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)
52
Moderate
Monroe, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.46 μg/m³
0
55
155
255
425
605+
46.00 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
4.95 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Monroe, North Carolina
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AQI 37
Good
3.33μg/m³
PM2.5
15.24μg/m³
PM10
39.87ppb
O3
0.18ppb
SO2
3.92ppb
NO2
0.14ppm
CO
AQI 38
Good
3.12μg/m³
PM2.5
14.67μg/m³
PM10
40.98ppb
O3
1.93ppb
SO2
3.95ppb
NO2
0.14ppm
CO
AQI 37
Good
2.93μg/m³
PM2.5
16.46μg/m³
PM10
40.06ppb
O3
0.18ppb
SO2
4.00ppb
NO2
0.15ppm
CO
AQI 34
Good
2.56μg/m³
PM2.5
11.56μg/m³
PM10
36.91ppb
O3
1.90ppb
SO2
4.22ppb
NO2
0.15ppm
CO
AQI 38
Good
3.12μg/m³
PM2.5
14.67μg/m³
PM10
40.98ppb
O3
1.93ppb
SO2
3.95ppb
NO2
0.14ppm
CO
AQI 36
Good
3.81μg/m³
PM2.5
16.29μg/m³
PM10
38.70ppb
O3
3.55ppb
SO2
3.50ppb
NO2
0.13ppm
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 08:00:00 on 2025-09-05.
The best air quality in Monroe, North Carolina was recorded at 09:00:00 on 2025-09-05.
The real-time air quality index in Monroe, North Carolina is 52, 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 9.79 μg/m3.
The current PM10 levels in Monroe, North Carolina are 33.463 μg/m3.
The current carbon monoxide (CO) level in Monroe, North Carolina is 0.221 ppm.
The current sulfur dioxide (SO2) levels in Monroe, North Carolina are 0.248 ppb.
The current ozone (O3) levels at Monroe, North Carolina is 46 ppm.
The current nitrogen dioxide (NO2) levels at Monroe, North Carolina is 4.95 ppb.
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