Stay updated with real-time air quality in Monroe, North Carolina 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
Monroe, North Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.68 μg/m³
0
55
155
255
425
605+
20.00 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
8.52 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Monroe, North Carolina
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AQI 56
Moderate
12.28μg/m³
PM2.5
40.83μg/m³
PM10
20.60ppb
O3
0.55ppb
SO2
7.52ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.10μg/m³
PM2.5
40.85μg/m³
PM10
19.58ppb
O3
0.55ppb
SO2
7.69ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.71μg/m³
PM2.5
34.39μg/m³
PM10
19.19ppb
O3
0.56ppb
SO2
7.29ppb
NO2
0.21ppm
CO
AQI 56
Moderate
11.52μg/m³
PM2.5
45.69μg/m³
PM10
14.18ppb
O3
0.57ppb
SO2
7.58ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.10μg/m³
PM2.5
40.85μg/m³
PM10
19.58ppb
O3
0.55ppb
SO2
7.69ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.22μg/m³
PM2.5
32.77μg/m³
PM10
20.15ppb
O3
0.56ppb
SO2
9.06ppb
NO2
0.20ppm
CO
Air quality measurements for North Carolina, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Monroe, North Carolina is updated on an hourly basis.
The worst air quality in Monroe, North Carolina was recorded at 10:00:00 on 2026-06-07.
The best air quality in Monroe, North Carolina was recorded at 01:00:00 on 2026-06-08.
The real-time air quality index in Monroe, North Carolina is 56, currently categorized as Moderate.
The most common pollutant in Monroe, North Carolina is PM2.5.
If the air quality in Monroe, North Carolina is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Monroe, North Carolina at present are 12.284 μg/m3.
The current PM10 levels in Monroe, North Carolina are 42.676 μg/m3.
The current carbon monoxide (CO) level in Monroe, North Carolina is 0.193 ppm.
The current sulfur dioxide (SO2) levels in Monroe, North Carolina are 0.509 ppb.
The current ozone (O3) levels at Monroe, North Carolina is 20 ppm.
The current nitrogen dioxide (NO2) levels at Monroe, North Carolina is 8.515 ppb.
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