Stay updated with real-time air quality in South Bend, 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)
56
Moderate
South Bend, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.35 μg/m³
0
55
155
255
425
605+
54.12 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
1.87 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
South Bend, Indiana
South Bend, Indiana
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AQI 56
Moderate
11.72μg/m³
PM2.5
53.31μg/m³
PM10
53.92ppb
O3
0.69ppb
SO2
3.17ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.77μg/m³
PM2.5
48.91μg/m³
PM10
49.10ppb
O3
0.71ppb
SO2
4.41ppb
NO2
0.36ppm
CO
AQI 54
Moderate
11.40μg/m³
PM2.5
54.05μg/m³
PM10
53.23ppb
O3
0.70ppb
SO2
5.05ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.77μg/m³
PM2.5
48.91μg/m³
PM10
49.10ppb
O3
0.71ppb
SO2
4.41ppb
NO2
0.36ppm
CO
AQI 60
Moderate
13.64μg/m³
PM2.5
62.29μg/m³
PM10
55.31ppb
O3
0.70ppb
SO2
8.46ppb
NO2
0.37ppm
CO
AQI 58
Moderate
12.73μg/m³
PM2.5
59.36μg/m³
PM10
55.21ppb
O3
0.70ppb
SO2
8.59ppb
NO2
0.37ppm
CO
Air quality data and pollutant measurements for Indiana, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for South Bend, Indiana is updated every hour.
The worst air quality in South Bend, Indiana in the last 24 hours was observed at 05:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in South Bend, Indiana was observed at 05:00:00 on 2026-04-23.
The current air quality in South Bend, Indiana is 56, categorized as Moderate based on real-time data.
The most common pollutant in South Bend, Indiana is PM2.5.
If the air quality in South Bend, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at South Bend, Indiana is 11.683 μg/m3.
The current PM10 concentration at South Bend, Indiana is 52.346 μg/m3.
The current carbon monoxide (CO) concentration at South Bend, Indiana is 0.354 ppm.
The current sulfur dioxide (SO2) concentration at South Bend, Indiana is 0.687 ppb.
The current ozone (O3) concentration at South Bend, Indiana is 54.12 ppm.
The current nitrogen dioxide (NO2) concentration at South Bend, Indiana is 1.869 ppb.
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