SmogRank / World / South Africa / January 2024

Most polluted cities in South Africa, January 2024

10 cities in South Africa ranked by their average PM2.5 over the 31 days. Worst: Brits at 19.2 µg/m³, #280 of 2,056 cities in the world. Cleanest: Klerksdorp at 5.8. A city needs measurements on 70% of the days to be ranked.

← Brits 19.2 µg/m³ 20 µg/m³0
Every city in South Africa ranked for January 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1BritsNorth West
    70
  2. 2JohannesburgGauteng
    69
  3. 3VereenigingGauteng
    65
  4. 4ThembisaGauteng
    63
  5. 5SecundaMpumalanga
    61
  6. 5BrakpanGauteng
    61
  7. 7MiddelburgMpumalanga
    59
  8. 8BloemfonteinFree State
    51
  9. 9Richards BayKwaZulu-Natal
    48
  10. 10KlerksdorpNorth West
    32
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, January 2024 · South Africa now

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SmogRank, most polluted cities in South Africa, PM2.5, January 2024, smogrank.com/za/history/2024-01 (accessed 2 Oct 2026).

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