Worst air pollution Sagunto, today and tomorrow

Today (16 July): Air quality in Sagunto is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 PM (O3: 37.2/100).
Tomorrow (17 July 2026): Air quality in Sagunto is fair. All pollutants stay as today. Pollution peaks around 7:00 PM (O3: 39.1/100). 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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Sagunto's air quality faces significant industrial challenges from the ArcelorMittal Sagunto steelworks and the surrounding Valencia port industrial complex, generating elevated PM10, SO₂, and heavy metals alongside vehicle traffic on the A-23. The Mediterranean sea breezes from the Gulf of Valencia provide coastal ventilation on easterly winds, while the Sagunto plain's flat geometry and the Calderona hills to the west create the primary topographic variation throughout the year.

Today - 16 July | Pollution peaks at 20:00

AQI:

Fair

37.2/100

PM2.5 (fine particles):

Good

13.1/100

PM10 (coarse particles):

Good

10.0/100

NO2 (nitrogen dioxide):

Good

3.5/100

O3 (ozone):

Fair

37.2/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.0/100

PM1 (ultrafine particles):

Good

8.5/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 19:00

AQI:

Fair

39.1/100

PM2.5 (fine particles):

Good

14.5/100

PM10 (coarse particles):

Good

9.4/100

NO2 (nitrogen dioxide):

Good

5.3/100

O3 (ozone):

Fair

39.1/100

SO2 (sulfur dioxide):

Good

0.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.1/100

PM1 (ultrafine particles):

Good

9.6/100

Pollen forecast in Sagunto

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Frequently Asked Questions

Is air quality bad in Sagunto right now?

On 16 July 2026, overall air quality in Sagunto is fair. AQI is the main air quality indicator at 37.2/100. Pollution peaks around 8:00 PM (O3: 37.2/100).

Will air quality be worse tomorrow in Sagunto?

On 17 July 2026, air quality conditions in Sagunto will be similar to today, with AQI forecast at fair at 39.1/100. Pollution peaks around 7:00 PM (O3: 39.1/100).

When is air pollution at its worst in Sagunto?

What time of year has the cleanest air in Sagunto? January is frequently the most difficult month, with cold stagnant air allowing wood-smoke and exhaust to build up instead of clearing. Air quality usually improves through spring, helped by more frequent frontal systems that bring rain and stronger winds to disperse local emissions. During summer, strong sunlight and high temperatures accelerate ozone formation, occasionally offsetting the drop in traffic and heating-related emissions. Conditions tend to stabilise in autumn, as cooling weather and increasing rain reduce the ozone spikes typical of summer. The Mediterranean coast's sea breezes generally help disperse pollution, though summer tourism traffic and occasional Saharan dust can still push levels up.

Are air quality levels in Sagunto 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