Stay updated with real-time air quality in New Orleans, Louisiana featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
27
Good
New Orleans, Louisiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.91 μg/m³
0
55
155
255
425
605+
20.60 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
13.83 ppb
0
54
101
361
1250
2050+
0.55 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
New Orleans, Louisiana
New Orleans, Louisiana
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AQI 37
Good
4.04μg/m³
PM2.5
17.80μg/m³
PM10
40.00ppb
O3
0.90ppb
SO2
5.86ppb
NO2
0.24ppm
CO
AQI 37
Good
4.07μg/m³
PM2.5
17.90μg/m³
PM10
39.82ppb
O3
0.90ppb
SO2
5.86ppb
NO2
0.24ppm
CO
AQI 37
Good
4.03μg/m³
PM2.5
17.79μg/m³
PM10
40.04ppb
O3
0.90ppb
SO2
5.86ppb
NO2
0.24ppm
CO
AQI 37
Good
4.09μg/m³
PM2.5
17.95μg/m³
PM10
39.68ppb
O3
0.90ppb
SO2
5.86ppb
NO2
0.24ppm
CO
AQI 36
Good
4.07μg/m³
PM2.5
17.72μg/m³
PM10
39.08ppb
O3
0.91ppb
SO2
5.85ppb
NO2
0.24ppm
CO
AQI 37
Good
3.99μg/m³
PM2.5
17.69μg/m³
PM10
40.43ppb
O3
0.90ppb
SO2
5.86ppb
NO2
0.24ppm
CO
Air quality data and pollutant measurements for Louisiana, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for New Orleans, Louisiana is updated every hour.
The worst air quality in New Orleans, Louisiana in the last 24 hours was observed at 10:00:00 on 2025-10-23.
In the last 24 hrs, the best air quality in New Orleans, Louisiana was observed at 04:00:00 on 2025-10-23.
The current air quality in New Orleans, Louisiana is 36, categorized as Good based on real-time data.
The most common pollutant in New Orleans, Louisiana is O3.
If the air quality in New Orleans, Louisiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at New Orleans, Louisiana is 4.147 μg/m3.
The current PM10 concentration at New Orleans, Louisiana is 18.093 μg/m3.
The current carbon monoxide (CO) concentration at New Orleans, Louisiana is 0.24 ppm.
The current sulfur dioxide (SO2) concentration at New Orleans, Louisiana is 0.905 ppb.
The current ozone (O3) concentration at New Orleans, Louisiana is 39.336 ppm.
The current nitrogen dioxide (NO2) concentration at New Orleans, Louisiana is 5.856 ppb.
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