Hourly Weather Forecast for Hammond, Indiana

Hourly Weather | Today › Tuesday, July 21, 2026

Active Weather Warnings

Beach Hazards Statement

Hammond, Indiana

4 AM

72°

Feels Like 75°

Humidity: 96%

UV Index: 0

Wind: 10 mph

5 AM

72°

Feels Like 73°

Humidity: 98%

UV Index: 0

Wind: 10 mph

6 AM

72°

Feels Like 73°

Humidity: 99%

UV Index: 0

Wind: 9 mph

7 AM

70°

Feels Like 73°

Humidity: 100%

UV Index: 1

Wind: 8 mph

8 AM

73°

Feels Like 79°

Humidity: 90%

UV Index: 2

Wind: 9 mph

9 AM

75°

Feels Like 81°

Humidity: 81%

UV Index: 2

Wind: 10 mph

10 AM

79°

Feels Like 82°

Humidity: 72%

UV Index: 3

Wind: 12 mph

11 AM

82°

Feels Like 84°

Humidity: 63%

UV Index: 4

Wind: 12 mph

12 PM

82°

Feels Like 88°

Humidity: 57%

UV Index: 5

Wind: 12 mph

1 PM

84°

Feels Like 90°

Humidity: 52%

UV Index: 5

Wind: 12 mph

2 PM

84°

Feels Like 88°

Humidity: 52%

UV Index: 5

Wind: 10 mph

3 PM

84°

Feels Like 86°

Humidity: 53%

UV Index: 4

Wind: 10 mph

4 PM

82°

Feels Like 84°

Humidity: 55%

UV Index: 3

Wind: 9 mph

5 PM

81°

Feels Like 79°

Humidity: 70%

UV Index: 1

Wind: 9 mph

6 PM

79°

Feels Like 81°

Humidity: 71%

UV Index: 1

Wind: 9 mph

7 PM

75°

Feels Like 77°

Humidity: 75%

UV Index: 1

Wind: 9 mph

8 PM

75°

Feels Like 73°

Humidity: 74%

UV Index: 0

Wind: 10 mph

9 PM

73°

Feels Like 72°

Humidity: 77%

UV Index: 0

Wind: 10 mph

10 PM

72°

Feels Like 66°

Humidity: 81%

UV Index: 0

Wind: 12 mph

11 PM

70°

Feels Like 66°

Humidity: 79%

UV Index: 0

Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM

60 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 16.54 µg/m³
PM₁₀: 16.73 µg/m³
O₃: 0.035 ppm
NO₂: 1.4 ppb
SO₂: 1.1 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 AM

54 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.97 µg/m³
PM₁₀: 14.1 µg/m³
O₃: 0.031 ppm
NO₂: 1.3 ppb
SO₂: 0.8 ppb
CO: 0.14 ppm

Health Recommendations:

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

6 AM

46 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.05 µg/m³
PM₁₀: 11.14 µg/m³
O₃: 0.028 ppm
NO₂: 1.3 ppb
SO₂: 0.5 ppb
CO: 0.13 ppm

Health Recommendations:

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

7 AM

39 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.24 µg/m³
PM₁₀: 9.31 µg/m³
O₃: 0.024 ppm
NO₂: 1.5 ppb
SO₂: 0.4 ppb
CO: 0.12 ppm

Health Recommendations:

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

8 AM

33 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.02 µg/m³
PM₁₀: 8.08 µg/m³
O₃: 0.021 ppm
NO₂: 1.8 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

9 AM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7 µg/m³
PM₁₀: 7.07 µg/m³
O₃: 0.018 ppm
NO₂: 1.8 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

10 AM

26 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.3 µg/m³
PM₁₀: 6.37 µg/m³
O₃: 0.018 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.

11 AM

27 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.42 µg/m³
PM₁₀: 6.51 µg/m³
O₃: 0.025 ppm
NO₂: 1.1 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

12 PM

29 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.76 µg/m³
PM₁₀: 6.86 µg/m³
O₃: 0.031 ppm
NO₂: 0.7 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

1 PM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.94 µg/m³
PM₁₀: 7.04 µg/m³
O₃: 0.035 ppm
NO₂: 0.5 ppb
SO₂: 0.4 ppb
CO: 0.10 ppm

Health Recommendations:

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

2 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.13 µg/m³
PM₁₀: 6.23 µg/m³
O₃: 0.040 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

3 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.16 µg/m³
PM₁₀: 5.25 µg/m³
O₃: 0.041 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

4 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.66 µg/m³
PM₁₀: 4.75 µg/m³
O₃: 0.041 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

5 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.45 µg/m³
PM₁₀: 4.53 µg/m³
O₃: 0.040 ppm
NO₂: 0.5 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

6 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.32 µg/m³
PM₁₀: 4.4 µg/m³
O₃: 0.038 ppm
NO₂: 0.8 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

7 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.95 µg/m³
PM₁₀: 4.03 µg/m³
O₃: 0.036 ppm
NO₂: 1 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

8 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.49 µg/m³
PM₁₀: 3.57 µg/m³
O₃: 0.033 ppm
NO₂: 1.3 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

9 PM

28 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.18 µg/m³
PM₁₀: 3.26 µg/m³
O₃: 0.030 ppm
NO₂: 1.6 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

10 PM

25 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.86 µg/m³
PM₁₀: 2.95 µg/m³
O₃: 0.027 ppm
NO₂: 1.7 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

11 PM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.51 µg/m³
PM₁₀: 2.61 µg/m³
O₃: 0.024 ppm
NO₂: 1.9 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Hammond

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued July 21 at 2:33AM CDT until July 23 at 7:00AM CDT by NWS Chicago IL

Jul 21, 6:00 PM → Jul 23, 7:00 AM

WHAT: High wave action and dangerous currents at Lake Michigan
beaches expected.

WHERE: Lake IN and Porter Counties.

WHEN: From this evening through Thursday morning.

IMPACTS: Swimming conditions will be life threatening,
especially for inexperienced swimmers.

+ Read More

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

Updated: Jul 21, 2:48 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Hammond

Beach Hazards Statement

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