What is the air quality trend in Centurion?

Over the past 7 days, Centurion had an average AQI of 46 based on station measurements. The worst day was 2026-05-23 with AQI 55.

How is Centurion air quality measured?

Air quality in Centurion 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 Centurion, South Africa

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

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

134

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 1 station

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	43	15–63	10.9 µg/m³	16.5	24h	1
2026-05-27	49	12–78	13.5 µg/m³	20.4	23h	1
2026-05-26	47	12–83	13.1 µg/m³	19.1	24h	1
2026-05-25	42	14–75	10.8 µg/m³	17.0	23h	1
2026-05-24	50	14–84	13.8 µg/m³	20.7	24h	1
2026-05-23	55	31–99	15.1 µg/m³	22.4	24h	1
2026-05-22	41	6–109	12.6 µg/m³	19.0	21h	1

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