What is the air quality trend in Ermelo?

Over the past 8 days, Ermelo had an average AQI of 43 based on station measurements. The worst day was 2026-05-25 with AQI 52.

How is Ermelo air quality measured?

Air quality in Ermelo 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 Ermelo, South Africa

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	32	15–53	7.6 µg/m³	14h	3
2026-05-28	47	20–133	12.5 µg/m³	23h	3
2026-05-27	50	15–163	14.7 µg/m³	24h	3
2026-05-26	44	4–151	11.8 µg/m³	23h	3
2026-05-25	52	11–168	15.8 µg/m³	24h	3
2026-05-24	47	9–121	12.9 µg/m³	23h	3
2026-05-23	39	16–73	9.7 µg/m³	23h	3
2026-05-22	35	20–67	8.8 µg/m³	9h	3

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