Air Quality in Montpellier
Occitanie — 34
299,096 inhabitants
11 of 60 cities
Standard deviation: ±8 points
Based on 200 measurements
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Air quality in Montpellier: what you need to know
Montpellier, capital of the Occitanie region on the Mediterranean coast, benefits from exceptional sunshine and the tramontane wind that effectively disperses pollutants. A young, dynamic city with strong demographic growth, Montpellier has made the ambitious choice of an extensive tram network and partial public transport gratuity. The historic center (Ecusson) is largely pedestrianized. Neighborhoods near the Lez river and green spaces (Parc Montcalm, Meric estate) offer superior air quality. Peri-urban areas near the A9 rank lower. The average score of 71/100 reflects generally good air, aided by the Mediterranean climate.
Main pollutants in Montpellier
Main pollutants: O3, NO2, PM10
Summer ozone is Montpellier's main pollutant, promoted by strong sunshine. Traffic NO2 and PM10 are present but at moderate levels. The tramontane ensures good natural ventilation.
PM2.5 — Fine Particulate Matter
Particles smaller than 2.5 micrometers. From traffic and heating. Penetrate deep into the lungs.
PM10 — Coarse Particulate Matter
Particles smaller than 10 micrometers. From traffic, construction, and erosion. Irritating to airways.
Key pollutantNO2 — 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.
Key pollutantSO2 — 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 Montpellier
Air quality varies significantly between neighborhoods. With a standard deviation of ±8 points, two addresses in Montpellier can show very different scores. Only an address-level report reveals the actual air quality.
Impact on real estate in Montpellier
Montpellier attracts many workers and retirees drawn by the climate and quality of life. Good air quality (71/100) reinforces this attractiveness. An ImmoGrade report highlights properties in the best-ranked neighborhoods, particularly near the Ecusson and the Lez.
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 Occitanie
Frequently asked questions about air quality in Montpellier
Is the air good in Montpellier?
With a score of 71/100, Montpellier benefits from good air quality. The Mediterranean climate and tramontane are natural assets. Summer ozone is the main concern.
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