Worst air pollution Alcalá de Guadaira, today and tomorrow
Today (16 July): Air quality in Alcalá de Guadaira is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 44.7/100).
Tomorrow (17 July 2026): Air quality in Alcalá de Guadaira is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 7:00 PM (O3: 38.5/100). 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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Alcalá de Guadaíra's air quality reflects the greater Seville metropolitan southern industrial corridor, with vehicle traffic on the A-92 and surrounding food processing, logistics, and light manufacturing contributing elevated NOₓ. The Guadalquivir valley's channelling of Atlantic westerlies provides ventilation, while summer heat drives ozone formation and calm anticyclonic conditions can concentrate vehicle and industrial emissions across the enclosed Guadalquivir basin's southern metropolitan ring.
Today - 16 July | Pollution peaks at 18:00
AQI:
Medium
44.7/100
PM2.5 (fine particles):
Good
18.3/100
PM10 (coarse particles):
Good
9.1/100
NO2 (nitrogen dioxide):
Good
9.9/100
O3 (ozone):
Medium
44.7/100
SO2 (sulfur dioxide):
Good
1.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
11.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 19:00
AQI:
Fair
38.5/100
PM2.5 (fine particles):
Good
16.9/100
PM10 (coarse particles):
Good
7.0/100
NO2 (nitrogen dioxide):
Good
6.7/100
O3 (ozone):
Fair
38.5/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
9.5/100
Pollen forecast in Alcalá de Guadaira
View pollen forecastFrequently Asked Questions
Is air quality bad in Alcalá de Guadaira right now?
On 16 July 2026, overall air quality in Alcalá de Guadaira is medium. AQI is the main air quality indicator at 44.7/100. Pollution peaks around 6:00 PM (O3: 44.7/100).
Will air quality be worse tomorrow in Alcalá de Guadaira?
On 17 July 2026, air quality conditions in Alcalá de Guadaira will be worse than today, with AQI forecast at fair at 38.5/100. Pollution peaks around 7:00 PM (O3: 38.5/100).
When is air pollution at its worst in Alcalá de Guadaira?
Does air quality in Alcalá de Guadaira vary by season? Winter tends to bring the year's weakest readings, as stagnant, cold air lets heating smoke and vehicle emissions build up rather than clear away. Conditions generally start to recover in spring, as increasing wind and rainfall break up the stagnant air masses typical of winter. The heat of summer drives up ozone formation, and dry conditions occasionally bring smoke from regional wildfires into the mix. As autumn progresses, cooler temperatures and more frequent rain tend to bring air quality back toward its yearly average. The south's long, hot summers and occasional calima dust events from across the Strait tend to intensify the usual seasonal swings.
Are air quality levels in Alcalá de Guadaira 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