Worst air pollution Tossa de Mar, today and tomorrow

Today (16 July): Air quality in Tossa de Mar is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 36.1/100).
Tomorrow (17 July 2026): Air quality in Tossa de Mar is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 42.0/100). 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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In Tossa de Mar, boat and marina fumes in high season and tourist-season road congestion drive most of the variation in air quality. Background pollution is usually modest for a town of this size. Onshore wind keeps pollutants from building up along the coast.

Today - 16 July | Pollution peaks at 15:00

AQI:

Fair

36.1/100

PM2.5 (fine particles):

Good

14.8/100

PM10 (coarse particles):

Good

8.4/100

NO2 (nitrogen dioxide):

Good

15.0/100

O3 (ozone):

Fair

36.1/100

SO2 (sulfur dioxide):

Good

2.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.1/100

PM1 (ultrafine particles):

Good

11.5/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 15:00

AQI:

Medium

42.0/100

PM2.5 (fine particles):

Good

16.2/100

PM10 (coarse particles):

Good

8.7/100

NO2 (nitrogen dioxide):

Good

19.4/100

O3 (ozone):

Medium

42.0/100

SO2 (sulfur dioxide):

Good

1.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.2/100

PM1 (ultrafine particles):

Good

14.7/100

Pollen forecast in Tossa de Mar

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Frequently Asked Questions

Is air quality bad in Tossa de Mar right now?

On 16 July 2026, overall air quality in Tossa de Mar is fair. AQI is the main air quality indicator at 36.1/100. Pollution peaks around 3:00 PM (O3: 36.1/100).

Will air quality be worse tomorrow in Tossa de Mar?

On 17 July 2026, air quality conditions in Tossa de Mar will be better than today, with AQI forecast at medium at 42.0/100. Pollution peaks around 3:00 PM (O3: 42.0/100).

When is air pollution at its worst in Tossa de Mar?

When is air quality typically worst in Tossa de Mar? The coldest months usually see the year's poorest conditions, since calm anticyclonic weather holds local traffic and wood-burning pollution near street level. Spring usually brings an improvement as more frequent rain and stronger winds help clear the air and wash out pollutants that built up over winter. Summer's combination of intense sun and high temperatures makes ozone the main concern, occasionally compounded by wildfire smoke during dry, windy spells. As autumn progresses, cooler temperatures and more frequent rain tend to bring air quality back toward its yearly average. Being on the Mediterranean coast helps with dispersal most of the year, though summer tourism and North African dust episodes remain a factor.

Are air quality levels in Tossa de Mar 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 Spain?

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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