30 Sep – 6 Oct 2026 · Malaysia

Tangkak weekly air quality

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

116.2Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 99.6. 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

155 eligible observations · 0 excluded.

+22.7 AQI compared with the previous week’s eligible mean of 93.5.

Peak AQI: 171 at Tangkak · 6 Oct 2026, 10:00 (UTC+8).

Daily US AQI (PM2.5)

Low 74High 171AQI

30 Sept6 Oct

6 OctDaily mean · Peak 171163.2Avg AQI

Based on 11 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	133.4Unhealthy for Sensitive Groups	165	24 / 0
2026-10-01	89.1Moderate	105	24 / 0
2026-10-02	79.2Moderate	84	24 / 0
2026-10-03	98.6Moderate	126	24 / 0
2026-10-04	145Unhealthy for Sensitive Groups	152	24 / 0
2026-10-05	130.7Unhealthy for Sensitive Groups	155	24 / 0
2026-10-06	163.2Unhealthy	171	11 / 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	165	162	160	158	156	155	154	152	149	141	134	128	124	122	120	120	118	117	113	113	111	111	109	109
2026-10-01	105	103	103	101	99	97	97	96	94	93	91	90	87	86	83	81	80	78	78	80	80	80	78	78
2026-10-02	80	80	80	80	81	81	83	84	84	83	81	78	78	77	77	77	74	74	74	75	77	78	81	83
2026-10-03	83	84	86	86	86	87	88	87	87	88	91	94	96	97	103	103	107	107	109	113	117	120	122	126
2026-10-04	130	134	136	139	142	144	146	148	151	152	152	152	152	152	151	151	151	151	148	144	141	139	138	136
2026-10-05	134	130	128	126	122	120	118	117	117	117	117	118	117	120	124	128	134	138	144	151	152	154	155	155
2026-10-06	156	156	158	159	162	163	165	167	169	169	171	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 58

Unhealthy for Sensitive Groups: 63

Unhealthy: 34

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

Tangkak air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Johor

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

During the week of 30 Sep – 6 Oct 2026, air quality at Tangkak averaged an Air Pollutant Index (API) of 99.6 (Moderate). Readings peaked at 166.

Station weekly average

99.6API

Moderate · Sederhana

Daily averages66.6 – 160 APIWed → Tue

Explore the week

Week's peak reading: 166UnhealthyPeak during 7-day window
Rank in Johor: #3of 8 stationsState avg: 108.8 API
Good to Moderate air: 70%of hourly readings155 readings recorded
National standing: #55of 68 stationsNational avg: 82.1 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	115.2	85	161
Thu, 1 Oct	73.3	66	83
Fri, 2 Oct	66.6	63	70
Sat, 3 Oct	78.9	69	94
Sun, 4 Oct	129.8	96	152
Mon, 5 Oct	106.5	89	154
Tue, 6 Oct	160	155	166

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 Tangkak shows local patterns like traffic peaks and afternoon haze accumulation.

050100150200APIBrighter cells ran hazier than the rest of this week (63 – 166 API)

Haziest hour of the week: Tue at 10:00 MYT, averaging API 166 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	161	159	158	156	155	154	153	152	146	115	98	95	93	92	91	91	90	89	87	87	86	86	85	85
Thu	83	82	82	81	80	79	79	78	77	76	75	74	72	71	69	68	67	66	66	67	67	67	66	66
Fri	67	67	67	67	68	68	69	70	70	69	68	66	66	65	65	65	63	63	63	64	65	66	68	69
Sat	69	70	71	71	71	72	73	72	72	73	75	77	78	79	82	82	84	84	85	87	89	91	92	94
Sun	96	98	99	105	117	125	133	142	151	152	152	152	152	152	151	151	151	151	141	127	114	104	100	99
Mon	98	96	95	94	92	91	90	89	89	89	89	90	89	91	93	95	98	100	124	151	152	153	154	154
Tue	155	155	156	157	159	160	161	163	164	164	166	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana70%109
UnhealthyTidak Sihat30%46
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 155 hourly station readings.

What it meant for this area

Panduan kesihatan mengikut kategori kualiti udara

Air quality is acceptable. People with asthma, heart or lung conditions should reduce prolonged or heavy outdoor exertion.

Kualiti udara sederhana. Pesakit asma, jantung atau paru-paru dinasihatkan mengurangkan aktiviti berat di luar bangunan.

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 Tangkak

Perbandingan purata mingguan dengan stesen berhampiran

Bandaraya Melaka96.7 API
Moderate37 away
Segamat105.2 API
Unhealthy39 away
Alor Gajah85.7 API
Moderate40 away
Bukit Rambai93.6 API
Moderate42 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	161	159	158	156	155	154	153	152	146	115	98	95	93	92	91	91	90	89	87	87	86	86	85	85
Thu	83	82	82	81	80	79	79	78	77	76	75	74	72	71	69	68	67	66	66	67	67	67	66	66
Fri	67	67	67	67	68	68	69	70	70	69	68	66	66	65	65	65	63	63	63	64	65	66	68	69
Sat	69	70	71	71	71	72	73	72	72	73	75	77	78	79	82	82	84	84	85	87	89	91	92	94
Sun	96	98	99	105	117	125	133	142	151	152	152	152	152	152	151	151	151	151	141	127	114	104	100	99
Mon	98	96	95	94	92	91	90	89	89	89	89	90	89	91	93	95	98	100	124	151	152	153	154	154
Tue	155	155	156	157	159	160	161	163	164	164	166	—	—	—	—	—	—	—	—	—	—	—	—	—

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	161	159	158	156	155	154	153	152	146	115	98	95	93	92	91	91	90	89	87	87	86	86	85	85
Thu	83	82	82	81	80	79	79	78	77	76	75	74	72	71	69	68	67	66	66	67	67	67	66	66
Fri	67	67	67	67	68	68	69	70	70	69	68	66	66	65	65	65	63	63	63	64	65	66	68	69
Sat	69	70	71	71	71	72	73	72	72	73	75	77	78	79	82	82	84	84	85	87	89	91	92	94
Sun	96	98	99	105	117	125	133	142	151	152	152	152	152	152	151	151	151	151	141	127	114	104	100	99
Mon	98	96	95	94	92	91	90	89	89	89	89	90	89	91	93	95	98	100	124	151	152	153	154	154
Tue	155	155	156	157	159	160	161	163	164	164	166	—	—	—	—	—	—	—	—	—	—	—	—	—