What is the air quality trend in Northam?

Over the past 8 days, Northam had an average AQI of 133 based on station measurements. The worst day was 2026-07-20 with AQI 149.

How is Northam air quality measured?

Air quality in Northam 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 Northam, South Africa

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

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

152

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

90h

PM2.5 Station

90h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	128	65–177	54.4 µg/m³	161.0	10h	2
2026-07-20	149	74–182	69.8 µg/m³	153.7	13h	2
2026-07-19	132	57–297	63.3 µg/m³	118.8	14h	2
2026-07-18	137	57–254	69.5 µg/m³	164.9	14h	2
2026-07-17	124	71–169	47.4 µg/m³	110.3	12h	2
2026-07-16	135	53–176	56.6 µg/m³	151.7	12h	2
2026-07-15	116	70–167	43.3 µg/m³	89.5	13h	2
2026-07-14	144	107–181	76.3 µg/m³	147.5	2h	2

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