Worst air pollution Estela Golf Club – Championship Course - Porto, today and tomorrow
Today (21 July): Air quality in Estela Golf Club – Championship Course is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 43.5/100).
Tomorrow (22 July 2026): Air quality in Estela Golf Club – Championship Course is medium. All pollutants stay as today. Pollution peaks around 5:00 PM (O3: 40.9/100). 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
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Estela Golf Club air quality benefits from its exceptional Portuguese Atlantic coast position north of Porto at Esposende, with consistent and powerful Atlantic westerlies providing outstanding maritime ventilation along this exposed links-influenced course. Vehicle traffic contributes very modest local sources, while the extraordinary Atlantic coastal exposure and the open ocean setting generally maintain excellent to good conditions throughout most of the year.
Today - 21 July | Pollution peaks at 15:00
AQI:
Medium
43.5/100
PM2.5 (fine particles):
Good
11.0/100
PM10 (coarse particles):
Good
6.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
43.5/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Good
9.1/100
Levels show the poorest local air quality during the day
Tomorrow - 22 July | Pollution peaks at 17:00
AQI:
Medium
40.9/100
PM2.5 (fine particles):
Good
11.6/100
PM10 (coarse particles):
Good
8.4/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
40.9/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.2/100
PM1 (ultrafine particles):
Good
8.4/100
Sports venues in Porto
Frequently Asked Questions
Is air quality bad in Estela Golf Club – Championship Course right now?
On 21 July 2026, overall air quality in Estela Golf Club – Championship Course is medium. AQI is the main air quality indicator at 43.5/100. Pollution peaks around 3:00 PM (O3: 43.5/100).
Will air quality be worse tomorrow in Estela Golf Club – Championship Course?
On 22 July 2026, air quality conditions in Estela Golf Club – Championship Course will be similar to today, with AQI forecast at medium at 40.9/100. Pollution peaks around 5:00 PM (O3: 40.9/100).
When is air pollution at its worst in Estela Golf Club – Championship Course?
Golfers at Estela Golf Club – Championship Course are most likely to notice reduced air quality when pollen from pine, oak, and eucalyptus peaks, or on hot, still days when local emissions build up; regional road traffic is a modest local source. Northern Portugal's wetter Atlantic climate extends the season slightly compared to the drier Algarve. The Atlantic coastal breeze generally keeps conditions comfortable throughout the season.
Are air quality levels in Estela Golf Club – Championship Course 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.
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Data provided by Airmine — Last update: 21 July 2026 at 16:20 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