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Hunan, China

Kaiyun · Kalidad ng hangin

Sabado, Nob 7 · Asia/Shanghai

Kaiyun air quality

US air quality index

57

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
23 µg/m³
PM2.5
25 µg/m³
PM10
26 µg/m³
Osono
2 µg/m³
Nitroheno dioksido
41 µg/m³
Asupre dioksido
17 µg/m³
Karbon monoksido
794 µg/m³
European AQI (separate scale)
2