Quality in Merrillville, United States

Windy
16.7°C · 62.9% humidity
16.7°
Feels 16.7°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
32 9pm
33
31
44 12am
44
44
44 3am
44
44
44 6am
44
44
44 9am
19
19
6 12pm
19
19
6 3pm
6
6
6 6pm
19
19
Station readings
32
33
CAMS model adj -6
37
37
37
50
50
50
50
50
50
50
50
50
50
25
25
12
25
25
12
12
12
12
25
25
AD 728×90

PM2.5 Trend (24h)

22h · 209 stations
62.9%
Humidity
90.6 km/h
Wind SSW
1018.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Merrillville?

Temperature & Precipitation

PM2.57.91 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Merrillville?

04-10
16.7° 6.5°
3.75 mm
04-11
10.0° 4.8°
15.06 mm
04-12
20.5° 10.4°
2.56 mm
04-13
25.8° 17.6°
1.0 mm
04-14
24.7° 18.4°
4.56 mm
04-15
13.9° 6.5°
3.44 mm
04-16
13.0° 3.2°
Both models agree Avg diff: 6.9°C

Where are air quality stations near Merrillville?

28
Hammond-167th St, Indiana, USA
18.3 km
32
Ogden Dunes, Indiana, USA
18.7 km
38
Ogden Dunes, Indiana, USA
18.7 km
36
Ogden Dunes, Indiana, USA
18.7 km
43
East Chicago - Marina, Indiana, USA
20.8 km
29
Kingery Near-road #1, Illinois, USA
21.5 km
29
Kingery Near-road #1, Illinois, USA
21.5 km
35
Hegewisch 3
25.3 km PM2.5: 8.4 µg/m³
32
Hegewisch 4
26.1 km PM2.5: 7.7 µg/m³
34
Hegewisch 2
26.5 km PM2.5: 8.1 µg/m³

What cities are near Merrillville?

33 Crown Point 33 Hobart 33 Griffith 34 Schererville 33 Gary 32 Highland 32 Dyer 33 Portage 32 Munster 32 Hammond

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:04 UTC.