Worst air pollution Nantucket Historic District - Nantucket, today and tomorrow
Today (9 August): Air quality in Nantucket Historic District is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 35.1/100).
Tomorrow (10 August 2026): Air quality in Nantucket Historic District is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 32.4/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Nantucket's Historic District air quality benefits from the exceptional Atlantic Ocean shoal island position 48 kilometres offshore Massachusetts, with consistent and powerful Atlantic sea breezes providing among New England's most outstanding maritime ventilation. Vehicle traffic on the cobblestone streets contributes modest seasonal sources, while the extraordinary open-ocean island exposure on all sides and the consistent maritime exposure generally maintain Nantucket among New England's cleanest inhabited island environments throughout most of the year.
Today - 9 August | Pollution peaks at 11:00
AQI:
Fair
35.1/100
PM2.5 (fine particles):
Good
6.9/100
PM10 (coarse particles):
Good
2.1/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
35.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.2/100
PM1 (ultrafine particles):
Good
7.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 12:00
AQI:
Fair
32.4/100
PM2.5 (fine particles):
Good
7.2/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
8.0/100
Other Landmarks in Nantucket
Frequently Asked Questions
Is air quality bad in Nantucket Historic District right now?
On 9 August 2026, overall air quality in Nantucket Historic District is fair. AQI is the main air quality indicator at 35.1/100. Pollution peaks around 11:00 AM (O3: 35.1/100).
Will air quality be worse tomorrow in Nantucket Historic District?
On 10 August 2026, air quality conditions in Nantucket Historic District will be similar to today, with AQI forecast at fair at 32.4/100. Pollution peaks around 12:00 PM (O3: 32.4/100).
When is air pollution at its worst in Nantucket Historic District?
Air quality at Nantucket Historic District shifts across the year: the shoulder seasons bring the most consistently clean air of the year, but hot, humid summer days bring the highest ozone risk, often worsened by pollution transported in from other regions. Winter cold fronts tend to clear the air quickly, so extended pollution episodes are relatively uncommon.
Are air quality levels in Nantucket Historic District 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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: 10 August 2026 at 02:34 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Get the full experience in the Airmine app.