Lumaktaw sa panahon
weather.ws

North Sumatra, Indonesia

Rantau Prapat · Kalidad ng hangin

Linggo, Nob 8 · Asia/Jakarta

Rantau Prapat 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
15 µg/m³
PM2.5
16 µg/m³
PM10
16 µg/m³
Osono
39.3 µg/m³
Nitroheno dioksido
3.7 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
422.7 µg/m³
European AQI (separate scale)
2