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Jilin, China

Chang’an · Kalidad ng hangin

Lunes, Nob 9 · Asia/Shanghai

Chang’an air quality

US air quality index

60

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
22 µg/m³
PM2.5
26 µg/m³
PM10
29 µg/m³
Osono
49.7 µg/m³
Nitroheno dioksido
8 µg/m³
Asupre dioksido
3 µg/m³
Karbon monoksido
228 µg/m³
European AQI (separate scale)
2