Worst air pollution Zamora, today and tomorrow
Today (20 September): Air quality in Zamora is very poor. AQI and PM10 are very poor; PM2.5 is poor; PM1 is fair; NO2, O3, SO2, CO, and HCHO are good. Pollution peaks around 5:00 AM (PM10: 100/100).
Tomorrow (21 September 2026): Air quality in Zamora is very poor. All pollutants stay as today. Pollution peaks around 6:00 AM (PM10: 100/100). 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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Zamora's air quality reflects the Michoacán central plateau's Duero River valley at 1,573 metres, with vehicle traffic on surrounding roads and the strawberry farming, food processing, and services corridor contributing local sources. The valley's partial mountain enclosure creates modest inversions, while the elevated plateau position aids dispersal on most days and Zamora generally maintains moderate Mexican western Michoacán highland valley readings throughout most of the year.
Today - 20 September | Pollution peaks at 05:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
69.3/100
PM10 (coarse particles):
Very poor
100/100
NO2 (nitrogen dioxide):
Good
0.8/100
O3 (ozone):
Good
17.3/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Fair
25.6/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 06:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
71.6/100
PM10 (coarse particles):
Very poor
100/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Good
16.3/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Fair
24.2/100
Frequently Asked Questions
Is air quality bad in Zamora right now?
On 20 September 2026, overall air quality in Zamora is very poor. AQI is the main air quality indicator at 100/100. Pollution peaks around 5:00 AM (PM10: 100/100).
Will air quality be worse tomorrow in Zamora?
On 21 September 2026, air quality conditions in Zamora will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 6:00 AM (PM10: 100/100).
When is air pollution at its worst in Zamora?
Air quality in Zamora tends to be worse when traffic on the surrounding roads, light manufacturing, along with farming and agricultural processing build up and temperature inversions set in over the valley. The bowl-like terrain here limits how quickly pollutants can escape. This is most pronounced in winter, when inversions are more frequent.
Are air quality levels in Zamora 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: 21 September 2026 at 03:04 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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