Hourly Weather | Today Wednesday, August 12, 2026
Hammond, Indiana
8 AM
Foggy Weather
73°
Feels Like 79°
37
Humidity: 95%
UV Index: 0
Wind: 5 mph
9 AM
Foggy Weather
75°
Feels Like 81°
34
Humidity: 92%
UV Index: 1
Wind: 6 mph
10 AM
Foggy Weather
75°
Feels Like 82°
37
Humidity: 89%
UV Index: 2
Wind: 7 mph
11 AM
Foggy Weather
79°
Feels Like 84°
43
Humidity: 86%
UV Index: 2
Wind: 7 mph
12 PM
Foggy Weather
79°
Feels Like 88°
47
Humidity: 83%
UV Index: 3
Wind: 7 mph
1 PM
Sunny with a Chance of Thunderstorms
81°
Feels Like 84°
51
Humidity: 80%
UV Index: 3
Wind: 8 mph
2 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 82°
51
Humidity: 81%
UV Index: 3
Wind: 8 mph
3 PM
Cloudy Weather
79°
Feels Like 88°
47
Humidity: 82%
UV Index: 4
Wind: 8 mph
4 PM
Cloudy Weather
77°
Feels Like 84°
40
Humidity: 85%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
77°
Feels Like 84°
34
Humidity: 84%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
77°
Feels Like 82°
34
Humidity: 85%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
75°
Feels Like 81°
34
Humidity: 89%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
75°
Feels Like 79°
34
Humidity: 89%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
73°
Feels Like 77°
34
Humidity: 93%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
72°
Feels Like 75°
37
Humidity: 96%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
72°
Feels Like 75°
43
Humidity: 95%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.03 µg/m³
  • PM10: 6.15 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.56 µg/m³
  • PM10: 5.68 µg/m³
  • O3: 0.015 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.14 µg/m³
  • PM10: 5.26 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.79 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.026 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.79 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.11 µg/m³
  • PM10: 5.23 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.71 µg/m³
  • PM10: 5.83 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.21 µg/m³
  • PM10: 6.32 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.31 µg/m³
  • PM10: 6.42 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.4 µg/m³
  • PM10: 6.51 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.86 µg/m³
  • PM10: 6.98 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.1 µg/m³
  • PM10: 7.25 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.24 µg/m³
  • PM10: 7.43 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.41 µg/m³
  • PM10: 7.68 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.56 µg/m³
  • PM10: 7.89 µg/m³
  • O3: 0.010 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.6 µg/m³
  • PM10: 7.95 µg/m³
  • O3: 0.007 ppm
  • NO2: 3.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.