What is the air quality trend in Balfour?

Over the past 8 days, Balfour had an average AQI of 94 based on station measurements. The worst day was 2026-07-14 with AQI 175.

How is Balfour air quality measured?

Air quality in Balfour 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 Balfour, South Africa

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

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

156

Current AQI
Unhealthy CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	70	18–193	25.3 µg/m³	21h	4
2026-07-20	62	18–155	19.6 µg/m³	24h	3
2026-07-19	69	10–136	21.2 µg/m³	24h	4
2026-07-18	90	25–160	30.7 µg/m³	24h	4
2026-07-17	105	52–249	44.2 µg/m³	23h	4
2026-07-16	98	33–167	36.2 µg/m³	24h	3
2026-07-15	88	32–162	29.7 µg/m³	22h	3
2026-07-14	175	175–175	101.8 µg/m³	1h	1

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