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Hai Phong, Vietnam

Chí Linh · Kalidad ng hangin

Martes, Nob 3 · Asia/Ho Chi Minh

Chí Linh air quality

US air quality index

56

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
21 µg/m³
PM10
22 µg/m³
Osono
73.7 µg/m³
Nitroheno dioksido
14 µg/m³
Asupre dioksido
22.7 µg/m³
Karbon monoksido
283.7 µg/m³
European AQI (separate scale)
2