SmogRank / Countries / South Africa / April 2025

Most polluted cities in South Africa, April 2025

4 cities in South Africa ranked by their average PM2.5 over the 30 days. Worst: Vereeniging at 24.1 µg/m³, #150 of 2,286 cities in the world. Cleanest: Richards Bay at 5.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Vereeniginglow-cost sensorsGauteng
    24.1
  2. 2Shakaskraallow-cost sensorsKwaZulu-Natal
    7.1
  3. 3Tongaatlow-cost sensorsKwaZulu-Natal
    6.3
  4. 4Richards Baylow-cost sensorsKwaZulu-Natal
    5.6
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, April 2025 · South Africa now

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SmogRank, most polluted cities in South Africa, PM2.5, April 2025, smogrank.com/za/history/2025-04 (accessed 2 Oct 2026).

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