What is the air quality trend in Villiers?

Over the past 7 days, Villiers had an average AQI of 46 based on station measurements. The worst day was 2026-07-17 with AQI 71.

How is Villiers air quality measured?

Air quality in Villiers 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 Villiers, South Africa

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

57h

PM2.5 Station

57h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	48	5–106	14.7 µg/m³	6h	1
2026-07-20	23	1–62	5.8 µg/m³	7h	1
2026-07-19	51	12–151	15.3 µg/m³	10h	1
2026-07-18	48	18–107	13.3 µg/m³	12h	1
2026-07-17	71	4–287	37.0 µg/m³	13h	1
2026-07-16	46	17–87	12.8 µg/m³	6h	1
2026-07-15	36	21–54	8.9 µg/m³	3h	1

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