Hourly Weather Forecast for Bloomington, Indiana

Hourly Weather | Today › Tuesday, September 1, 2026

Active Weather Warnings

Heat Advisory

Bloomington, Indiana

12 PM

90°

Feels Like 99°

Humidity: 55%

UV Index: 7

Wind: 8 mph

1 PM

91°

Feels Like 100°

Humidity: 48%

UV Index: 7

Wind: 8 mph

2 PM

93°

Feels Like 102°

Humidity: 45%

UV Index: 7

Wind: 8 mph

3 PM

95°

Feels Like 100°

Humidity: 42%

UV Index: 5

Wind: 8 mph

4 PM

97°

Feels Like 100°

Humidity: 40%

UV Index: 4

Wind: 8 mph

5 PM

95°

Feels Like 99°

Humidity: 41%

UV Index: 2

Wind: 7 mph

6 PM

93°

Feels Like 97°

Humidity: 43%

UV Index: 1

Wind: 7 mph

7 PM

90°

Feels Like 93°

Humidity: 50%

UV Index: 0

Wind: 6 mph

8 PM

88°

Feels Like 91°

Humidity: 60%

UV Index: 0

Wind: 6 mph

9 PM

82°

Feels Like 88°

Humidity: 68%

UV Index: 0

Wind: 6 mph

10 PM

81°

Feels Like 84°

Humidity: 75%

UV Index: 0

Wind: 6 mph

11 PM

75°

Feels Like 81°

Humidity: 83%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.75 µg/m³
PM₁₀: 6.86 µg/m³
O₃: 0.037 ppm
NO₂: 1.1 ppb
SO₂: 1.1 ppb
CO: 0.12 ppm

Health Recommendations:

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

1 PM

41 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.28 µg/m³
PM₁₀: 8.3 µg/m³
O₃: 0.045 ppm
NO₂: 0.8 ppb
SO₂: 1.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

2 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.79 µg/m³
PM₁₀: 9.77 µg/m³
O₃: 0.051 ppm
NO₂: 0.8 ppb
SO₂: 1.6 ppb
CO: 0.11 ppm

Health Recommendations:

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

3 PM

52 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.12 µg/m³
PM₁₀: 9.85 µg/m³
O₃: 0.055 ppm
NO₂: 0.7 ppb
SO₂: 1.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

4 PM

51 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.02 µg/m³
PM₁₀: 9.69 µg/m³
O₃: 0.054 ppm
NO₂: 0.7 ppb
SO₂: 1.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

5 PM

52 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.02 µg/m³
PM₁₀: 9.71 µg/m³
O₃: 0.055 ppm
NO₂: 0.9 ppb
SO₂: 1.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

6 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.22 µg/m³
PM₁₀: 10.14 µg/m³
O₃: 0.051 ppm
NO₂: 1.7 ppb
SO₂: 1 ppb
CO: 0.12 ppm

Health Recommendations:

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

7 PM

42 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.41 µg/m³
PM₁₀: 10.69 µg/m³
O₃: 0.045 ppm
NO₂: 3.1 ppb
SO₂: 0.8 ppb
CO: 0.14 ppm

Health Recommendations:

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

8 PM

39 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.4 µg/m³
PM₁₀: 11.04 µg/m³
O₃: 0.040 ppm
NO₂: 4.5 ppb
SO₂: 0.7 ppb
CO: 0.15 ppm

Health Recommendations:

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

9 PM

39 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.27 µg/m³
PM₁₀: 11.2 µg/m³
O₃: 0.035 ppm
NO₂: 4.9 ppb
SO₂: 0.6 ppb
CO: 0.15 ppm

Health Recommendations:

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

10 PM

38 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.13 µg/m³
PM₁₀: 11.25 µg/m³
O₃: 0.032 ppm
NO₂: 4.7 ppb
SO₂: 0.6 ppb
CO: 0.15 ppm

Health Recommendations:

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

11 PM

37 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.9 µg/m³
PM₁₀: 11.13 µg/m³
O₃: 0.028 ppm
NO₂: 4.4 ppb
SO₂: 0.5 ppb
CO: 0.15 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 Bloomington

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 1 at 4:36AM EDT until September 3 at 8:00PM EDT by NWS Indianapolis IN

Sep 1, 2:00 PM → Sep 3, 8:00 PM

WHAT: Peak heat index values up to 105 are expected each afternoon
with limited relief from the heat and humidity overnight.

WHERE: All of central Indiana.

WHEN: From 2 PM this afternoon to 8 PM EDT Thursday.

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

+ Read More

Drink plenty of fluids, limit time outdoors, and check up on relatives and neighbors.

Updated: Sep 1, 11:06 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Bloomington

Heat Advisory

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