Hourly Weather Forecast for New Orleans, Louisiana

Hourly Weather | Today › Sunday, August 23, 2026

Active Weather Warnings

Heat Advisory

New Orleans, Louisiana

7 AM

81°

Feels Like 91°

Humidity: 93%

UV Index: 0

Wind: 6 mph

8 AM

82°

Feels Like 97°

Humidity: 87%

UV Index: 2

Wind: 6 mph

9 AM

86°

Feels Like 100°

Humidity: 79%

UV Index: 3

Wind: 7 mph

10 AM

88°

Feels Like 104°

Humidity: 72%

UV Index: 4

Wind: 7 mph

11 AM

91°

Feels Like 108°

Humidity: 65%

UV Index: 7

Wind: 7 mph

12 PM

93°

Feels Like 109°

Humidity: 58%

UV Index: 9

Wind: 7 mph

1 PM

95°

Feels Like 111°

Humidity: 53%

UV Index: 10

Wind: 7 mph

2 PM

97°

Feels Like 111°

Humidity: 49%

UV Index: 9

Wind: 7 mph

3 PM

99°

Feels Like 111°

Humidity: 45%

UV Index: 7

Wind: 7 mph

4 PM

97°

Feels Like 108°

Humidity: 45%

UV Index: 4

Wind: 7 mph

5 PM

97°

Feels Like 106°

Humidity: 47%

UV Index: 3

Wind: 7 mph

6 PM

93°

Feels Like 100°

Humidity: 56%

UV Index: 2

Wind: 7 mph

7 PM

91°

Feels Like 100°

Humidity: 62%

UV Index: 0

Wind: 7 mph

8 PM

90°

Feels Like 99°

Humidity: 66%

UV Index: 0

Wind: 7 mph

9 PM

88°

Feels Like 97°

Humidity: 73%

UV Index: 0

Wind: 7 mph

10 PM

84°

Feels Like 93°

Humidity: 81%

UV Index: 0

Wind: 7 mph

11 PM

84°

Feels Like 93°

Humidity: 81%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM

19 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.01 µg/m³
PM₁₀: 7.6 µg/m³
O₃: 0.021 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

8 AM

22 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.14 µg/m³
PM₁₀: 7.49 µg/m³
O₃: 0.024 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

9 AM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.33 µg/m³
PM₁₀: 7.29 µg/m³
O₃: 0.029 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

10 AM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.6 µg/m³
PM₁₀: 7.27 µg/m³
O₃: 0.032 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

11 AM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.9 µg/m³
PM₁₀: 7.53 µg/m³
O₃: 0.035 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

12 PM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.2 µg/m³
PM₁₀: 8.01 µg/m³
O₃: 0.035 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

1 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.54 µg/m³
PM₁₀: 8.53 µg/m³
O₃: 0.035 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

2 PM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.83 µg/m³
PM₁₀: 9.05 µg/m³
O₃: 0.035 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

3 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5 µg/m³
PM₁₀: 9.5 µg/m³
O₃: 0.034 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

4 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.12 µg/m³
PM₁₀: 9.9 µg/m³
O₃: 0.033 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

5 PM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.39 µg/m³
PM₁₀: 10.02 µg/m³
O₃: 0.034 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

6 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.56 µg/m³
PM₁₀: 9.69 µg/m³
O₃: 0.037 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

7 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.62 µg/m³
PM₁₀: 9.33 µg/m³
O₃: 0.038 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

8 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.64 µg/m³
PM₁₀: 9.26 µg/m³
O₃: 0.038 ppm
NO₂: 0.2 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

9 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.57 µg/m³
PM₁₀: 9.38 µg/m³
O₃: 0.037 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

10 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.4 µg/m³
PM₁₀: 9.4 µg/m³
O₃: 0.036 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 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: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.15 µg/m³
PM₁₀: 9.16 µg/m³
O₃: 0.035 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.09 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 New Orleans

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 22 at 11:32AM CDT until August 23 at 8:00PM CDT by NWS New Orleans LA

Aug 23, 11:00 AM → Aug 23, 8:00 PM

WHAT: Heat index values up to 112 degrees expected.

WHERE: Portions of southeast Louisiana and southern Mississippi.

WHEN: Until 8 PM CDT this evening and again from 11 AM to 8 PM CDT
Sunday.

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.

Updated: Aug 22, 7:25 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for New Orleans

Heat Advisory

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