Today | Weather | Wednesday, September 17, 2025

Weather in New Orleans, Louisiana

08:27 PM

Now

82° F

Feels Like 84°

Precipitation 1 %

Wind 8 mph

Humidity 65 %

Today

Day 91°

Night 70°

Precipitation 1 %

Wind 8

New Orleans Weather Forecast Updated

Last updated on September 17, 2025 7:26 PM

Last Year's Weather on This Day (September 17, 2024)

90°

73°

6 mph

NOW

105 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: O3

PM2.5 8.34 µg/m³

PM10 8.52 µg/m³

O₃ 60.25 ppb

NO₂ 5.59 ppb

SO₂ 0.62 ppb

CO 194.93 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.