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Andalusia, Spain

Castro del Río · Air quality

Sunday, Nov 8 · Europe/Madrid

Castro del Río 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
2 µg/m³
PM2.5
5 µg/m³
PM10
9 µg/m³
Ozone
62.3 µg/m³
Nitrogen dioxide
3 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
101.3 µg/m³
European AQI (separate scale)
2