Town of East Hampton Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (10 October): Air quality in Town of East Hampton is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 18.2/100).
Air Quality Tomorrow
Tomorrow (11 October 2026): Air quality in Town of East Hampton is good. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 16.7/100).
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Air Quality
Today - 10 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Good | 18.2/100 |
| PM2.5 (fine particles) | Good | 7.0/100 |
| PM10 (coarse particles) | Good | 9.3/100 |
| NO2 (nitrogen dioxide) | Good | 8.5/100 |
| O3 (ozone) | Good | 18.2/100 |
| SO2 (sulfur dioxide) | Good | 0.6/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 2.9/100 |
| PM1 (ultrafine particles) | Good | 4.2/100 |
Tomorrow - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Good | 16.7/100 |
| PM2.5 (fine particles) | Good | 6.1/100 |
| PM10 (coarse particles) | Good | 7.2/100 |
| NO2 (nitrogen dioxide) | Good | 10.7/100 |
| O3 (ozone) | Good | 16.7/100 |
| SO2 (sulfur dioxide) | Good | 0.6/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 3.3/100 |
| PM1 (ultrafine particles) | Good | 4.2/100 |
Local Environmental Conditions
The heart of Town of East Hampton lies in a lightly developed area, where local traffic adds relatively little to air pollution. Open water nearby lets breezes move freely across the area, helping to disperse pollutants. Pollution carried in from the wider region can also raise levels at times. Exhaust from nearby roads is usually highest close to busy streets and junctions.
Particle levels tend to be highest from December to March, when wood burning and traffic add more emissions and cold, calm spells at around 3°C slow their dispersal. By contrast, summer sun from July to September cooks traffic fumes into ozone, especially in the warmest month, which averages 23°C. Breezy weather in January, with winds near 25 km/h, tends to sweep pollution away.
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Frequently Asked Questions About Air Quality in New York
Is air quality bad in Town of East Hampton right now?
On 10 October 2026, overall air quality in Town of East Hampton is good. AQI is the main air quality indicator at 18.2/100. Pollution peaks around 10:00 AM (O3: 18.2/100).
Will air quality be worse tomorrow in Town of East Hampton?
On 11 October 2026, air quality conditions in Town of East Hampton will be similar to today, with AQI forecast at good at 16.7/100. Pollution peaks around 12:00 PM (O3: 16.7/100).
When is air pollution at its worst in Town of East Hampton?
Particle levels tend to be highest from December to March, when wood burning and traffic add more emissions and cold, calm spells at around 3°C slow their dispersal. By contrast, summer sun from July to September cooks traffic fumes into ozone, especially in the warmest month, which averages 23°C. Breezy weather in January, with winds near 25 km/h, tends to sweep pollution away.
Are air quality levels in Town of East Hampton 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.
Understanding the Scale
The 0–100 air quality scores represent risk levels, not direct air pollutant concentrations. Higher scores indicate higher risk.
Air Quality
| Good | 0-20 | Low air quality risk. Air quality is expected to be good, with low levels of pollution. |
| Fair | 20-40 | Generally low air quality risk. Air quality is expected to be acceptable, with some pollution present. |
| Moderate | 40-60 | Moderate air quality risk. Air pollution is elevated and air quality may be less favorable. |
| Poor | 60-80 | High air quality risk. Air pollution is high and air quality is expected to be poor. |
| Very Poor | 80-100 | Very high air quality risk. Air pollution is very high and air quality is expected to be very poor. |