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Katsina State, Nigeria

Mani · Air quality

Sunday, 8 Nov · Africa/Lagos

Mani air quality

US air quality index

158

E no good for health

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. E no good for sensitive people101–150
  4. E no good for health151–200Current category
  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
202 µg/m³
PM2.5
222 µg/m³
PM10
259 µg/m³
Ozone
1.7 µg/m³
Nitrogen dioxide
42.3 µg/m³
Sulfur dioxide
12.3 µg/m³
Carbon monoxide
2,398.3 µg/m³
European AQI (separate scale)
5