SmogRank / World / France / Normandy / January 2024

Most polluted cities in Normandy, France, January 2024

10 cities in Normandy, France ranked by their average PM2.5 over the 31 days. Worst: Rouen at 15.3 µg/m³, #441 of 2,341 cities in the world. Cleanest: La Ferté-Macé at 8.6. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Rouen 3% 3%0
Every city in Normandy, France ranked for January 2024, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1Rouen
    3%
  2. 2Dieppe
    3%
  3. 3Val-de-Reuil
    3%
  4. 4Le Trait
    0%
  5. 5Le Havre
    0%
  6. 6Évreux
    0%
  7. 7Lisieux
    0%
  8. 8Alençon
    0%
  9. 9Caen
    0%
  10. 10La Ferté-Macé
    0%
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, January 2024 · All cities in France, January 2024 · Normandy now

Use this board

SmogRank, most polluted cities in Normandy, France, PM2.5, January 2024, smogrank.com/fr/region/normandy/history/2024-01 (accessed 6 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.