Worst air pollution Metz, today and tomorrow
Today (9 August): Air quality in Metz is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 51.4/100).
Tomorrow (10 August 2026): Air quality in Metz is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (O3: 32.4/100). 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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Metz' air quality reflects the Moselle river valley at the Franco-German-Luxembourg border, with vehicle traffic on the A31 and surrounding logistics corridor contributing local sources. The Moselle valley provides ventilation on westerly winds, while cross-border emissions from Luxembourg and the Saarland industrial corridors elevate background levels above typical French regional city averages.
Today - 9 August | Pollution peaks at 12:00
AQI:
Medium
51.4/100
PM2.5 (fine particles):
Good
13.7/100
PM10 (coarse particles):
Good
6.1/100
NO2 (nitrogen dioxide):
Fair
33.7/100
O3 (ozone):
Medium
51.4/100
SO2 (sulfur dioxide):
Good
3.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
14.6/100
PM1 (ultrafine particles):
Good
19.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 20:00
AQI:
Fair
32.4/100
PM2.5 (fine particles):
Good
10.7/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Fair
26.6/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.9/100
PM1 (ultrafine particles):
Good
11.1/100
Pollen forecast in Metz
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Frequently Asked Questions
Is air quality bad in Metz right now?
On 9 August 2026, overall air quality in Metz is fair. NO2 is the main pollutant at 33.7/100. Pollution peaks around 12:00 PM (O3: 51.4/100).
Will air quality be worse tomorrow in Metz?
On 10 August 2026, air quality conditions in Metz will be similar to today, with AQI forecast at fair at 32.4/100. Pollution peaks around 8:00 PM (O3: 32.4/100).
When is air pollution at its worst in Metz?
In Metz, allergy sufferers and those sensitive to pollution both notice more symptoms when cross-border industry and river traffic coincides with heavy oak and hornbeam pollen; the Vosges and river valleys shape local wind patterns, keeping bad spells relatively short. Nearby Alsace-Lorraine cereal and vineyard land add a further seasonal factor.
Are air quality levels in Metz 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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