Stay updated with real-time air quality in Gretna, 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)
33
Good
Gretna, Louisiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.13 μg/m³
0
55
155
255
425
605+
36.14 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
7.29 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Gretna, Louisiana
Gretna, Louisiana
Scroll To Air Quality MapLoading...
AQI 33
Good
4.56μg/m³
PM2.5
20.11μg/m³
PM10
36.12ppb
O3
0.62ppb
SO2
7.29ppb
NO2
0.18ppm
CO
AQI 33
Good
4.64μg/m³
PM2.5
20.40μg/m³
PM10
36.42ppb
O3
0.62ppb
SO2
7.31ppb
NO2
0.18ppm
CO
AQI 34
Good
4.63μg/m³
PM2.5
20.40μg/m³
PM10
36.55ppb
O3
0.63ppb
SO2
7.34ppb
NO2
0.18ppm
CO
AQI 33
Good
4.51μg/m³
PM2.5
19.90μg/m³
PM10
35.88ppb
O3
0.61ppb
SO2
7.25ppb
NO2
0.18ppm
CO
AQI 34
Good
4.70μg/m³
PM2.5
20.61μg/m³
PM10
36.61ppb
O3
0.63ppb
SO2
7.33ppb
NO2
0.18ppm
CO
AQI 33
Good
4.61μg/m³
PM2.5
20.27μg/m³
PM10
36.30ppb
O3
0.62ppb
SO2
7.29ppb
NO2
0.18ppm
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 Gretna, Louisiana is updated every hour.
The worst air quality in Gretna, Louisiana in the last 24 hours was observed at 10:00:00 on 2025-06-03.
In the last 24 hrs, the best air quality in Gretna, Louisiana was observed at 02:00:00 on 2025-06-04.
The current air quality in Gretna, Louisiana is 33, categorized as Good based on real-time data.
The most common pollutant in Gretna, Louisiana is O3.
If the air quality in Gretna, Louisiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Gretna, Louisiana is 4.564 μg/m3.
The current PM10 concentration at Gretna, Louisiana is 20.13 μg/m3.
The current carbon monoxide (CO) concentration at Gretna, Louisiana is 0.183 ppm.
The current sulfur dioxide (SO2) concentration at Gretna, Louisiana is 0.62 ppb.
The current ozone (O3) concentration at Gretna, Louisiana is 36.141 ppm.
The current nitrogen dioxide (NO2) concentration at Gretna, Louisiana is 7.289 ppb.
All Rights Reserved © Ambee Inc. 2025