Hourly Weather Forecast for Indianapolis, Indiana

Hourly Weather | Today › Tuesday, June 30, 2026

Active Weather Warnings

Heat Advisory

Indianapolis, Indiana

1 AM

81°

Feels Like 88°

Humidity: 81%

UV Index: 0

Wind: 6 mph

2 AM

81°

Feels Like 88°

Humidity: 84%

UV Index: 0

Wind: 6 mph

3 AM

79°

Feels Like 86°

Humidity: 85%

UV Index: 0

Wind: 6 mph

4 AM

79°

Feels Like 84°

Humidity: 87%

UV Index: 0

Wind: 6 mph

5 AM

77°

Feels Like 82°

Humidity: 88%

UV Index: 0

Wind: 5 mph

6 AM

73°

Feels Like 81°

Humidity: 95%

UV Index: 0

Wind: 5 mph

7 AM

75°

Feels Like 84°

Humidity: 90%

UV Index: 1

Wind: 5 mph

8 AM

81°

Feels Like 88°

Humidity: 78%

UV Index: 2

Wind: 6 mph

9 AM

82°

Feels Like 93°

Humidity: 70%

UV Index: 3

Wind: 6 mph

10 AM

86°

Feels Like 97°

Humidity: 65%

UV Index: 5

Wind: 7 mph

11 AM

90°

Feels Like 102°

Humidity: 59%

UV Index: 8

Wind: 7 mph

12 PM

91°

Feels Like 106°

Humidity: 53%

UV Index: 10

Wind: 7 mph

1 PM

93°

Feels Like 108°

Humidity: 48%

UV Index: 11

Wind: 8 mph

2 PM

95°

Feels Like 108°

Humidity: 46%

UV Index: 10

Wind: 8 mph

3 PM

97°

Feels Like 106°

Humidity: 45%

UV Index: 8

Wind: 8 mph

4 PM

97°

Feels Like 102°

Humidity: 44%

UV Index: 5

Wind: 8 mph

5 PM

97°

Feels Like 102°

Humidity: 44%

UV Index: 3

Wind: 9 mph

6 PM

95°

Feels Like 100°

Humidity: 45%

UV Index: 2

Wind: 8 mph

7 PM

93°

Feels Like 99°

Humidity: 49%

UV Index: 1

Wind: 8 mph

8 PM

91°

Feels Like 97°

Humidity: 53%

UV Index: 0

Wind: 7 mph

9 PM

90°

Feels Like 95°

Humidity: 58%

UV Index: 0

Wind: 7 mph

10 PM

88°

Feels Like 93°

Humidity: 65%

UV Index: 0

Wind: 6 mph

11 PM

84°

Feels Like 90°

Humidity: 72%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM

28 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.74 µg/m³
PM₁₀: 8.8 µg/m³
O₃: 0.017 ppm
NO₂: 1.8 ppb
SO₂: 0.6 ppb
CO: 0.11 ppm

Health Recommendations:

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

2 AM

28 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.84 µg/m³
PM₁₀: 8.91 µg/m³
O₃: 0.016 ppm
NO₂: 1.6 ppb
SO₂: 0.5 ppb
CO: 0.11 ppm

Health Recommendations:

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

3 AM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.99 µg/m³
PM₁₀: 9.07 µg/m³
O₃: 0.014 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.

4 AM

30 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.29 µg/m³
PM₁₀: 9.38 µg/m³
O₃: 0.013 ppm
NO₂: 1.4 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

5 AM

32 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.64 µg/m³
PM₁₀: 9.73 µg/m³
O₃: 0.013 ppm
NO₂: 1.3 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

6 AM

33 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.96 µg/m³
PM₁₀: 10.05 µg/m³
O₃: 0.012 ppm
NO₂: 1.3 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

7 AM

35 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.31 µg/m³
PM₁₀: 10.44 µg/m³
O₃: 0.012 ppm
NO₂: 1.4 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 AM

36 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.65 µg/m³
PM₁₀: 10.86 µg/m³
O₃: 0.012 ppm
NO₂: 1.5 ppb
SO₂: 0.5 ppb
CO: 0.11 ppm

Health Recommendations:

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

9 AM

37 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.96 µg/m³
PM₁₀: 11.26 µg/m³
O₃: 0.013 ppm
NO₂: 1.3 ppb
SO₂: 0.6 ppb
CO: 0.12 ppm

Health Recommendations:

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

10 AM

39 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.34 µg/m³
PM₁₀: 11.74 µg/m³
O₃: 0.016 ppm
NO₂: 1.1 ppb
SO₂: 0.7 ppb
CO: 0.12 ppm

Health Recommendations:

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

11 AM

43 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 10.35 µg/m³
PM₁₀: 12.94 µg/m³
O₃: 0.023 ppm
NO₂: 0.9 ppb
SO₂: 0.9 ppb
CO: 0.11 ppm

Health Recommendations:

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

12 PM

48 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.55 µg/m³
PM₁₀: 14.57 µg/m³
O₃: 0.034 ppm
NO₂: 0.7 ppb
SO₂: 1.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

1 PM

51 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.64 µg/m³
PM₁₀: 15.83 µg/m³
O₃: 0.038 ppm
NO₂: 0.5 ppb
SO₂: 1.6 ppb
CO: 0.10 ppm

Health Recommendations:

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

2 PM

53 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.32 µg/m³
PM₁₀: 16.64 µg/m³
O₃: 0.042 ppm
NO₂: 0.5 ppb
SO₂: 1.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

3 PM

51 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.65 µg/m³
PM₁₀: 16.59 µg/m³
O₃: 0.043 ppm
NO₂: 0.4 ppb
SO₂: 1.4 ppb
CO: 0.10 ppm

Health Recommendations:

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

4 PM

49 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.87 µg/m³
PM₁₀: 16.55 µg/m³
O₃: 0.043 ppm
NO₂: 0.4 ppb
SO₂: 1.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

5 PM

49 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.68 µg/m³
PM₁₀: 16.81 µg/m³
O₃: 0.043 ppm
NO₂: 0.4 ppb
SO₂: 1.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

6 PM

49 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.86 µg/m³
PM₁₀: 17.27 µg/m³
O₃: 0.043 ppm
NO₂: 0.6 ppb
SO₂: 1.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

7 PM

50 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.2 µg/m³
PM₁₀: 17.66 µg/m³
O₃: 0.042 ppm
NO₂: 0.7 ppb
SO₂: 1.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

8 PM

51 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.39 µg/m³
PM₁₀: 17.81 µg/m³
O₃: 0.041 ppm
NO₂: 1 ppb
SO₂: 1.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

9 PM

51 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.39 µg/m³
PM₁₀: 17.63 µg/m³
O₃: 0.037 ppm
NO₂: 1.4 ppb
SO₂: 1.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

10 PM

51 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.27 µg/m³
PM₁₀: 17.22 µg/m³
O₃: 0.032 ppm
NO₂: 1.8 ppb
SO₂: 1.1 ppb
CO: 0.10 ppm

Health Recommendations:

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

11 PM

49 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.82 µg/m³
PM₁₀: 16.38 µg/m³
O₃: 0.027 ppm
NO₂: 2 ppb
SO₂: 1 ppb
CO: 0.10 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 Indianapolis

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 29 at 9:37PM EDT until July 2 at 8:00PM EDT by NWS Indianapolis IN

Jun 29, 9:37 PM → Jul 2, 8:00 PM

WHAT: Heat index values up to 107.

WHERE: All of central Indiana.

WHEN: Until 8 PM EDT Thursday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Updated: Jun 29, 11:47 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Indianapolis

Heat Advisory

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