What is the air quality trend in Johor Bahru?

Over the past 8 days, Johor Bahru had an average AQI of 107 based on station measurements. The worst day was 2026-09-04 with AQI 147.

How is Johor Bahru air quality measured?

Air quality in Johor Bahru 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 Johor Bahru, Malaysia

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

Historical PM2.5 and AQI trend from monitoring stations near Johor Bahru, Malaysia.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	123	113–132	44.4 µg/m³	54.1	11h	3
2026-09-04	147	95–175	65.3 µg/m³	72.9	24h	3
2026-09-03	141	97–166	57.5 µg/m³	65.8	24h	3
2026-09-02	103	58–129	36.1 µg/m³	42.1	24h	3
2026-09-01	95	69–117	32.8 µg/m³	37.7	23h	3
2026-08-31	70	16–107	22.2 µg/m³	24.9	24h	3
2026-08-30	84	25–134	27.8 µg/m³	31.6	24h	3
2026-08-29	96	80–112	33.3 µg/m³	35.7	12h	4

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