Worst air pollution Hilton Head Island, today and tomorrow

Today (16 July): Air quality in Hilton Head Island is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 27.5/100).
Tomorrow (17 July 2026): Air quality in Hilton Head Island is fair. All pollutants stay as today. Pollution peaks around 2:00 PM (O3: 28.6/100). Airmine updates local air quality forecasts four times daily.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Hilton Head Island's air quality is shaped largely by coastal Lowcountry humidity; sea breeze generally offsets the region's summer humidity and haze. These factors combine to give Hilton Head Island a fairly typical seasonal air quality pattern for this part of the country. Checking current readings is still the best way to plan outdoor activity around Hilton Head Island.

Today - 16 July | Pollution peaks at 12:00

AQI:

Fair

27.5/100

PM2.5 (fine particles):

Good

16.9/100

PM10 (coarse particles):

Fair

25.5/100

NO2 (nitrogen dioxide):

Good

2.0/100

O3 (ozone):

Fair

27.5/100

SO2 (sulfur dioxide):

Good

7.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

4.0/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 14:00

AQI:

Fair

28.6/100

PM2.5 (fine particles):

Good

15.4/100

PM10 (coarse particles):

Fair

22.8/100

NO2 (nitrogen dioxide):

Good

2.3/100

O3 (ozone):

Fair

28.6/100

SO2 (sulfur dioxide):

Good

2.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

4.2/100

Pollen forecast in Hilton Head Island

View pollen forecast

Sports venues in Hilton Head Island

Frequently Asked Questions

Is air quality bad in Hilton Head Island right now?

On 16 July 2026, overall air quality in Hilton Head Island is fair. AQI is the main air quality indicator at 27.5/100. Pollution peaks around 12:00 PM (O3: 27.5/100).

Will air quality be worse tomorrow in Hilton Head Island?

On 17 July 2026, air quality conditions in Hilton Head Island will be similar to today, with AQI forecast at fair at 28.6/100. Pollution peaks around 2:00 PM (O3: 28.6/100).

When is air pollution at its worst in Hilton Head Island?

Hilton Head Island experiences a distinct seasonal swing in air quality — the cleanest conditions usually arrive in winter, once the humid summer ozone season has ended, whereas hot, humid summer days bring the highest ozone risk, amplified by natural emissions from the dense surrounding forests. Prescribed burns are more common in the cooler months and can add brief smoke episodes.

Are air quality levels in Hilton Head Island based on measurements or forecasts?

It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.

Want to see air quality forecasts for other cities in United States?

Check air quality in other popular cities:

Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This forecast is produced independently using Airmine's own atmospheric data and models.

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

For long term forecasts and maps, see the Airmine app