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)
33
Good
South Bend, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.38 μg/m³
0
55
155
255
425
605+
36.13 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
3.37 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Bend, Indiana
South Bend, Indiana
Scroll To Air Quality MapLoading...
AQI 33
Good
3.22μg/m³
PM2.5
15.27μg/m³
PM10
36.41ppb
O3
0.51ppb
SO2
3.35ppb
NO2
0.16ppm
CO
AQI 33
Good
3.39μg/m³
PM2.5
16.15μg/m³
PM10
36.38ppb
O3
0.59ppb
SO2
2.82ppb
NO2
0.15ppm
CO
AQI 34
Good
3.32μg/m³
PM2.5
17.40μg/m³
PM10
37.49ppb
O3
0.57ppb
SO2
3.11ppb
NO2
0.17ppm
CO
AQI 33
Good
3.39μg/m³
PM2.5
16.15μg/m³
PM10
36.38ppb
O3
0.59ppb
SO2
2.82ppb
NO2
0.15ppm
CO
AQI 33
Good
3.40μg/m³
PM2.5
15.14μg/m³
PM10
35.52ppb
O3
0.61ppb
SO2
3.47ppb
NO2
0.21ppm
CO
AQI 32
Good
3.34μg/m³
PM2.5
17.02μg/m³
PM10
35.09ppb
O3
0.61ppb
SO2
3.85ppb
NO2
0.21ppm
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 2026-01-22.
In the last 24 hrs, the best air quality in South Bend, Indiana was observed at 05:00:00 on 2026-01-22.
The current air quality in South Bend, Indiana is 33, categorized as Good based on real-time data.
The most common pollutant in South Bend, Indiana is O3.
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 3.151 μg/m3.
The current PM10 concentration at South Bend, Indiana is 14.376 μg/m3.
The current carbon monoxide (CO) concentration at South Bend, Indiana is 0.154 ppm.
The current sulfur dioxide (SO2) concentration at South Bend, Indiana is 0.477 ppb.
The current ozone (O3) concentration at South Bend, Indiana is 36.128 ppm.
The current nitrogen dioxide (NO2) concentration at South Bend, Indiana is 3.371 ppb.
All Rights Reserved © Ambee Inc. 2025