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

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
AD 728×90

Air Quality Index Trend

30h · 1 stn

Hilton 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
PM2.5
57
15.0 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

30h · 1 station
PM2.515.0 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
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
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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.