Johor Bahru air quality.
Weekly city review.

9 – 15 Sep 20267 days · Johor

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi bandar Johor Bahru, Johor

Johor Bahru air quality averaged an Air Pollutant Index (API) of 115 (Unhealthy) during the week of 9 – 15 Sep 2026, monitored via the Larkin station.

City weekly average

115API

Unhealthy · Tidak Sihat

Daily averages86.6 – 163.9 APIWed → Tue

Explore the week

Week's highest reading: 169UnhealthyPeak reading during period
Monitoring station: LarkinJohorRepresentative station
Good to Moderate air: 57%of hourly readings168 readings recorded
State & National context: 106.7 APIJohor avgNational avg: 92.7 API

Seven days of air quality in Johor Bahru

Pergerakan purata harian dan julat bacaan sepanjang minggu

Archived API · Malaysia TimePoint, tap or use ← → to inspect

National averageStation peakMin–max rangeAPI bands7 of 7 points · 0–200 API

The average follows all available readings each day. The range spans the lowest and highest station readings; a national average can hide local peaks.

View chart data as a table

Archived national API, daily
Date / time	Average	Minimum	Peak
Wed, 9 Sep	108.7	86	142
Thu, 10 Sep	127.6	94	148
Fri, 11 Sep	98.7	93	114
Sat, 12 Sep	91.8	90	95
Sun, 13 Sep	86.6	80	91
Mon, 14 Sep	128	91	164
Tue, 15 Sep	163.9	154	169

The week, hour by hour

Purata setiap jam sepanjang tujuh hari di stesen berkaitan

Hourly readings at Larkin indicate typical diurnal trends such as morning traffic and afternoon dispersion in Johor Bahru.

050100150200APIBrighter cells ran hazier than the rest of this week (80 – 169 API)

Haziest hour of the week: Tue at 05:00 MYT, averaging API 169 nationwide.

View the hourly figures as a table

National average API by hour, Malaysia Time
Day	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	86	88	89	90	91	93	94	95	95	96	96	97	100	116	124	129	127	124	125	128	126	125	133	142
Thu	145	148	148	148	144	145	143	138	146	140	141	134	131	130	123	118	122	119	110	104	99	97	95	94
Fri	94	95	96	97	98	98	98	98	97	98	100	111	113	114	109	99	97	95	94	93	93	94	94	94
Sat	93	93	92	91	91	92	92	93	93	94	95	92	91	91	90	90	90	91	92	91	92	92	92	91
Sun	91	90	88	88	87	86	86	86	85	83	80	81	83	83	84	85	86	87	89	90	90	91	90	90
Mon	91	91	92	92	93	94	94	94	96	98	115	136	150	152	154	155	156	157	158	159	159	160	162	164
Tue	165	166	167	168	168	169	169	169	169	168	167	166	165	164	163	162	161	161	160	159	159	158	156	154

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana57%95
UnhealthyTidak Sihat43%73
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 168 hourly station readings.

Health advisory

Panduan kesihatan mengikut kategori kualiti udara

Limit prolonged outdoor activity. Children, older adults, pregnant women and people with respiratory or heart conditions should stay indoors where possible. A well-fitted N95 mask helps outdoors.

Hadkan aktiviti luar yang berpanjangan. Kanak-kanak, warga emas, ibu mengandung dan pesakit pernafasan atau jantung dinasihatkan berada di dalam bangunan. Pelitup muka N95 membantu di luar.

Malaysia API scale · Skala IPU Malaysia
API	Category	Kategori
0–50	Good	Baik
51–100	Moderate	Sederhana
101–200	Unhealthy	Tidak Sihat
201–300	Very Unhealthy	Sangat Tidak Sihat
301+	Hazardous	Berbahaya

Comparison with nearby cities

Perbandingan purata kualiti udara mingguan dengan bandar berdekatan

Kuala Lumpur118.9 API
UnhealthyLive status →
Kuching164.5 API
UnhealthyLive status →
Alor Setar44.5 API
GoodLive status →

Day	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	86	88	89	90	91	93	94	95	95	96	96	97	100	116	124	129	127	124	125	128	126	125	133	142
Thu	145	148	148	148	144	145	143	138	146	140	141	134	131	130	123	118	122	119	110	104	99	97	95	94
Fri	94	95	96	97	98	98	98	98	97	98	100	111	113	114	109	99	97	95	94	93	93	94	94	94
Sat	93	93	92	91	91	92	92	93	93	94	95	92	91	91	90	90	90	91	92	91	92	92	92	91
Sun	91	90	88	88	87	86	86	86	85	83	80	81	83	83	84	85	86	87	89	90	90	91	90	90
Mon	91	91	92	92	93	94	94	94	96	98	115	136	150	152	154	155	156	157	158	159	159	160	162	164
Tue	165	166	167	168	168	169	169	169	169	168	167	166	165	164	163	162	161	161	160	159	159	158	156	154

Day	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	86	88	89	90	91	93	94	95	95	96	96	97	100	116	124	129	127	124	125	128	126	125	133	142
Thu	145	148	148	148	144	145	143	138	146	140	141	134	131	130	123	118	122	119	110	104	99	97	95	94
Fri	94	95	96	97	98	98	98	98	97	98	100	111	113	114	109	99	97	95	94	93	93	94	94	94
Sat	93	93	92	91	91	92	92	93	93	94	95	92	91	91	90	90	90	91	92	91	92	92	92	91
Sun	91	90	88	88	87	86	86	86	85	83	80	81	83	83	84	85	86	87	89	90	90	91	90	90
Mon	91	91	92	92	93	94	94	94	96	98	115	136	150	152	154	155	156	157	158	159	159	160	162	164
Tue	165	166	167	168	168	169	169	169	169	168	167	166	165	164	163	162	161	161	160	159	159	158	156	154

Johor Bahru air quality.Weekly city review.