Stay updated with real-time air quality in West Monroe, 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)
38
Good
West Monroe, Louisiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.81 μg/m³
0
55
155
255
425
605+
18.97 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
6.66 ppb
0
54
101
361
1250
2050+
0.50 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
West Monroe, Louisiana
West Monroe, Louisiana
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AQI 44
Good
7.96μg/m³
PM2.5
23.73μg/m³
PM10
24.00ppb
O3
0.60ppb
SO2
18.48ppb
NO2
0.57ppm
CO
AQI 44
Good
7.88μg/m³
PM2.5
23.75μg/m³
PM10
25.90ppb
O3
0.60ppb
SO2
14.21ppb
NO2
0.57ppm
CO
AQI 38
Good
6.75μg/m³
PM2.5
29.86μg/m³
PM10
26.11ppb
O3
0.58ppb
SO2
4.21ppb
NO2
0.17ppm
CO
AQI 29
Good
5.37μg/m³
PM2.5
22.83μg/m³
PM10
31.13ppb
O3
0.52ppb
SO2
3.17ppb
NO2
0.17ppm
CO
AQI 30
Good
5.05μg/m³
PM2.5
25.05μg/m³
PM10
32.17ppb
O3
0.86ppb
SO2
13.30ppb
NO2
0.54ppm
CO
AQI 44
Good
7.86μg/m³
PM2.5
34.57μg/m³
PM10
18.48ppb
O3
0.57ppb
SO2
7.17ppb
NO2
0.22ppm
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 West Monroe, Louisiana is updated every hour.
The worst air quality in West Monroe, Louisiana in the last 24 hours was observed at 02:00:00 on 2025-10-23.
In the last 24 hrs, the best air quality in West Monroe, Louisiana was observed at 10:00:00 on 2025-10-22.
The current air quality in West Monroe, Louisiana is 44, categorized as Good based on real-time data.
The most common pollutant in West Monroe, Louisiana is PM2.5.
If the air quality in West Monroe, Louisiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at West Monroe, Louisiana is 7.961 μg/m3.
The current PM10 concentration at West Monroe, Louisiana is 23.728 μg/m3.
The current carbon monoxide (CO) concentration at West Monroe, Louisiana is 0.568 ppm.
The current sulfur dioxide (SO2) concentration at West Monroe, Louisiana is 0.598 ppb.
The current ozone (O3) concentration at West Monroe, Louisiana is 24 ppm.
The current nitrogen dioxide (NO2) concentration at West Monroe, Louisiana is 18.484 ppb.
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