Lumaktaw sa panahon
weather.ws

Tianjin, China

Hebeitun · Kalidad ng hangin

Biyernes, Nob 6 · Asia/Shanghai

Hebeitun air quality

US air quality index

67

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
11 µg/m³
PM2.5
14 µg/m³
PM10
27 µg/m³
Osono
31 µg/m³
Nitroheno dioksido
20.7 µg/m³
Asupre dioksido
7.3 µg/m³
Karbon monoksido
331 µg/m³
European AQI (separate scale)
2