Air Quality in Merrillville, United States
Windy
16.7°C · 62.9% humidity
16.7°
Feels 16.7°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
Calibrated
29
6pm
29
36
36
9pm
36
36
49
12am
49
49
49
3am
49
49
49
6am
49
49
49
9am
24
24
11
12pm
24
24
11
3pm
11
11
Station readings
29
29
CAMS model
adj -1
37
37
37
37
37
37
50
50
50
50
50
50
50
50
50
50
25
25
12
25
25
12
12
12
PM2.5 Trend (24h)
22h · 209 stations62.9%
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
PM2.56.72 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Both models agree
Avg diff: 6.9°C
Where are air quality stations near Merrillville?
59
Hammond-167th St, Indiana, USA
37
Ogden Dunes, Indiana, USA
36
Ogden Dunes, Indiana, USA
21
East Chicago - Marina, Indiana, USA
43
East Chicago - Marina, Indiana, USA
30
Hegewisch 3
28
Hegewisch 4
29
Hegewisch 2
30
Hegewisch 5
30
Hegewisch 6
What cities are near Merrillville?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:25 UTC.