Stay updated with real-time air quality in Port Royal, South 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)
54
Moderate
Port Royal, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
45.74 μg/m³
0
55
155
255
425
605+
28.26 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
5.59 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Port Royal, South Carolina
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AQI 58
Moderate
13.01μg/m³
PM2.5
23.67μg/m³
PM10
30.09ppb
O3
0.47ppb
SO2
5.01ppb
NO2
0.21ppm
CO
AQI 56
Moderate
12.08μg/m³
PM2.5
26.00μg/m³
PM10
32.00ppb
O3
0.52ppb
SO2
4.85ppb
NO2
0.21ppm
CO
AQI 52
Moderate
10.39μg/m³
PM2.5
34.22μg/m³
PM10
29.10ppb
O3
0.52ppb
SO2
4.84ppb
NO2
0.21ppm
CO
AQI 54
Moderate
11.31μg/m³
PM2.5
22.03μg/m³
PM10
28.87ppb
O3
0.53ppb
SO2
4.79ppb
NO2
0.21ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
28.21μg/m³
PM10
29.71ppb
O3
0.43ppb
SO2
6.24ppb
NO2
0.22ppm
CO
AQI 49
Good
8.77μg/m³
PM2.5
25.03μg/m³
PM10
29.51ppb
O3
0.52ppb
SO2
6.20ppb
NO2
0.22ppm
CO
Air quality and pollutant data for South Carolina, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Port Royal, South Carolina is updated every hour for accuracy.
In the past 24 hours, the air quality in Port Royal, South Carolina was at its worst at 03:00:00 on 2026-03-03.
In the last 24 hours, the best air quality in Port Royal, South Carolina was observed at 08:00:00 on 2026-03-02.
As of now, the AQI in Port Royal, South Carolina is 56, indicating Moderate conditions.
Port Royal, South Carolina air has the highest levels of PM2.5.
Poor air quality in Port Royal, South Carolina means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Port Royal, South Carolina are currently 11.748 μg/m3.
The PM10 concentration in Port Royal, South Carolina is 32.165 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Port Royal, South Carolina is 0.24 ppm.
Currently, Port Royal, South Carolina has a sulfur dioxide (SO2) concentration of 0.438 ppb.
The current ozone (O3) level in Port Royal, South Carolina at the moment is 28.448 ppm.
Nitrogen dioxide (NO2) level in Port Royal, South Carolina at the moment is 5.033 ppb.
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