Today | Weather | Wednesday, September 23, 2026

Weather in New Orleans, Louisiana

03:13 PM
Now
Cloudy Weather
93° F
Feels Like 104°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 5
Humidity 53 %
Today
Cloudy Weather
Day 93°
Night 75°
Precipitation 25 %
Wind 8 mph
UV Index (0 - 11+) 7

New Orleans Weather Forecast Updated

1 minute ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 23, 2025)
Cloudy Night

Day

91°

Night

77°

Wind

7 mph

Precipitation

7 %

Air Quality in New Orleans

NOW
49 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.08 µg/m³
PM10 7.83 µg/m³
O3 0.053 ppm
NO2 0.2 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 0.07 µg/m³
NO 0.05 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.56.08 µg/m³
PM107.83 µg/m³
O3104.18 µg/m³
NO20.38 µg/m³
SO20.77 µg/m³
CO153.87 µg/m³
NH30.07 µg/m³
NO0.05 µg/m³