SmogRank / World / South Africa / North West / September 2026

Most polluted cities in North West, South Africa, September 2026

2 cities in North West, South Africa ranked by their average PM2.5 over the 30 days. Worst: Marikana at 22.1 µg/m³, #230 of 2,949 cities in the world. Cleanest: Hartbeespoort at 16.2. A city needs measurements on 70% of the days to be ranked.

  1. 1Marikana
    75
  2. 2Hartbeespoort
    64
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, September 2026 · All cities in South Africa, September 2026 · North West now

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SmogRank, most polluted cities in North West, South Africa, PM2.5, September 2026, smogrank.com/za/region/north-west/history/2026-09 (accessed 6 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.