Worst air pollution Cuenca, today and tomorrow
Today (20 September): Air quality in Cuenca is moderate. AQI and NO2 are moderate; PM2.5 is fair; PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (NO2: 45.8/100).
Tomorrow (21 September 2026): Air quality in Cuenca is moderate. O3 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (NO2: 47.4/100). Airmine updates local air quality forecasts four times daily.
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Cuenca's air quality in Spain benefits from its dramatic elevated position at 923 metres in the Júcar and Huécar river canyon junction in the Castilian-Manchegan highlands, with the surrounding gorge topography creating complex wind patterns. Vehicle traffic on the A-40 and tourism operations are the primary local sources, while the elevated Castilian Meseta and the gorge's unique ventilation dynamics generally maintain Cuenca among Spain's cleaner mid-sized inland urban environments throughout most of the year.
Today - 20 September | Pollution peaks at 13:00
AQI:
Moderate
45.8/100
PM2.5 (fine particles):
Fair
33.1/100
PM10 (coarse particles):
Good
15.7/100
NO2 (nitrogen dioxide):
Moderate
45.8/100
O3 (ozone):
Good
19.0/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Good
17.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 14:00
AQI:
Moderate
47.4/100
PM2.5 (fine particles):
Fair
21.6/100
PM10 (coarse particles):
Good
11.8/100
NO2 (nitrogen dioxide):
Moderate
47.4/100
O3 (ozone):
Fair
23.8/100
SO2 (sulfur dioxide):
Good
2.1/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
11.3/100
Pollen forecast in Cuenca
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Cuenca
Frequently Asked Questions
Is air quality bad in Cuenca right now?
On 20 September 2026, overall air quality in Cuenca is moderate. AQI is the main air quality indicator at 45.8/100. Pollution peaks around 1:00 PM (NO2: 45.8/100).
Will air quality be worse tomorrow in Cuenca?
On 21 September 2026, air quality conditions in Cuenca will be similar to today, with AQI forecast at moderate at 47.4/100. Pollution peaks around 2:00 PM (NO2: 47.4/100).
When is air pollution at its worst in Cuenca?
How does air quality change throughout the year in Cuenca? Cold, windless spells in December and January are usually when conditions dip most, as heating emissions and traffic fumes accumulate under a stable atmosphere. March through May tends to see steady improvement, with more unsettled weather patterns helping disperse traffic and heating pollution. During summer, strong sunlight and high temperatures accelerate ozone formation, occasionally offsetting the drop in traffic and heating-related emissions. Autumn typically starts mild and can still see occasional ozone or dust episodes before rain and cooler temperatures gradually restore cleaner conditions. The interior's dry continental climate means winter inversions and summer heat both tend to hit harder than along the coast.
Are air quality levels in Cuenca 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: 20 September 2026 at 14:33 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.
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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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