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Zinder Region, Niger

Dungas · Kalidad ng hangin

Sabado, Nob 14 · Africa/Niamey

Dungas air quality

US air quality index

67

Katamtaman

US EPA scale

  1. Mabuti0–50
  2. Katamtaman51–100Current category
  3. Masama sa kalusugan ng mga sensitibong grupo101–150
  4. Masama sa kalusugan151–200
  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
5 µg/m³
PM2.5
16 µg/m³
PM10
24 µg/m³
Osono
43 µg/m³
Nitroheno dioksido
0.7 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
126.7 µg/m³
European AQI (separate scale)
3