What is the air quality trend in Thembisa?

Over the past 21 days, Thembisa had an average AQI of 46 based on station measurements. The worst day was with AQI .

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.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

444h

PM2.5 Trend

444h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-28	32	2–63	8.0 µg/m³	17h	7
2026-04-27	48	26–73	12.4 µg/m³	24h	10
2026-04-26	55	36–99	15.0 µg/m³	24h	10
2026-04-25	48	21–128	13.1 µg/m³	24h	11
2026-04-24	40	20–71	10.0 µg/m³	24h	10
2026-04-23	35	14–63	8.5 µg/m³	24h	11
2026-04-22	41	27–63	10.2 µg/m³	24h	11
2026-04-21	48	28–149	12.7 µg/m³	24h	13
2026-04-20	42	18–87	11.0 µg/m³	18h	9
2026-04-19	40	20–65	9.8 µg/m³	18h	9
2026-04-18	38	25–62	9.3 µg/m³	21h	12
2026-04-17	48	27–72	12.3 µg/m³	17h	11
2026-04-16	54	42–76	14.1 µg/m³	24h	14
2026-04-15	49	28–67	12.4 µg/m³	24h	13
2026-04-14	45	23–79	11.6 µg/m³	24h	11
2026-04-13	50	8–124	13.7 µg/m³	19h	9
2026-04-12	53	35–75	13.6 µg/m³	24h	12
2026-04-11	58	28–141	16.1 µg/m³	24h	9
2026-04-10	51	36–76	13.2 µg/m³	24h	10
2026-04-09	44	24–68	11.0 µg/m³	21h	8
2026-04-08	55	55–55	14.0 µg/m³	1h	1

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