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Trarza, Mauritania

Ouâd Nâga · Air quality

Thursday, Nov 12 · Africa/Nouakchott

Ouâd Nâga 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
4 µg/m³
PM2.5
15 µg/m³
PM10
63 µg/m³
Ozone
41 µg/m³
Nitrogen dioxide
0 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
97 µg/m³
European AQI (separate scale)
4