Stay updated with real-time air quality in Marrero, 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
Marrero, Louisiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.62 μg/m³
0
55
155
255
425
605+
10.16 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
7.02 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Marrero, Louisiana
Marrero, Louisiana
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AQI 44
Good
7.64μg/m³
PM2.5
33.95μg/m³
PM10
10.50ppb
O3
0.33ppb
SO2
7.00ppb
NO2
0.23ppm
CO
AQI 44
Good
7.72μg/m³
PM2.5
34.34μg/m³
PM10
11.02ppb
O3
0.32ppb
SO2
6.99ppb
NO2
0.23ppm
CO
AQI 44
Good
7.70μg/m³
PM2.5
34.34μg/m³
PM10
10.69ppb
O3
0.33ppb
SO2
6.98ppb
NO2
0.23ppm
CO
AQI 44
Good
7.66μg/m³
PM2.5
37.09μg/m³
PM10
11.43ppb
O3
0.35ppb
SO2
6.30ppb
NO2
0.23ppm
CO
AQI 44
Good
7.53μg/m³
PM2.5
33.28μg/m³
PM10
10.03ppb
O3
0.34ppb
SO2
7.03ppb
NO2
0.23ppm
CO
AQI 44
Good
7.73μg/m³
PM2.5
34.39μg/m³
PM10
11.05ppb
O3
0.32ppb
SO2
6.99ppb
NO2
0.23ppm
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 Marrero, Louisiana is updated every hour.
The worst air quality in Marrero, Louisiana in the last 24 hours was observed at 05:00:00 on 2025-07-20.
In the last 24 hrs, the best air quality in Marrero, Louisiana was observed at 10:00:00 on 2025-07-19.
The current air quality in Marrero, Louisiana is 44, categorized as Good based on real-time data.
The most common pollutant in Marrero, Louisiana is PM2.5.
If the air quality in Marrero, Louisiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Marrero, Louisiana is 7.589 μg/m3.
The current PM10 concentration at Marrero, Louisiana is 33.624 μg/m3.
The current carbon monoxide (CO) concentration at Marrero, Louisiana is 0.227 ppm.
The current sulfur dioxide (SO2) concentration at Marrero, Louisiana is 0.334 ppb.
The current ozone (O3) concentration at Marrero, Louisiana is 10.159 ppm.
The current nitrogen dioxide (NO2) concentration at Marrero, Louisiana is 7.019 ppb.
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