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Heilongjiang, China

Changchun · Kalidad ng hangin

Sabado, Nob 14 · Asia/Shanghai

Changchun air quality

US air quality index

155

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
47 µg/m³
PM2.5
53 µg/m³
PM10
56 µg/m³
Osono
18 µg/m³
Nitroheno dioksido
27.7 µg/m³
Asupre dioksido
11.7 µg/m³
Karbon monoksido
841 µg/m³
European AQI (separate scale)
5