What is the air quality trend in Westonaria?

Over the past 8 days, Westonaria had an average AQI of 66 based on station measurements. The worst day was 2026-08-29 with AQI 76.

How is Westonaria air quality measured?

Air quality in Westonaria 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 Westonaria, South Africa

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

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

Current AQI
Moderate 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
2026-09-05	62	45–98	17.7 µg/m³	13.3	15h	9
2026-09-04	75	52–121	23.5 µg/m³	19.1	24h	10
2026-09-03	71	52–93	21.4 µg/m³	13.4	24h	11
2026-09-02	72	46–109	22.2 µg/m³	17.1	24h	11
2026-09-01	59	27–108	16.7 µg/m³	18.0	24h	10
2026-08-31	59	34–78	16.5 µg/m³	10.6	24h	11
2026-08-30	60	20–104	17.3 µg/m³	12.9	24h	11
2026-08-29	76	65–103	24.2 µg/m³	26.5	6h	12

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