Air Quality in Nantes
Pays de la Loire — 44
320,732 inhabitants
13 of 60 cities
Standard deviation: ±8 points
Based on 200 measurements
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Air quality in Nantes: what you need to know
Nantes, France's sixth-largest city and capital of Pays de la Loire, is regularly cited among French cities offering the best quality of life. Its oceanic climate with frequent winds promotes good atmospheric pollutant dispersion. The city has invested heavily in public transport (tram, busway) and cycling infrastructure, reducing car dependency. Ile de Nantes, a major urban redevelopment project, integrates strict environmental standards. Neighborhoods near the Erdre river and green spaces (Jardin des Plantes, Parc de Proce) enjoy particularly clean air. The average score of 70/100 makes Nantes one of France's best-ranked major cities.
Main pollutants in Nantes
Main pollutants: NO2, PM2.5
Pollutant levels in Nantes are among the lowest of major French cities. Traffic-related NO2 remains the main pollutant but at moderate levels. Oceanic winds ensure good dispersion throughout the year.
PM2.5 — Fine Particulate Matter
Particles smaller than 2.5 micrometers. From traffic and heating. Penetrate deep into the lungs.
Key pollutantPM10 — Coarse Particulate Matter
Particles smaller than 10 micrometers. From traffic, construction, and erosion. Irritating to airways.
NO2 — Nitrogen Dioxide
Gas mainly from diesel engine combustion. Direct indicator of road traffic. Respiratory irritant.
Key pollutantO3 — Ozone
Secondary pollutant formed by chemical reaction under sunlight. Peaks in summer. Causes respiratory irritation.
SO2 — Sulfur Dioxide
From combustion of sulfur-containing fossil fuels. Found near industrial and port areas.
CO — Carbon Monoxide
Odorless gas from incomplete combustion. Linked to road traffic and faulty heating systems.
Neighborhood comparison in Nantes
Air quality varies significantly between neighborhoods. With a standard deviation of ±8 points, two addresses in Nantes can show very different scores. Only an address-level report reveals the actual air quality.
Impact on real estate in Nantes
Nantes enjoys a dynamic real estate market driven by its quality of life. Good air quality is an additional selling point, especially for families. Neighborhoods near the Erdre river and Parc de Proce show higher prices, partly due to their favorable air environment. An ImmoGrade report in a Nantes listing reinforces the quality-of-life image that buyers seek.
Health tips related to air quality
Check the ImmoGrade for your address before buying or renting a property.
Sensitive individuals (children, elderly, asthma sufferers) should be particularly cautious in areas scoring below 50/100.
Choose homes away from major roads and near green spaces for better indoor air quality.
Ventilate your home early in the morning or late in the evening, when pollution levels are lowest.
National Ranking — Top 5
| # | City | Score |
|---|---|---|
| 1 | Brest | 82/100 |
| 2 | Lorient | 78/100 |
| 3 | La Rochelle | 77/100 |
| 4 | Bayonne | 76/100 |
| 5 | Ajaccio | 75/100 |
Air Quality in Pays de la Loire
Frequently asked questions about air quality in Nantes
Does Nantes have good air quality?
Yes, with a score of 70/100, Nantes is one of France's best-ranked major cities. The oceanic climate and investments in soft mobility contribute to these results.
Which Nantes neighborhoods have the best air?
The Erdre riverbanks, Proce-Monselet districts, and south-of-Loire areas offer the best scores, away from major traffic routes.
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