Worst air pollution La Línea de la Concepción, today and tomorrow

Today (16 July): Air quality in La Línea de la Concepción is fair. PM2.5, NO2, and PM1 are fair; AQI and O3 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 3:00 PM (O3: 54.3/100).
Tomorrow (17 July 2026): Air quality in La Línea de la Concepción is fair. All pollutants stay as today. Pollution peaks around 4:00 PM (O3: 59.2/100). 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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La Línea de la Concepción's air quality reflects its exceptional Gibraltar Strait position adjacent to the Rock of Gibraltar, with the combined vehicle and industrial emissions from the UK Overseas Territory's port and airport alongside La Línea's own traffic on the A-383 concentrated in the narrow isthmus. The powerful Levante and Poniente strait winds provide excellent natural ventilation on most days, while the cross-border Gibraltar emissions represent the most distinctive local air quality influence.

Today - 16 July | Pollution peaks at 15:00

AQI:

Medium

54.3/100

PM2.5 (fine particles):

Fair

23.0/100

PM10 (coarse particles):

Good

11.3/100

NO2 (nitrogen dioxide):

Fair

27.6/100

O3 (ozone):

Medium

54.3/100

SO2 (sulfur dioxide):

Good

7.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.8/100

PM1 (ultrafine particles):

Fair

22.0/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 16:00

AQI:

Medium

59.2/100

PM2.5 (fine particles):

Fair

21.2/100

PM10 (coarse particles):

Good

8.1/100

NO2 (nitrogen dioxide):

Fair

37.7/100

O3 (ozone):

Medium

59.2/100

SO2 (sulfur dioxide):

Good

7.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.7/100

PM1 (ultrafine particles):

Fair

21.2/100

Pollen forecast in La Línea de la Concepción

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Frequently Asked Questions

Is air quality bad in La Línea de la Concepción right now?

On 16 July 2026, overall air quality in La Línea de la Concepción is fair. NO2 is the main pollutant at 27.6/100. Pollution peaks around 3:00 PM (O3: 54.3/100).

Will air quality be worse tomorrow in La Línea de la Concepción?

On 17 July 2026, air quality conditions in La Línea de la Concepción will be similar to today, with NO2 forecast at fair at 37.7/100. Pollution peaks around 4:00 PM (O3: 59.2/100).

When is air pollution at its worst in La Línea de la Concepción?

How does air quality change throughout the year in La Línea de la Concepción? The coldest months usually see the year's poorest conditions, since calm anticyclonic weather holds local traffic and wood-burning pollution near street level. Conditions generally start to recover in spring, as increasing wind and rainfall break up the stagnant air masses typical of winter. Summer can bring periodic wildfire smoke on top of the usual ozone build-up from intense heat and sunshine. Conditions generally improve through autumn as cooling temperatures reduce ozone formation and returning rains help disperse remaining pollutants. Southern Spain's high summer temperatures, combined with periodic dust blown in from North Africa, tend to sharpen the seasonal contrasts here.

Are air quality levels in La Línea de la Concepción 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