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Santa Catarina, Cape Verde

Pedra Barro · Air quality

Monday, Nov 9 · Atlantic/Cape Verde

Pedra Barro air quality

US air quality index

70

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
6 µg/m³
PM2.5
23 µg/m³
PM10
55 µg/m³
Ozone
42 µg/m³
Nitrogen dioxide
0.3 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
90.7 µg/m³
European AQI (separate scale)
4