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)
44
Good
West Monroe, Louisiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.01 μg/m³
0
55
155
255
425
605+
31.04 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
2.37 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Monroe, Louisiana
West Monroe, Louisiana
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AQI 44
Good
8.10μg/m³
PM2.5
35.98μg/m³
PM10
28.05ppb
O3
0.75ppb
SO2
3.46ppb
NO2
0.25ppm
CO
AQI 44
Good
8.09μg/m³
PM2.5
31.00μg/m³
PM10
27.43ppb
O3
0.75ppb
SO2
3.42ppb
NO2
0.26ppm
CO
AQI 32
Good
5.20μg/m³
PM2.5
22.80μg/m³
PM10
34.90ppb
O3
0.44ppb
SO2
0.28ppb
NO2
0.11ppm
CO
AQI 35
Good
5.91μg/m³
PM2.5
26.54μg/m³
PM10
37.90ppb
O3
0.57ppb
SO2
0.29ppb
NO2
0.12ppm
CO
AQI 44
Good
8.25μg/m³
PM2.5
27.25μg/m³
PM10
27.84ppb
O3
0.64ppb
SO2
3.29ppb
NO2
0.26ppm
CO
AQI 33
Good
5.65μg/m³
PM2.5
24.38μg/m³
PM10
35.21ppb
O3
0.48ppb
SO2
0.34ppb
NO2
0.11ppm
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 07:00:00 on 2026-08-09.
In the last 24 hrs, the best air quality in West Monroe, Louisiana was observed at 03:00:00 on 2026-08-10.
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 7.501 μg/m3.
The current PM10 concentration at West Monroe, Louisiana is 33.008 μg/m3.
The current carbon monoxide (CO) concentration at West Monroe, Louisiana is 0.265 ppm.
The current sulfur dioxide (SO2) concentration at West Monroe, Louisiana is 0.747 ppb.
The current ozone (O3) concentration at West Monroe, Louisiana is 31.044 ppm.
The current nitrogen dioxide (NO2) concentration at West Monroe, Louisiana is 2.369 ppb.
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