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Auvergne-Rhône-Alpes, France

Le Cheylard · Air quality

Wednesday, Nov 4 · Europe/Paris

Le Cheylard air quality

US air quality index

50

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  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
13 µg/m³
PM2.5
13 µg/m³
PM10
14 µg/m³
Ozone
25 µg/m³
Nitrogen dioxide
10 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
183 µg/m³
European AQI (separate scale)
2