Stay updated with real-time air quality in Louisiana, USA 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
Louisiana, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.74 μg/m³
0
55
155
255
425
605+
21.25 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
2.37 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Louisiana, USA
Louisiana, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 27
Good
4.18μg/m³
PM2.5
17.60μg/m³
PM10
29.34ppb
O3
0.46ppb
SO2
1.62ppb
NO2
0.18ppm
CO
AQI 32
Good
4.83μg/m³
PM2.5
18.87μg/m³
PM10
34.85ppb
O3
0.87ppb
SO2
4.75ppb
NO2
0.23ppm
CO
AQI 32
Good
4.72μg/m³
PM2.5
21.11μg/m³
PM10
35.41ppb
O3
0.61ppb
SO2
1.23ppb
NO2
0.18ppm
CO
AQI 41
Good
3.77μg/m³
PM2.5
15.69μg/m³
PM10
44.49ppb
O3
2.99ppb
SO2
4.55ppb
NO2
0.32ppm
CO
AQI 39
Good
3.31μg/m³
PM2.5
13.78μg/m³
PM10
42.29ppb
O3
0.74ppb
SO2
4.18ppb
NO2
0.20ppm
CO
AQI 33
Good
6.23μg/m³
PM2.5
23.26μg/m³
PM10
26.61ppb
O3
2.21ppb
SO2
3.83ppb
NO2
0.30ppm
CO
The air quality data for Louisiana, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Louisiana, USA are available every hour.
Louisiana, USA experienced its worst air quality at 07:00:00, 2026-06-15.
The best air quality in Louisiana, USA was observed at 02:00:00 on 2026-06-15.
The air quality in Louisiana, USA right now is Good, with an AQI of 44.
In Louisiana, USA, PM2.5 is the most frequently found pollutant.
When air quality in Louisiana, USA is compromised, staying indoors and wearing a mask can reduce health risks.
Louisiana, USA currently has a PM2.5 concentration of 8.063 μg/m3.
Louisiana, USA currently has a PM10 concentration of 30.741 μg/m3.
The current carbon monoxide (CO) level in Louisiana, USA is 0.224 ppm.
The current sulfur dioxide (SO2) concentration in Louisiana, USA is 0.735 ppb.
Louisiana, USA currently has an ozone (O3) concentration of 21.245 ppm.
The current level of nitrogen dioxide (NO2) in Louisiana, USA is 2.371 ppb.
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