Air Quality in Hilton Head Island, United States
Drizzle
26.6°C · 75.4% humidity
26.6°
Feels 26.6°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Hilton Head Island's air quality — share it
AQI Forecast
54
4pm
54
54
57
7pm
54
54
54
10pm
54
54
54
1am
54
34
34
4am
34
27
27
7am
27
34
34
10am
34
54
54
1pm
54
54
Air Quality Index Trend
30h · 1 stnHilton Head Island's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
75.4%
Humidity
64.1 km/h
Wind E
1011.1 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.0 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Hilton Head Island?
Temperature & Precipitation
PM2.5 Trend
30h · 1 stationPM2.515.0 µg/m³
✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Hilton Head Island?
07-21
28.4° 23.2°
26.31 mm
07-22
32.2° 23.9°
4.94 mm
07-23
27.6° 22.4°
45.19 mm
07-24
34.5° 23.4°
5.0 mm
07-25
33.4° 25.6°
0.75 mm
07-26
34.1° 26.6°
2.31 mm
07-27
29.8° 25.1°
5.88 mm
Both models agree
Avg diff: 2.5°C
What cities are near Hilton Head Island?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T23:18 UTC.