What is the air quality trend in Maseru?

Over the past 8 days, Maseru had an average AQI of 88 based on station measurements. The worst day was 2026-07-14 with AQI 108.

How is Maseru air quality measured?

Air quality in Maseru 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 Maseru, Lesotho

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

Historical PM2.5 and AQI trend from monitoring stations near Maseru, Lesotho.

152

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 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	85	54–153	27.8 µg/m³	19h	1
2026-07-20	88	49–151	29.2 µg/m³	22h	1
2026-07-19	81	58–109	26.4 µg/m³	23h	1
2026-07-18	80	42–115	25.7 µg/m³	23h	1
2026-07-17	87	25–146	29.1 µg/m³	24h	1
2026-07-16	78	29–120	25.2 µg/m³	22h	1
2026-07-15	98	51–148	33.6 µg/m³	23h	1
2026-07-14	108	105–113	38.5 µg/m³	3h	1

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