Stay updated with real-time air quality in Hilton Head Island, 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
Hilton Head Island, South Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.66 μg/m³
0
55
155
255
425
605+
41.44 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
8.11 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hilton Head Island, South Carolina
Hilton Head Island, South Carolina
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AQI 36
Good
6.22μg/m³
PM2.5
18.93μg/m³
PM10
39.33ppb
O3
0.53ppb
SO2
7.97ppb
NO2
0.20ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
24.12μg/m³
PM10
38.28ppb
O3
0.50ppb
SO2
7.97ppb
NO2
0.20ppm
CO
AQI 38
Good
7.08μg/m³
PM2.5
24.71μg/m³
PM10
38.48ppb
O3
0.49ppb
SO2
8.01ppb
NO2
0.20ppm
CO
AQI 33
Good
5.94μg/m³
PM2.5
18.25μg/m³
PM10
34.88ppb
O3
0.52ppb
SO2
5.74ppb
NO2
0.20ppm
CO
AQI 33
Good
5.98μg/m³
PM2.5
23.77μg/m³
PM10
30.52ppb
O3
0.53ppb
SO2
7.84ppb
NO2
0.19ppm
CO
AQI 33
Good
5.85μg/m³
PM2.5
17.48μg/m³
PM10
34.62ppb
O3
0.52ppb
SO2
5.75ppb
NO2
0.20ppm
CO
Air quality measurements for South Carolina, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Hilton Head Island, South Carolina is updated on an hourly basis.
The worst air quality in Hilton Head Island, South Carolina was recorded at 03:00:00 on 2025-10-21.
The best air quality in Hilton Head Island, South Carolina was recorded at 02:00:00 on 2025-10-21.
The real-time air quality index in Hilton Head Island, South Carolina is 38, currently categorized as Good.
The most common pollutant in Hilton Head Island, South Carolina is O3.
If the air quality in Hilton Head Island, South Carolina is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Hilton Head Island, South Carolina at present are 6.609 μg/m3.
The current PM10 levels in Hilton Head Island, South Carolina are 30.657 μg/m3.
The current carbon monoxide (CO) level in Hilton Head Island, South Carolina is 0.207 ppm.
The current sulfur dioxide (SO2) levels in Hilton Head Island, South Carolina are 0.529 ppb.
The current ozone (O3) levels at Hilton Head Island, South Carolina is 41.444 ppm.
The current nitrogen dioxide (NO2) levels at Hilton Head Island, South Carolina is 8.109 ppb.
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