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Catalonia, Spain

Sant Joan Despí · Air quality

Saturday, Nov 14 · Europe/Madrid

Sant Joan Despí 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
10 µg/m³
PM2.5
14 µg/m³
PM10
18 µg/m³
Ozone
33 µg/m³
Nitrogen dioxide
13 µg/m³
Sulfur dioxide
1.7 µg/m³
Carbon monoxide
168 µg/m³
European AQI (separate scale)
1