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)
56
Moderate
Marrero, Louisiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.20 μg/m³
0
55
155
255
425
605+
13.99 ppb
0
55
71
86
201
201+
1.34 ppb
0
36
76
186
605
1005+
13.25 ppb
0
54
101
361
1250
2050+
0.44 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marrero, Louisiana
Marrero, Louisiana
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AQI 56
Moderate
12.14μg/m³
PM2.5
52.76μg/m³
PM10
14.53ppb
O3
1.34ppb
SO2
13.25ppb
NO2
0.44ppm
CO
AQI 56
Moderate
12.16μg/m³
PM2.5
52.67μg/m³
PM10
15.32ppb
O3
1.35ppb
SO2
13.26ppb
NO2
0.44ppm
CO
AQI 56
Moderate
12.34μg/m³
PM2.5
53.00μg/m³
PM10
15.33ppb
O3
1.35ppb
SO2
13.29ppb
NO2
0.44ppm
CO
AQI 58
Moderate
12.87μg/m³
PM2.5
48.12μg/m³
PM10
22.67ppb
O3
1.31ppb
SO2
12.80ppb
NO2
0.44ppm
CO
AQI 56
Moderate
11.51μg/m³
PM2.5
50.61μg/m³
PM10
13.29ppb
O3
1.33ppb
SO2
13.17ppb
NO2
0.44ppm
CO
AQI 56
Moderate
12.19μg/m³
PM2.5
52.74μg/m³
PM10
15.43ppb
O3
1.35ppb
SO2
13.27ppb
NO2
0.44ppm
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 02:00:00 on 2025-12-10.
In the last 24 hrs, the best air quality in Marrero, Louisiana was observed at 12:00:00 on 2025-12-09.
The current air quality in Marrero, Louisiana is 56, categorized as Moderate 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 12.18 μg/m3.
The current PM10 concentration at Marrero, Louisiana is 53.197 μg/m3.
The current carbon monoxide (CO) concentration at Marrero, Louisiana is 0.439 ppm.
The current sulfur dioxide (SO2) concentration at Marrero, Louisiana is 1.338 ppb.
The current ozone (O3) concentration at Marrero, Louisiana is 13.991 ppm.
The current nitrogen dioxide (NO2) concentration at Marrero, Louisiana is 13.248 ppb.
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