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Île-de-France, France

Le Chesnay · Air quality

Monday, Nov 9 · Europe/Paris

Le Chesnay air quality

US air quality index

69

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. Hazardous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

All pollutants

PM1
26 µg/m³
PM2.5
28 µg/m³
PM10
28 µg/m³
Ozone
22 µg/m³
Nitrogen dioxide
19.3 µg/m³
Sulfur dioxide
1.7 µg/m³
Carbon monoxide
253.3 µg/m³
European AQI (separate scale)
3