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Gauteng, Afrika Selatan

Midrand · Kualitas udara

Senin, 26 Okt · Africa/Johannesburg

Midrand air quality

US air quality index

65

Sedang

US EPA scale

  1. Baik0–50
  2. Sedang51–100Current category
  3. Tidak sehat bagi kelompok sensitif101–150
  4. Tidak sehat151–200
  5. Sangat tidak sehat201–300
  6. Berbahaya301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Semua polutan

PM1
25 µg/m³
PM2.5
26 µg/m³
PM10
27 µg/m³
Ozon
53 µg/m³
Nitrogen dioksida
20 µg/m³
Sulfur dioksida
26,7 µg/m³
Karbon monoksida
330 µg/m³
European AQI (separate scale)
2