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Wallonia, Belgium

Marquain · Kalidad ng hangin

Biyernes, Nob 13 · Europe/Brussels

Marquain air quality

US air quality index

41

Mabuti

US EPA scale

  1. Mabuti0–50Current category
  2. Katamtaman51–100
  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
21 µg/m³
PM2.5
24 µg/m³
PM10
26 µg/m³
Osono
2 µg/m³
Nitroheno dioksido
40 µg/m³
Asupre dioksido
3 µg/m³
Karbon monoksido
232 µg/m³
European AQI (separate scale)
1