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Gauteng, Afrika Kusini

Springs · Ubora wa hewa

Ijumaa, 30 Okt · Africa/Johannesburg

Springs air quality

US air quality index

68

Wastani

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100Current category
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200
  5. Hewa yenye madhara makubwa201–300
  6. Hatari301–500+

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

Understand the EPA scale

Vichafuzi vyote

PM1
14 µg/m³
PM2.5
15 µg/m³
PM10
15 µg/m³
Ozoni
42.7 µg/m³
Dioksidi ya nitrojeni
14.7 µg/m³
Dioksidi ya salfa
20 µg/m³
Monoksidi ya kaboni
172.3 µg/m³
European AQI (separate scale)
3