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Catalonia, Spain

Santa Cecília de Voltregà · Air quality

Friday, Nov 13 · Europe/Madrid

Santa Cecília de Voltregà air quality

US air quality index

23

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
5 µg/m³
PM2.5
6 µg/m³
PM10
7 µg/m³
Ozone
35.7 µg/m³
Nitrogen dioxide
12.7 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
134.3 µg/m³
European AQI (separate scale)
1