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Hauts-de-France, France

Saint-Nicolas · Kalidad ng hangin

Sabado, Nob 7 · Europe/Paris

Saint-Nicolas air quality

US air quality index

69

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
22 µg/m³
PM2.5
23 µg/m³
PM10
23 µg/m³
Osono
22 µg/m³
Nitroheno dioksido
12 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
219 µg/m³
European AQI (separate scale)
3