Worst air pollution Setúbal, today and tomorrow
Today (16 July): Air quality in Setúbal is fair. AQI, PM2.5, NO2, and O3 are fair; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 PM (O3: 32.8/100).
Tomorrow (17 July 2026): Air quality in Setúbal is fair. All pollutants stay as today. Pollution peaks around 6:00 AM (NO2: 34.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Setúbal owes much of its air quality variation to port and vehicle traffic around the Sado estuary industrial belt, compounded by its position on the Sado river estuary south of Lisbon. The surrounding Setúbal terrain can either help disperse or trap these emissions depending on the weather, with active, breezy conditions generally bringing the clearest air.
Today - 16 July | Pollution peaks at 20:00
AQI:
Fair
32.8/100
PM2.5 (fine particles):
Fair
21.6/100
PM10 (coarse particles):
Good
11.9/100
NO2 (nitrogen dioxide):
Fair
26.3/100
O3 (ozone):
Fair
32.8/100
SO2 (sulfur dioxide):
Good
5.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.8/100
PM1 (ultrafine particles):
Good
15.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 06:00
AQI:
Fair
34.6/100
PM2.5 (fine particles):
Fair
22.5/100
PM10 (coarse particles):
Good
12.8/100
NO2 (nitrogen dioxide):
Fair
34.6/100
O3 (ozone):
Fair
34.6/100
SO2 (sulfur dioxide):
Good
4.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
15.5/100
Pollen forecast in Setúbal
View pollen forecastFrequently Asked Questions
Is air quality bad in Setúbal right now?
On 16 July 2026, overall air quality in Setúbal is fair. AQI is the main air quality indicator at 32.8/100. Pollution peaks around 8:00 PM (O3: 32.8/100).
Will air quality be worse tomorrow in Setúbal?
On 17 July 2026, air quality conditions in Setúbal will be similar to today, with AQI forecast at fair at 34.6/100. Pollution peaks around 6:00 AM (NO2: 34.6/100).
When is air pollution at its worst in Setúbal?
The clearest dips in Setúbal's air quality track plane and olive pollen peaks and periods of port and vehicle traffic around the Sado estuary industrial belt; the rest of the year typically brings clearer, more consistent conditions for the Setúbal area, particularly once autumn winds set in and the local terrain ventilates more easily than during calmer stretches.
Are air quality levels in Setúbal 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.
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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