Hourly Weather | Today Wednesday, October 15, 2025
South Bend, Indiana
4 AM
Cloudy Night
55°
Feels Like 52°
24
Humidity: 79%
Wind: 7 mph
UV Index: 0
5 AM
Cloudy Weather
55°
Feels Like 52°
47
Humidity: 79%
Wind: 7 mph
UV Index: 0
6 AM
Rainy Weather
54°
Feels Like 48°
51
Humidity: 79%
Wind: 8 mph
UV Index: 0
7 AM
Cloudy Weather
54°
Feels Like 50°
43
Humidity: 79%
Wind: 9 mph
UV Index: 0
8 AM
Rainy Weather
54°
Feels Like 46°
51
Humidity: 78%
Wind: 9 mph
UV Index: 1
9 AM
Cloudy Weather
54°
Feels Like 50°
47
Humidity: 79%
Wind: 9 mph
UV Index: 4
10 AM
Cloudy Weather
54°
Feels Like 52°
40
Humidity: 79%
Wind: 8 mph
UV Index: 6
11 AM
Cloudy Weather
55°
Feels Like 54°
34
Humidity: 78%
Wind: 7 mph
UV Index: 9
12 PM
Cloudy Weather
57°
Feels Like 55°
34
Humidity: 71%
Wind: 7 mph
UV Index: 12
1 PM
Cloudy Weather
59°
Feels Like 59°
23
Humidity: 61%
Wind: 7 mph
UV Index: 16
2 PM
Cloudy Weather
61°
Feels Like 64°
1
Humidity: 55%
Wind: 7 mph
UV Index: 34
3 PM
Cloudy Weather
63°
Feels Like 66°
1
Humidity: 52%
Wind: 6 mph
UV Index: 27
4 PM
Cloudy Weather
63°
Feels Like 66°
1
Humidity: 50%
Wind: 6 mph
UV Index: 20
5 PM
Cloudy Weather
64°
Feels Like 66°
1
Humidity: 48%
Wind: 6 mph
UV Index: 12
6 PM
Cloudy Weather
63°
Feels Like 61°
1
Humidity: 52%
Wind: 7 mph
UV Index: 4
7 PM
Cloudy Weather
61°
Feels Like 57°
1
Humidity: 60%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 67%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 74%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 81%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 83%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14 µg/m³
  • PM10: 14.81 µg/m³
  • O3: 0.027 ppm
  • NO2: 3.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.33 µg/m³
  • PM10: 15.18 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.5 µg/m³
  • PM10: 15.36 µg/m³
  • O3: 0.023 ppm
  • NO2: 3.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.56 µg/m³
  • PM10: 15.41 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.57 µg/m³
  • PM10: 15.44 µg/m³
  • O3: 0.020 ppm
  • NO2: 4.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.42 µg/m³
  • PM10: 15.34 µg/m³
  • O3: 0.018 ppm
  • NO2: 5.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.16 µg/m³
  • PM10: 15.17 µg/m³
  • O3: 0.017 ppm
  • NO2: 6.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.91 µg/m³
  • PM10: 15.02 µg/m³
  • O3: 0.018 ppm
  • NO2: 5.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

12 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.78 µg/m³
  • PM10: 15.09 µg/m³
  • O3: 0.022 ppm
  • NO2: 4.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.78 µg/m³
  • PM10: 15.28 µg/m³
  • O3: 0.023 ppm
  • NO2: 4.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.87 µg/m³
  • PM10: 15.53 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.46 µg/m³
  • PM10: 16.24 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.93 µg/m³
  • PM10: 16.73 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.19 µg/m³
  • PM10: 17 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.54 µg/m³
  • PM10: 17.36 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.78 µg/m³
  • PM10: 17.64 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.85 µg/m³
  • PM10: 17.73 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.63 µg/m³
  • PM10: 17.53 µg/m³
  • O3: 0.027 ppm
  • NO2: 7.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.25 µg/m³
  • PM10: 17.14 µg/m³
  • O3: 0.025 ppm
  • NO2: 7.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.48 µg/m³
  • PM10: 16.27 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.