Worst air pollution Valdemoro, today and tomorrow
Today (9 August): Air quality in Valdemoro is fair. O3 and PM1 are fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 7:00 AM (NO2: 42.0/100).
Tomorrow (10 August 2026): Air quality in Valdemoro is fair. All pollutants stay as today. Pollution peaks around 5:00 AM (NO2: 44.3/100). 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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Valdemoro's air quality reflects the southeastern Madrid metropolitan industrial corridor, with the Amazon logistics hub and the surrounding industrial and logistics zone generating concentrated vehicle and freight emissions alongside vehicle traffic on the A-4 motorway. The Madrid basin's winter temperature inversion affects the entire southern ring, while the Jarama river valley provides some limited ventilation relief on northerly wind days throughout the year.
Today - 9 August | Pollution peaks at 07:00
AQI:
Medium
42.0/100
PM2.5 (fine particles):
Good
19.0/100
PM10 (coarse particles):
Good
6.4/100
NO2 (nitrogen dioxide):
Medium
42.0/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
9.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Fair
22.2/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 05:00
AQI:
Medium
44.3/100
PM2.5 (fine particles):
Good
17.8/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Medium
44.3/100
O3 (ozone):
Fair
33.5/100
SO2 (sulfur dioxide):
Good
8.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.9/100
PM1 (ultrafine particles):
Fair
20.3/100
Pollen forecast in Valdemoro
View pollen forecastFrequently Asked Questions
Is air quality bad in Valdemoro right now?
On 9 August 2026, overall air quality in Valdemoro is fair. O3 is the main pollutant at 32.4/100. Pollution peaks around 7:00 AM (NO2: 42.0/100).
Will air quality be worse tomorrow in Valdemoro?
On 10 August 2026, air quality conditions in Valdemoro will be similar to today, with O3 forecast at fair at 33.5/100. Pollution peaks around 5:00 AM (NO2: 44.3/100).
When is air pollution at its worst in Valdemoro?
Does air quality in Valdemoro vary by season? December through February is often the toughest stretch, driven by temperature inversions that keep exhaust and heating smoke from dispersing on still days. March through May tends to see steady improvement, with more unsettled weather patterns helping disperse traffic and heating pollution. The heat of summer drives up ozone formation, and dry conditions occasionally bring smoke from regional wildfires into the mix. Autumn generally marks the shift back toward calmer, cleaner conditions as temperatures drop and rainfall becomes more regular. The continental interior's hot, dry summers and cold, still winters make it prone to sharper seasonal swings than coastal Spain.
Are air quality levels in Valdemoro 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: 9 August 2026 at 20:27 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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