What is the air quality trend in Semarang?

Over the past 5 days, Semarang had an average AQI of 36 based on station measurements. The worst day was 2026-07-30 with AQI 104.

How is Semarang air quality measured?

Air quality in Semarang 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 Semarang, Indonesia

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

Historical PM2.5 and AQI trend from monitoring stations near Semarang, Indonesia.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

PM2.5 Station

7h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-06	12	12–12	3.0 µg/m³	2.5	1h	2
2026-08-03	10	10–10	2.5 µg/m³	2.5	1h	2
2026-08-02	11	11–11	2.5 µg/m³	2.6	1h	2
2026-07-31	46	8–119	15.8 µg/m³	2.2	3h	1
2026-07-30	104	104–104	36.8 µg/m³	0.3	1h	3

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