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Castille and León, Spain

Fuentes de Año · Air quality

Sunday, Nov 8 · Europe/Madrid

Fuentes de Año air quality

US air quality index

31

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
4 µg/m³
PM2.5
6 µg/m³
PM10
7 µg/m³
Ozone
59 µg/m³
Nitrogen dioxide
3.3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
114.3 µg/m³
European AQI (separate scale)
2