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)
38
Good
Port Royal, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.16 μg/m³
0
55
155
255
425
605+
37.16 ppb
0
55
71
86
201
201+
3.10 ppb
0
36
76
186
605
1005+
2.62 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Port Royal, South Carolina
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AQI 38
Good
7.25μg/m³
PM2.5
22.09μg/m³
PM10
39.25ppb
O3
3.03ppb
SO2
2.63ppb
NO2
0.27ppm
CO
AQI 49
Good
8.88μg/m³
PM2.5
30.65μg/m³
PM10
35.60ppb
O3
3.22ppb
SO2
2.60ppb
NO2
0.25ppm
CO
AQI 49
Good
9.22μg/m³
PM2.5
32.10μg/m³
PM10
35.44ppb
O3
3.00ppb
SO2
2.59ppb
NO2
0.28ppm
CO
AQI 49
Good
9.39μg/m³
PM2.5
31.70μg/m³
PM10
36.18ppb
O3
3.06ppb
SO2
2.51ppb
NO2
0.28ppm
CO
AQI 64
Moderate
15.92μg/m³
PM2.5
45.63μg/m³
PM10
34.29ppb
O3
1.51ppb
SO2
2.52ppb
NO2
0.27ppm
CO
AQI 62
Moderate
15.31μg/m³
PM2.5
46.30μg/m³
PM10
34.46ppb
O3
2.23ppb
SO2
2.50ppb
NO2
0.28ppm
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 07:00:00 on 2026-04-20.
In the last 24 hours, the best air quality in Port Royal, South Carolina was observed at 08:00:00 on 2026-04-20.
As of now, the AQI in Port Royal, South Carolina is 38, indicating Good 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 7.377 μg/m3.
The PM10 concentration in Port Royal, South Carolina is 22.164 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Port Royal, South Carolina is 0.27 ppm.
Currently, Port Royal, South Carolina has a sulfur dioxide (SO2) concentration of 3.101 ppb.
The current ozone (O3) level in Port Royal, South Carolina at the moment is 37.156 ppm.
Nitrogen dioxide (NO2) level in Port Royal, South Carolina at the moment is 2.619 ppb.
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