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)
44
Good
New Orleans, Louisiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.57 μg/m³
0
55
155
255
425
605+
39.27 ppb
0
55
71
86
201
201+
2.15 ppb
0
36
76
186
605
1005+
6.23 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
New Orleans, Louisiana
New Orleans, Louisiana
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AQI 38
Good
7.30μg/m³
PM2.5
25.98μg/m³
PM10
37.64ppb
O3
2.27ppb
SO2
5.95ppb
NO2
0.30ppm
CO
AQI 38
Good
7.37μg/m³
PM2.5
25.35μg/m³
PM10
38.39ppb
O3
2.21ppb
SO2
6.05ppb
NO2
0.30ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
26.10μg/m³
PM10
37.55ppb
O3
2.28ppb
SO2
5.93ppb
NO2
0.30ppm
CO
AQI 38
Good
7.39μg/m³
PM2.5
25.09μg/m³
PM10
38.83ppb
O3
2.17ppb
SO2
6.11ppb
NO2
0.30ppm
CO
AQI 38
Good
7.16μg/m³
PM2.5
25.73μg/m³
PM10
39.90ppb
O3
2.09ppb
SO2
6.31ppb
NO2
0.30ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
27.20μg/m³
PM10
36.64ppb
O3
2.35ppb
SO2
5.79ppb
NO2
0.30ppm
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 03:00:00 on 2026-04-24.
In the last 24 hrs, the best air quality in New Orleans, Louisiana was observed at 05:00:00 on 2026-04-24.
The current air quality in New Orleans, Louisiana is 44, categorized as Good based on real-time data.
The most common pollutant in New Orleans, Louisiana is PM2.5.
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 7.621 μg/m3.
The current PM10 concentration at New Orleans, Louisiana is 23.573 μg/m3.
The current carbon monoxide (CO) concentration at New Orleans, Louisiana is 0.296 ppm.
The current sulfur dioxide (SO2) concentration at New Orleans, Louisiana is 2.15 ppb.
The current ozone (O3) concentration at New Orleans, Louisiana is 39.266 ppm.
The current nitrogen dioxide (NO2) concentration at New Orleans, Louisiana is 6.228 ppb.
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