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Ribeira Brava, Cape Verde

Preguiça · Air quality

Friday, Nov 6 · Atlantic/Cape Verde

Preguiça air quality

US air quality index

56

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
12 µg/m³
PM10
20 µg/m³
Ozone
37.3 µg/m³
Nitrogen dioxide
0 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
93 µg/m³
European AQI (separate scale)
2