Stay updated with real-time air quality in Belle Chasse, 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)
22
Good
Belle Chasse, Louisiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.02 μg/m³
0
55
155
255
425
605+
21.14 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
13.74 ppb
0
54
101
361
1250
2050+
0.55 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Belle Chasse, Louisiana
Belle Chasse, Louisiana
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AQI 38
Good
6.97μg/m³
PM2.5
28.63μg/m³
PM10
20.09ppb
O3
0.61ppb
SO2
16.04ppb
NO2
0.47ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
30.75μg/m³
PM10
19.74ppb
O3
0.62ppb
SO2
16.04ppb
NO2
0.48ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
30.61μg/m³
PM10
19.87ppb
O3
0.62ppb
SO2
16.04ppb
NO2
0.48ppm
CO
AQI 38
Good
7.32μg/m³
PM2.5
30.99μg/m³
PM10
19.70ppb
O3
0.62ppb
SO2
16.04ppb
NO2
0.48ppm
CO
AQI 44
Good
7.54μg/m³
PM2.5
32.30μg/m³
PM10
19.54ppb
O3
0.62ppb
SO2
16.04ppb
NO2
0.48ppm
CO
AQI 33
Good
6.04μg/m³
PM2.5
24.84μg/m³
PM10
20.35ppb
O3
0.60ppb
SO2
16.10ppb
NO2
0.47ppm
CO
Air quality and pollutant data for Louisiana, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Belle Chasse, Louisiana is updated every hour for accuracy.
In the past 24 hours, the air quality in Belle Chasse, Louisiana was at its worst at 10:00:00 on 2025-10-22.
In the last 24 hours, the best air quality in Belle Chasse, Louisiana was observed at 11:00:00 on 2025-10-22.
As of now, the AQI in Belle Chasse, Louisiana is 38, indicating Good conditions.
Belle Chasse, Louisiana air has the highest levels of PM2.5.
Poor air quality in Belle Chasse, Louisiana means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Belle Chasse, Louisiana are currently 6.861 μg/m3.
The PM10 concentration in Belle Chasse, Louisiana is 26.804 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Belle Chasse, Louisiana is 0.475 ppm.
Currently, Belle Chasse, Louisiana has a sulfur dioxide (SO2) concentration of 0.612 ppb.
The current ozone (O3) level in Belle Chasse, Louisiana at the moment is 20.478 ppm.
Nitrogen dioxide (NO2) level in Belle Chasse, Louisiana at the moment is 16.002 ppb.
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