Stay updated with real-time air quality in Munster, Indiana featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
42
Good
Munster, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.10 μg/m³
0
55
155
255
425
605+
45.42 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
2.10 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Munster, Indiana
Munster, Indiana
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AQI 41
Good
5.01μg/m³
PM2.5
21.96μg/m³
PM10
43.86ppb
O3
0.39ppb
SO2
2.24ppb
NO2
0.23ppm
CO
AQI 42
Good
4.70μg/m³
PM2.5
20.33μg/m³
PM10
45.11ppb
O3
0.43ppb
SO2
2.05ppb
NO2
0.23ppm
CO
AQI 43
Good
4.98μg/m³
PM2.5
21.37μg/m³
PM10
45.71ppb
O3
0.43ppb
SO2
2.03ppb
NO2
0.23ppm
CO
AQI 43
Good
5.27μg/m³
PM2.5
22.68μg/m³
PM10
45.56ppb
O3
0.39ppb
SO2
2.17ppb
NO2
0.23ppm
CO
AQI 43
Good
5.04μg/m³
PM2.5
21.71μg/m³
PM10
45.68ppb
O3
0.41ppb
SO2
2.14ppb
NO2
0.23ppm
CO
AQI 43
Good
5.23μg/m³
PM2.5
22.55μg/m³
PM10
45.55ppb
O3
0.44ppb
SO2
1.97ppb
NO2
0.23ppm
CO
The air quality data for Indiana, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Munster, Indiana are available every hour.
Munster, Indiana experienced its worst air quality at 01:00:00, 2026-06-14.
The best air quality in Munster, Indiana was observed at 02:00:00 on 2026-06-13.
The air quality in Munster, Indiana right now is Good, with an AQI of 42.
In Munster, Indiana, O3 is the most frequently found pollutant.
When air quality in Munster, Indiana is compromised, staying indoors and wearing a mask can reduce health risks.
Munster, Indiana currently has a PM2.5 concentration of 4.894 μg/m3.
Munster, Indiana currently has a PM10 concentration of 21.101 μg/m3.
The current carbon monoxide (CO) level in Munster, Indiana is 0.232 ppm.
The current sulfur dioxide (SO2) concentration in Munster, Indiana is 0.417 ppb.
Munster, Indiana currently has an ozone (O3) concentration of 45.419 ppm.
The current level of nitrogen dioxide (NO2) in Munster, Indiana is 2.105 ppb.
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