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Hebei, China

Hengshui · Kalidad ng hangin

Huwebes, Nob 5 · Asia/Shanghai

Hengshui air quality

US air quality index

96

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
25 µg/m³
PM2.5
31 µg/m³
PM10
44 µg/m³
Osono
14 µg/m³
Nitroheno dioksido
42 µg/m³
Asupre dioksido
14 µg/m³
Karbon monoksido
619 µg/m³
European AQI (separate scale)
4