Stay updated with real-time air quality in 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
Monroe, Louisiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.84 μg/m³
0
55
155
255
425
605+
22.02 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
1.30 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Monroe, Louisiana
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AQI 38
Good
7.14μg/m³
PM2.5
31.45μg/m³
PM10
18.01ppb
O3
0.45ppb
SO2
2.82ppb
NO2
0.19ppm
CO
AQI 38
Good
7.23μg/m³
PM2.5
34.38μg/m³
PM10
21.05ppb
O3
0.45ppb
SO2
2.83ppb
NO2
0.19ppm
CO
AQI 27
Good
4.68μg/m³
PM2.5
20.08μg/m³
PM10
19.84ppb
O3
0.42ppb
SO2
1.39ppb
NO2
0.13ppm
CO
AQI 52
Moderate
9.60μg/m³
PM2.5
42.74μg/m³
PM10
21.11ppb
O3
0.32ppb
SO2
1.01ppb
NO2
0.13ppm
CO
AQI 44
Good
8.04μg/m³
PM2.5
33.70μg/m³
PM10
18.42ppb
O3
0.45ppb
SO2
2.90ppb
NO2
0.21ppm
CO
AQI 33
Good
5.65μg/m³
PM2.5
24.05μg/m³
PM10
14.06ppb
O3
0.26ppb
SO2
1.65ppb
NO2
0.12ppm
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 Monroe, Louisiana is updated every hour.
The worst air quality in Monroe, Louisiana in the last 24 hours was observed at 03:00:00 on 2025-07-19.
In the last 24 hrs, the best air quality in Monroe, Louisiana was observed at 10:00:00 on 2025-07-19.
The current air quality in Monroe, Louisiana is 38, categorized as Good based on real-time data.
The most common pollutant in Monroe, Louisiana is PM2.5.
If the air quality in Monroe, Louisiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Monroe, Louisiana is 7.143 μg/m3.
The current PM10 concentration at Monroe, Louisiana is 31.452 μg/m3.
The current carbon monoxide (CO) concentration at Monroe, Louisiana is 0.187 ppm.
The current sulfur dioxide (SO2) concentration at Monroe, Louisiana is 0.452 ppb.
The current ozone (O3) concentration at Monroe, Louisiana is 18.014 ppm.
The current nitrogen dioxide (NO2) concentration at Monroe, Louisiana is 2.818 ppb.
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