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Catalonia, Spain

Sarrià de Ter · Air quality

Friday, Oct 30 · Europe/Madrid

Sarrià de Ter air quality

US air quality index

40

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
7 µg/m³
PM2.5
10 µg/m³
PM10
13 µg/m³
Ozone
53.3 µg/m³
Nitrogen dioxide
10 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
155.3 µg/m³
European AQI (separate scale)
2