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

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

3 cities in North West, South Africa ranked by their average PM2.5 so far (5 of 31 days). Worst: Marikana at 16.7 µg/m³, #146 of 2,246 cities in the world. Cleanest: Hammanskraal at 3.4. A city needs measurements on 70% of the days to be ranked.

← Marikana 16.7 µg/m³ 20 µg/m³0
Every city in North West, South Africa ranked for October 2026, 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. 1Marikana
    65
  2. 2Hartbeespoort
    54
  3. 3Hammanskraal
    19
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, October 2026 · All cities in South Africa, October 2026 · North West now

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SmogRank, most polluted cities in North West, South Africa, PM2.5, October 2026 (so far), smogrank.com/za/region/north-west/history/2026-10 (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.