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Heilongjiang, China

Shuangcheng · Kalidad ng hangin

Huwebes, Nob 12 · Asia/Shanghai

Shuangcheng air quality

US air quality index

89

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
18 µg/m³
PM2.5
22 µg/m³
PM10
26 µg/m³
Osono
31 µg/m³
Nitroheno dioksido
21.7 µg/m³
Asupre dioksido
12 µg/m³
Karbon monoksido
469.7 µg/m³
European AQI (separate scale)
4