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)
33
Good
Port Royal, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.32 μg/m³
0
55
155
255
425
605+
21.45 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
11.96 ppb
0
54
101
361
1250
2050+
0.34 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 22
Good
3.85μg/m³
PM2.5
11.67μg/m³
PM10
23.85ppb
O3
0.68ppb
SO2
9.70ppb
NO2
0.18ppm
CO
AQI 22
Good
4.49μg/m³
PM2.5
23.37μg/m³
PM10
24.43ppb
O3
0.76ppb
SO2
9.41ppb
NO2
0.21ppm
CO
AQI 23
Good
4.34μg/m³
PM2.5
20.23μg/m³
PM10
25.26ppb
O3
0.77ppb
SO2
9.30ppb
NO2
0.19ppm
CO
AQI 27
Good
4.73μg/m³
PM2.5
23.80μg/m³
PM10
25.18ppb
O3
0.80ppb
SO2
8.62ppb
NO2
0.18ppm
CO
AQI 24
Good
4.25μg/m³
PM2.5
16.33μg/m³
PM10
25.87ppb
O3
0.96ppb
SO2
8.94ppb
NO2
0.22ppm
CO
AQI 23
Good
3.99μg/m³
PM2.5
14.47μg/m³
PM10
25.13ppb
O3
0.97ppb
SO2
8.87ppb
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 2026-06-08.
In the last 24 hours, the best air quality in Port Royal, South Carolina was observed at 09:00:00 on 2026-06-08.
As of now, the AQI in Port Royal, South Carolina is 22, 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 3.871 μg/m3.
The PM10 concentration in Port Royal, South Carolina is 17.62 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Port Royal, South Carolina is 0.201 ppm.
Currently, Port Royal, South Carolina has a sulfur dioxide (SO2) concentration of 0.595 ppb.
The current ozone (O3) level in Port Royal, South Carolina at the moment is 19.489 ppm.
Nitrogen dioxide (NO2) level in Port Royal, South Carolina at the moment is 10.883 ppb.
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