Hourly Weather Forecast for Gary, Indiana

Hourly Weather | Today › Tuesday, July 21, 2026

Active Weather Warnings

Beach Hazards Statement

Gary, Indiana

4 AM

72°

Feels Like 73°

Humidity: 100%

UV Index: 0

Wind: 9 mph

5 AM

72°

Feels Like 75°

Humidity: 100%

UV Index: 0

Wind: 8 mph

6 AM

73°

Feels Like 79°

Humidity: 98%

UV Index: 0

Wind: 8 mph

7 AM

75°

Feels Like 82°

Humidity: 99%

UV Index: 1

Wind: 8 mph

8 AM

77°

Feels Like 88°

Humidity: 96%

UV Index: 2

Wind: 9 mph

9 AM

81°

Feels Like 90°

Humidity: 85%

UV Index: 3

Wind: 10 mph

10 AM

82°

Feels Like 91°

Humidity: 73%

UV Index: 5

Wind: 10 mph

11 AM

84°

Feels Like 93°

Humidity: 64%

UV Index: 7

Wind: 10 mph

12 PM

86°

Feels Like 93°

Humidity: 57%

UV Index: 9

Wind: 10 mph

1 PM

88°

Feels Like 97°

Humidity: 52%

UV Index: 10

Wind: 10 mph

2 PM

88°

Feels Like 93°

Humidity: 54%

UV Index: 9

Wind: 10 mph

3 PM

86°

Feels Like 93°

Humidity: 54%

UV Index: 7

Wind: 10 mph

4 PM

86°

Feels Like 90°

Humidity: 55%

UV Index: 5

Wind: 10 mph

5 PM

84°

Feels Like 88°

Humidity: 57%

UV Index: 3

Wind: 10 mph

6 PM

81°

Feels Like 82°

Humidity: 72%

UV Index: 2

Wind: 10 mph

7 PM

79°

Feels Like 82°

Humidity: 74%

UV Index: 1

Wind: 10 mph

8 PM

77°

Feels Like 79°

Humidity: 78%

UV Index: 0

Wind: 10 mph

9 PM

75°

Feels Like 73°

Humidity: 76%

UV Index: 0

Wind: 10 mph

10 PM

72°

Feels Like 68°

Humidity: 82%

UV Index: 0

Wind: 10 mph

11 PM

70°

Feels Like 70°

Humidity: 84%

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: 16.49 µg/m³
PM₁₀: 16.66 µg/m³
O₃: 0.035 ppm
NO₂: 1.3 ppb
SO₂: 1.1 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.

5 AM

55 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 14.52 µg/m³
PM₁₀: 14.65 µg/m³
O₃: 0.032 ppm
NO₂: 1.3 ppb
SO₂: 0.8 ppb
CO: 0.15 ppm

Health Recommendations:

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

6 AM

50 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.02 µg/m³
PM₁₀: 12.11 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

42 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 10.16 µg/m³
PM₁₀: 10.23 µg/m³
O₃: 0.025 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

36 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.76 µg/m³
PM₁₀: 8.82 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

32 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.62 µg/m³
PM₁₀: 7.69 µg/m³
O₃: 0.019 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

28 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.84 µg/m³
PM₁₀: 6.91 µg/m³
O₃: 0.018 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.

11 AM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.87 µg/m³
PM₁₀: 6.95 µg/m³
O₃: 0.024 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

30 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.2 µg/m³
PM₁₀: 7.29 µg/m³
O₃: 0.030 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.

1 PM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.46 µg/m³
PM₁₀: 7.56 µg/m³
O₃: 0.034 ppm
NO₂: 0.6 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

2 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.45 µg/m³
PM₁₀: 6.54 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

39 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.28 µg/m³
PM₁₀: 5.36 µg/m³
O₃: 0.042 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: 4.61 µg/m³
PM₁₀: 4.68 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: 4.28 µg/m³
PM₁₀: 4.35 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: 4.16 µg/m³
PM₁₀: 4.24 µg/m³
O₃: 0.038 ppm
NO₂: 0.7 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

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.88 µg/m³
PM₁₀: 3.96 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: 3.46 µg/m³
PM₁₀: 3.54 µg/m³
O₃: 0.034 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: 3.16 µg/m³
PM₁₀: 3.25 µg/m³
O₃: 0.030 ppm
NO₂: 1.5 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: 2.87 µg/m³
PM₁₀: 2.97 µg/m³
O₃: 0.027 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.

11 PM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.57 µg/m³
PM₁₀: 2.68 µg/m³
O₃: 0.025 ppm
NO₂: 2 ppb
SO₂: 0.4 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 Gary

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, 2:40 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Gary

Beach Hazards Statement

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