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Katsina State, Nigeria

Katsina · Kalidad ng hangin

Biyernes, Nob 6 · Africa/Lagos

Katsina air quality

US air quality index

158

Masama sa kalusugan

US EPA scale

  1. Mabuti0–50
  2. Katamtaman51–100
  3. Masama sa kalusugan ng mga sensitibong grupo101–150
  4. Masama sa kalusugan151–200Current category
  5. Lubhang masama sa kalusugan201–300
  6. Mapanganib301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Lahat ng Polutante

PM1
8 µg/m³
PM2.5
38 µg/m³
PM10
149 µg/m³
Osono
63.3 µg/m³
Nitroheno dioksido
1 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
177.3 µg/m³
European AQI (separate scale)
5