Worst air pollution Catedral de Toledo - Toledo, today and tomorrow
Today (20 September): Air quality in Catedral de Toledo is fair. AQI, PM2.5, NO2, O3, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 9:00 PM (PM1: 34.6/100).
Tomorrow (21 September 2026): Air quality in Catedral de Toledo is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (O3: 32.5/100). 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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Catedral de Toledo's air quality is shaped mostly by harvest dust and local traffic. Air quality dips during the summer harvest, when dust and smoke both rise. Strong summer wind usually keeps the air moving despite the dust from farmland.
Today - 20 September | Pollution peaks at 21:00
AQI:
Fair
34.6/100
PM2.5 (fine particles):
Fair
32.9/100
PM10 (coarse particles):
Good
15.7/100
NO2 (nitrogen dioxide):
Fair
26.0/100
O3 (ozone):
Fair
25.8/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Fair
34.6/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 18:00
AQI:
Fair
32.5/100
PM2.5 (fine particles):
Fair
21.4/100
PM10 (coarse particles):
Good
11.8/100
NO2 (nitrogen dioxide):
Fair
27.5/100
O3 (ozone):
Fair
32.5/100
SO2 (sulfur dioxide):
Good
2.1/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Fair
24.1/100
Other Landmarks in Toledo
Frequently Asked Questions
Is air quality bad in Catedral de Toledo right now?
On 20 September 2026, overall air quality in Catedral de Toledo is fair. AQI is the main air quality indicator at 34.6/100. Pollution peaks around 9:00 PM (PM1: 34.6/100).
Will air quality be worse tomorrow in Catedral de Toledo?
On 21 September 2026, air quality conditions in Catedral de Toledo will be similar to today, with AQI forecast at fair at 32.5/100. Pollution peaks around 6:00 PM (O3: 32.5/100).
When is air pollution at its worst in Catedral de Toledo?
What time of year has the cleanest air in Catedral de Toledo? Winter is generally the most challenging season, since low wind speeds and temperature inversions prevent traffic and wood-smoke pollution from dispersing. By spring, air quality usually starts trending upward as the calm winter inversions give way to more unsettled, breezier weather. Summer readings are shaped mainly by ozone, which builds under strong sun and heat, sometimes worsened by drifting wildfire smoke. Autumn usually sees a steady return to cleaner conditions as the ozone-favouring heat of summer fades and rainfall picks up. 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 Catedral de Toledo 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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