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Rio Grande do Norte, Brazil

Lagoa de Pedras · Air quality

Sunday, Nov 8 · America/Fortaleza

Lagoa de Pedras air quality

US air quality index

53

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
11 µg/m³
PM10
15 µg/m³
Ozone
50.3 µg/m³
Nitrogen dioxide
0.7 µg/m³
Sulfur dioxide
0.7 µg/m³
Carbon monoxide
159 µg/m³
European AQI (separate scale)
2