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Extremadura, Spain

Castañar de Ibor · Air quality

Monday, Nov 2 · Europe/Madrid

Castañar de Ibor air quality

US air quality index

37

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
6 µg/m³
PM2.5
6 µg/m³
PM10
6 µg/m³
Ozone
64.3 µg/m³
Nitrogen dioxide
5.7 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
144.7 µg/m³
European AQI (separate scale)
2