The air quality observatory in Île-de-France

Live

Air quality

Degraded

Paris 4th arrondissement

Air quality by pollutant
pollutant	Index
Ozone (O₃)	Average	µg/m³
Nitric Dioxide (NO₂)	Average	µg/m³
Particles (PM₁₀)	Average	µg/m³
Fine particles (PM₂.₅)	Average	µg/m³

Allergy risks due to pollen

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Forecast for the day

Today
Tomorrow

October 14

Air quality

Degraded

Forecaster's note

The return of dry weather and low dispersance conditions will favor the accumulation of locally emitted pollutants. Air quality will nevertheless remain moderate in the Île-de-France region.

October 15

Air quality

Degraded

Forecaster's note

The continued dry weather will promote the accumulation of locally emitted pollutants. However, air quality will remain moderate in the Île-de-France region.

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Key figures

100%

people from the Île-de-France region who go beyond the values of the WHO

30

millions of data points produced per hour

1979

year the association was founded

72

employees (technicians, engineers...)

Our mission

Monitor

the air breathed by the people of the Île-de-France region thanks to a robust and reliable measurement device.

Understand

air pollution and its impacts, by contributing to the improvement of knowledge.

Accompany

citizens and all stakeholders, by informing, raising awareness and evaluating actions.

Innovate

by facilitating the emergence of new solutions to improve air quality.