What is the air quality trend in Randfontein?

Over the past 8 days, Randfontein had an average AQI of 76 based on station measurements. The worst day was 2026-08-07 with AQI 87.

How is Randfontein air quality measured?

Air quality in Randfontein is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Randfontein, South Africa

Name: Randfontein Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Randfontein, South Africa.

156

Current AQI
Unhealthy CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	78	61–108	24.9 µg/m³	36.9	7h	5
2026-08-07	87	48–138	28.7 µg/m³	41.2	24h	6
2026-08-06	83	40–142	27.1 µg/m³	38.6	24h	9
2026-08-05	78	46–125	25.0 µg/m³	36.0	24h	9
2026-08-04	78	54–113	24.8 µg/m³	36.2	24h	7
2026-08-03	55	28–96	15.1 µg/m³	27.8	24h	4
2026-08-02	68	41–138	20.7 µg/m³	39.7	24h	5
2026-08-01	81	37–122	26.3 µg/m³	31.9	14h	7

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