What is the air quality trend in Kriel?

Over the past 2 days, Kriel had an average AQI of 72 based on station measurements. The worst day was 2026-07-21 with AQI 103.

How is Kriel air quality measured?

Air quality in Kriel 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 Kriel, South Africa

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

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

158

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

PM2.5 Station

5h · 1 station

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	103	53–171	42.8 µg/m³	4h	1
2026-07-20	42	42–42	10.1 µg/m³	1h	1

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