Independent editorial journal
Understanding the air we breathe across Île-de-France
An independent publication explaining air pollution, its sources, health effects, mobility and indoor air, grounded in verifiable public documentation.
Our themes
Five ways into the subject
Each theme opens onto a clear introduction and a set of articles that explain the terms, the sources and the evidence.
Fundamentals
Air quality
How measurements, atmospheric indices and seasonal weather shape what residents read about the air around them.
Sources
Pollutants and sources
The main airborne pollutants, where they come from in urban areas, and how they form and travel.
Wellbeing
Air and health
A review of public health findings on respiratory exposure, presented without medical prescriptions.
Our approach
Verified public data, reported without alarm
This publication is independent. It is not an official service and is not affiliated with the French State, the Île-de-France Region or Airparif. We cite reliable public sources and explain what the evidence does and does not show.
Practical guides
Everyday choices that shape your air
Indoor air
Ventilating your home
Simple habits for airing rooms, choosing when to ventilate and understanding the common sources of indoor emissions.
Mobility
Moving around more lightly
Active travel options, low-emission zones and how roadside exposure varies across the region.
