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North, Cameroon

Rey Bouba · Air quality

Wednesday, 4 Nov · Africa/Douala

Rey Bouba air quality

US air quality index

65

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  3. E no good for sensitive people101–150
  4. E no good for health151–200
  5. E bad well well for health201–300
  6. Dangerous301–500+

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
11 µg/m³
PM2.5
21 µg/m³
PM10
43 µg/m³
Ozone
83 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
218 µg/m³
European AQI (separate scale)
3