Worst air pollution El Puerto de Santa María, today and tomorrow
Today (16 July): Air quality in El Puerto de Santa María is fair. PM2.5 and NO2 are fair; AQI and O3 are medium; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 44.2/100).
Tomorrow (17 July 2026): Air quality in El Puerto de Santa María is fair. AQI worsens to fair; NO2 decreases to good; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 36.8/100). 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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El Puerto de Santa María's air quality benefits from its exceptional Bay of Cádiz and Atlantic coastal position, with the Poniente and Levante winds providing powerful and consistent natural ventilation around the lower Guadalquivir estuary. Vehicle traffic on the A-4 and the surrounding sherry wine production and tourism operations are the primary local sources, while the outstanding Atlantic and strait exposure generally maintains excellent to good air quality conditions throughout most of the year.
Today - 16 July | Pollution peaks at 18:00
AQI:
Medium
44.2/100
PM2.5 (fine particles):
Fair
21.7/100
PM10 (coarse particles):
Good
11.1/100
NO2 (nitrogen dioxide):
Fair
29.8/100
O3 (ozone):
Medium
44.2/100
SO2 (sulfur dioxide):
Good
6.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.5/100
PM1 (ultrafine particles):
Good
15.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 17:00
AQI:
Fair
36.8/100
PM2.5 (fine particles):
Fair
20.4/100
PM10 (coarse particles):
Good
9.8/100
NO2 (nitrogen dioxide):
Good
17.3/100
O3 (ozone):
Fair
36.8/100
SO2 (sulfur dioxide):
Good
8.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
11.4/100
Pollen forecast in El Puerto de Santa María
View pollen forecastFrequently Asked Questions
Is air quality bad in El Puerto de Santa María right now?
On 16 July 2026, overall air quality in El Puerto de Santa María is fair. NO2 is the main pollutant at 29.8/100. Pollution peaks around 6:00 PM (O3: 44.2/100).
Will air quality be worse tomorrow in El Puerto de Santa María?
On 17 July 2026, air quality conditions in El Puerto de Santa María will be similar to today, with AQI forecast at fair at 36.8/100. Pollution peaks around 5:00 PM (O3: 36.8/100).
When is air pollution at its worst in El Puerto de Santa María?
Does air quality in El Puerto de Santa María vary by season? Winter mornings are frequently the year's most polluted, as fog and calm conditions trap traffic fumes and smoke from wood stoves close to the ground. Spring is typically when conditions begin improving, as increasing wind speeds help disperse traffic emissions before they can accumulate. The long, hot days of summer favour ozone build-up, which can spike on the stillest, sunniest afternoons. Conditions tend to stabilise in autumn, as cooling weather and increasing rain reduce the ozone spikes typical of summer. 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 El Puerto de Santa María 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