What is the air quality trend in Randfontein?

Over the past 7 days, Randfontein had an average AQI of 61 based on station measurements. The worst day was 2026-05-25 with AQI 71.

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.

196

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	62	35–167	19.2 µg/m³	22.9	24h	8
2026-05-27	61	35–141	17.4 µg/m³	24.2	24h	9
2026-05-26	64	42–163	18.8 µg/m³	24.7	24h	10
2026-05-25	71	31–175	23.4 µg/m³	26.4	24h	11
2026-05-24	64	26–194	22.9 µg/m³	27.1	24h	9
2026-05-23	51	34–81	13.3 µg/m³	24.5	24h	10
2026-05-22	60	30–138	17.3 µg/m³	17.2	24h	10

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