Worst air pollution La Línea de la Concepción, today and tomorrow
Today (9 August): Air quality in La Línea de la Concepción is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 AM (O3: 43.0/100).
Tomorrow (10 August 2026): Air quality in La Línea de la Concepción is fair. AQI worsens to fair; PM2.5 increases to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 36.4/100). Airmine updates local air quality forecasts four times daily.
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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 - 9 August | Pollution peaks at 02:00
AQI:
Medium
43.0/100
PM2.5 (fine particles):
Good
19.9/100
PM10 (coarse particles):
Good
7.2/100
NO2 (nitrogen dioxide):
Good
17.8/100
O3 (ozone):
Medium
43.0/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.3/100
PM1 (ultrafine particles):
Good
19.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 17:00
AQI:
Fair
36.4/100
PM2.5 (fine particles):
Fair
20.2/100
PM10 (coarse particles):
Good
7.4/100
NO2 (nitrogen dioxide):
Good
12.9/100
O3 (ozone):
Fair
36.4/100
SO2 (sulfur dioxide):
Good
5.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
16.3/100
Pollen forecast in La Línea de la Concepción
View pollen forecastFrequently Asked Questions
Is air quality bad in La Línea de la Concepción right now?
On 9 August 2026, overall air quality in La Línea de la Concepción is medium. AQI is the main air quality indicator at 43.0/100. Pollution peaks around 2:00 AM (O3: 43.0/100).
Will air quality be worse tomorrow in La Línea de la Concepción?
On 10 August 2026, air quality conditions in La Línea de la Concepción will be worse than today, with AQI forecast at fair at 36.4/100. Pollution peaks around 5:00 PM (O3: 36.4/100).
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.
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: 10 August 2026 at 02:34 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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