What is the air quality trend in Ermelo?

Over the past 8 days, Ermelo had an average AQI of 62 based on station measurements. The worst day was 2026-05-22 with AQI 90.

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
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

155h

PM2.5 Station

155h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	60	21–158	18.3 µg/m³	21h	2
2026-05-27	75	20–197	30.6 µg/m³	23h	2
2026-05-26	64	24–174	21.0 µg/m³	20h	2
2026-05-25	70	11–204	26.9 µg/m³	22h	3
2026-05-24	40	11–122	10.6 µg/m³	22h	2
2026-05-23	62	10–284	25.4 µg/m³	23h	2
2026-05-22	90	11–500	73.2 µg/m³	23h	3
2026-05-21	41	41–41	9.8 µg/m³	1h	1

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