Air Quality in South Bend, United States
Windy
21.1°C · 49.9% humidity
21.1°
Feels 21.1°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
South Bend's air quality — share it
AQI Forecast
24
8am
54
54
32
11am
54
34
34
2pm
27
27
27
5pm
27
27
27
8pm
34
27
27
11pm
27
27
27
2am
27
27
27
5am
27
27
Air Quality Index Trend
20h · 1 stnSouth Bend's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
49.9%
Humidity
52.8 km/h
Wind NW
1019.5 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for South Bend?
Temperature & Precipitation
PM2.5 Trend
20h · 1 stationPM2.57.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
Station readings (1 station within 25 km)
7.7
Median
7.7
Average
7.7
Low
7.7
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -0.3
What is the 7-day forecast for South Bend?
09-05
21.1° 14.6°
09-06
28.2° 14.8°
09-07
22.6° 13.7°
3.5 mm
09-08
21.5° 14.6°
9.19 mm
09-09
28.3° 13.2°
0.38 mm
09-10
25.4° 14.9°
1.13 mm
09-11
30.4° 14.4°
0.62 mm
Both models agree
Avg diff: 6.1°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:53 UTC.