What is the air quality trend in Thembisa?

Over the past 8 days, Thembisa had an average AQI of 83 based on station measurements. The worst day was 2026-08-05 with AQI 92.

How is Thembisa air quality measured?

Air quality in Thembisa 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 Thembisa, South Africa

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

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

145

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 9 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	80	58–97	26.1 µg/m³	37.3	7h	9
2026-08-07	85	54–152	28.0 µg/m³	44.5	24h	10
2026-08-06	85	59–142	28.1 µg/m³	53.3	24h	15
2026-08-05	92	53–155	31.3 µg/m³	54.9	24h	14
2026-08-04	86	46–158	28.6 µg/m³	47.0	24h	13
2026-08-03	80	34–199	28.7 µg/m³	43.2	24h	7
2026-08-02	78	43–136	24.5 µg/m³	53.1	24h	8
2026-08-01	79	33–120	25.8 µg/m³	34.9	15h	10

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