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+
28.32 μg/m³
0
55
155
255
425
605+
27.84 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
2.97 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Port Royal, South Carolina
Port Royal, South Carolina
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AQI 60
Moderate
13.84μg/m³
PM2.5
44.75μg/m³
PM10
31.89ppb
O3
0.67ppb
SO2
4.31ppb
NO2
0.19ppm
CO
AQI 52
Moderate
9.66μg/m³
PM2.5
41.08μg/m³
PM10
28.37ppb
O3
0.79ppb
SO2
3.52ppb
NO2
0.24ppm
CO
AQI 60
Moderate
13.91μg/m³
PM2.5
41.81μg/m³
PM10
27.38ppb
O3
0.80ppb
SO2
3.55ppb
NO2
0.19ppm
CO
AQI 60
Moderate
13.71μg/m³
PM2.5
33.43μg/m³
PM10
27.35ppb
O3
0.82ppb
SO2
3.62ppb
NO2
0.19ppm
CO
AQI 60
Moderate
13.86μg/m³
PM2.5
45.71μg/m³
PM10
29.39ppb
O3
0.69ppb
SO2
3.79ppb
NO2
0.23ppm
CO
AQI 60
Moderate
13.77μg/m³
PM2.5
44.65μg/m³
PM10
28.77ppb
O3
0.81ppb
SO2
3.79ppb
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 08:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Port Royal, South Carolina was observed at 10:00:00 on 2026-07-23.
As of now, the AQI in Port Royal, South Carolina is 54, 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 10.966 μg/m3.
The PM10 concentration in Port Royal, South Carolina is 28.322 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Port Royal, South Carolina is 0.187 ppm.
Currently, Port Royal, South Carolina has a sulfur dioxide (SO2) concentration of 0.701 ppb.
The current ozone (O3) level in Port Royal, South Carolina at the moment is 27.841 ppm.
Nitrogen dioxide (NO2) level in Port Royal, South Carolina at the moment is 2.968 ppb.
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