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)
41
Good
Port Royal, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.46 μg/m³
0
55
155
255
425
605+
43.70 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
3.20 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Port Royal, South Carolina
Port Royal, South Carolina
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AQI 52
Moderate
10.21μg/m³
PM2.5
24.96μg/m³
PM10
37.08ppb
O3
0.65ppb
SO2
3.44ppb
NO2
0.22ppm
CO
AQI 49
Good
8.81μg/m³
PM2.5
28.27μg/m³
PM10
40.49ppb
O3
0.86ppb
SO2
3.35ppb
NO2
0.24ppm
CO
AQI 54
Moderate
10.71μg/m³
PM2.5
28.04μg/m³
PM10
40.22ppb
O3
0.86ppb
SO2
3.33ppb
NO2
0.22ppm
CO
AQI 54
Moderate
10.61μg/m³
PM2.5
25.64μg/m³
PM10
38.87ppb
O3
0.82ppb
SO2
3.23ppb
NO2
0.22ppm
CO
AQI 56
Moderate
12.49μg/m³
PM2.5
32.28μg/m³
PM10
39.85ppb
O3
1.03ppb
SO2
3.18ppb
NO2
0.24ppm
CO
AQI 58
Moderate
12.67μg/m³
PM2.5
32.56μg/m³
PM10
40.44ppb
O3
0.86ppb
SO2
3.16ppb
NO2
0.23ppm
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 2026-10-22.
In the last 24 hours, the best air quality in Port Royal, South Carolina was observed at 02:00:00 on 2026-10-22.
As of now, the AQI in Port Royal, South Carolina is 41, indicating Good conditions.
Port Royal, South Carolina air has the highest levels of O3.
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 7.104 μg/m3.
The PM10 concentration in Port Royal, South Carolina is 22.461 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Port Royal, South Carolina is 0.222 ppm.
Currently, Port Royal, South Carolina has a sulfur dioxide (SO2) concentration of 0.675 ppb.
The current ozone (O3) level in Port Royal, South Carolina at the moment is 43.696 ppm.
Nitrogen dioxide (NO2) level in Port Royal, South Carolina at the moment is 3.202 ppb.
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