30 Sep – 6 Oct 2026 · Malaysia

Kluang weekly air quality

US AQI · PM2.5 · 24-hour source averages

120Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 104.8. Calculated separately from reported official observations.

Each DOE observation identified as PM2.5 is converted using the published API formula and US AQI breakpoints. This is not an official all-pollutant AQI or NowCast. Calculation details

163 eligible observations · 0 excluded.

+28.1 AQI compared with the previous week’s eligible mean of 91.9.

Peak AQI: 177 at Kluang · 6 Oct 2026, 09:00 (UTC+8).

Daily US AQI (PM2.5)

Low 64High 177AQI

30 Sept6 Oct

6 OctDaily mean · Peak 177174.3Avg AQI

Based on 19 hourly readings.

Daily and hourly means use eligible observations across the selected locations. Each observation uses a 24-hour PM2.5 average.

Export AQI CSV

Means and peaks use only converted observations. Missing days remain gaps.

Day	Mean AQI	Peak AQI	Eligible / excluded
2026-09-30	137.4Unhealthy for Sensitive Groups	152	24 / 0
2026-10-01	77.4Moderate	103	24 / 0
2026-10-02	73.7Moderate	84	24 / 0
2026-10-03	101.2Unhealthy for Sensitive Groups	130	24 / 0
2026-10-04	146.7Unhealthy for Sensitive Groups	154	24 / 0
2026-10-05	140.7Unhealthy for Sensitive Groups	167	24 / 0
2026-10-06	174.3Unhealthy	177	19 / 0

Hourly means (UTC+8)

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
2026-09-30	152	152	151	148	147	145	145	145	146	145	143	142	141	141	138	138	140	134	130	124	118	115	111	107
2026-10-01	103	99	97	94	93	91	88	87	84	81	77	72	70	67	65	64	64	65	65	65	65	67	67	68
2026-10-02	68	70	70	70	70	70	70	70	71	71	71	71	70	70	71	72	74	77	78	81	83	83	83	84
2026-10-03	86	87	88	90	90	91	91	91	91	93	94	96	97	101	103	107	109	109	111	113	117	120	124	130
2026-10-04	132	136	138	139	142	145	148	150	151	152	152	154	154	154	154	154	152	152	150	148	144	142	140	138
2026-10-05	134	132	132	130	128	126	126	124	124	126	124	126	130	136	142	150	152	155	158	160	163	165	166	167
2026-10-06	169	171	173	173	174	174	175	175	175	177	177	177	177	175	175	174	174	174	173	—	—	—	—	—

Observation categories

Good: 0

Moderate: 60

Unhealthy for Sensitive Groups: 63

Unhealthy: 40

Very Unhealthy: 0

Hazardous: 0

US AQI scale
AQI	Category
0–50	Good
51–100	Moderate
101–150	Unhealthy for Sensitive Groups
151–200	Unhealthy
201–300	Very Unhealthy
301+	Hazardous

Kluang air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Johor

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Kluang, Johor

During the week of 30 Sep – 6 Oct 2026, air quality at Kluang averaged an Air Pollutant Index (API) of 104.8 (Unhealthy). Readings peaked at 170.

Station weekly average

104.8API

Unhealthy · Tidak Sihat

Daily averages62.7 – 168.2 APIWed → Tue

Explore the week

Week's peak reading: 170UnhealthyPeak during 7-day window
Rank in Johor: #4of 8 stationsState avg: 111.8 API
Good to Moderate air: 60%of hourly readings163 readings recorded
National standing: #57of 68 stationsNational avg: 83.2 API

Seven days of station air quality

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, 30 Sep	116.7	84	152
Thu, 1 Oct	65.4	56	82
Fri, 2 Oct	62.7	59	70
Sat, 3 Oct	80.5	71	96
Sun, 4 Oct	133.6	97	153
Mon, 5 Oct	119.5	93	163
Tue, 6 Oct	168.2	164	170

The week, hour by hour

Bacaan setiap jam dari tengah malam hingga 11 malam

Read each row from midnight to 11pm, in Malaysia Time. Hourly air quality at Kluang shows local patterns like traffic peaks and afternoon haze accumulation.

050100150200APIBrighter cells ran hazier than the rest of this week (56 – 170 API)

Haziest hour of the week: Tue at 09:00 MYT, averaging API 170 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	152	152	151	143	136	129	129	131	135	129	121	117	113	112	103	102	110	98	96	93	90	88	86	84
Thu	82	80	79	77	76	75	73	72	70	68	65	62	60	58	57	56	56	57	57	57	57	58	58	59
Fri	59	60	60	60	60	60	60	60	61	61	61	61	60	60	61	62	63	65	66	68	69	69	69	70
Sat	71	72	73	74	74	75	75	75	75	76	77	78	79	81	82	84	85	85	86	87	89	91	93	96
Sun	97	99	100	107	117	131	140	150	151	152	152	153	153	153	153	153	152	152	149	140	125	119	108	100
Mon	98	97	97	96	95	94	94	93	93	94	93	94	96	99	119	149	152	154	156	158	160	161	162	163
Tue	164	166	167	167	168	168	169	169	169	170	170	170	170	169	169	168	168	168	167	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana60%97
UnhealthyTidak Sihat40%66
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 163 hourly station readings.

What it meant for this area

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

Nearby monitoring stations around Kluang

Perbandingan purata mingguan dengan stesen berhampiran

Batu Pahat120.4 API
Unhealthy51 away
Segamat108.4 API
Unhealthy71 away
Larkin128.3 API
Unhealthy77 away
Tangkak103 API
Unhealthy87 away

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	152	152	151	143	136	129	129	131	135	129	121	117	113	112	103	102	110	98	96	93	90	88	86	84
Thu	82	80	79	77	76	75	73	72	70	68	65	62	60	58	57	56	56	57	57	57	57	58	58	59
Fri	59	60	60	60	60	60	60	60	61	61	61	61	60	60	61	62	63	65	66	68	69	69	69	70
Sat	71	72	73	74	74	75	75	75	75	76	77	78	79	81	82	84	85	85	86	87	89	91	93	96
Sun	97	99	100	107	117	131	140	150	151	152	152	153	153	153	153	153	152	152	149	140	125	119	108	100
Mon	98	97	97	96	95	94	94	93	93	94	93	94	96	99	119	149	152	154	156	158	160	161	162	163
Tue	164	166	167	167	168	168	169	169	169	170	170	170	170	169	169	168	168	168	167	—	—	—	—	—

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	152	152	151	143	136	129	129	131	135	129	121	117	113	112	103	102	110	98	96	93	90	88	86	84
Thu	82	80	79	77	76	75	73	72	70	68	65	62	60	58	57	56	56	57	57	57	57	58	58	59
Fri	59	60	60	60	60	60	60	60	61	61	61	61	60	60	61	62	63	65	66	68	69	69	69	70
Sat	71	72	73	74	74	75	75	75	75	76	77	78	79	81	82	84	85	85	86	87	89	91	93	96
Sun	97	99	100	107	117	131	140	150	151	152	152	153	153	153	153	153	152	152	149	140	125	119	108	100
Mon	98	97	97	96	95	94	94	93	93	94	93	94	96	99	119	149	152	154	156	158	160	161	162	163
Tue	164	166	167	167	168	168	169	169	169	170	170	170	170	169	169	168	168	168	167	—	—	—	—	—