21 – 27 Oct 2026 · Malaysia

Tangkak weekly air quality

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

130.8Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 122.9. 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

149 eligible observations · 0 excluded.

-34.7 AQI compared with the previous week’s eligible mean of 165.5.

Peak AQI: 167 at Tangkak · 24 Oct 2026, 11:00 (UTC+8).

Daily US AQI (PM2.5)

Low 61High 167AQI

21 Oct27 Oct

27 OctDaily mean · Peak 7068Avg AQI

Based on 5 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
2026-10-21	148Unhealthy for Sensitive Groups	155	24 / 0
2026-10-22	151.1Unhealthy	154	24 / 0
2026-10-23	150.6Unhealthy	158	24 / 0
2026-10-24	163.9Unhealthy	167	24 / 0
2026-10-25	118.7Unhealthy for Sensitive Groups	160	24 / 0
2026-10-26	65.5Moderate	70	24 / 0
2026-10-27	68Moderate	70	5 / 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
2026-10-21	155	155	155	155	155	155	154	154	154	152	150	147	145	142	139	139	140	138	139	141	145	147	146	149
2026-10-22	149	151	151	152	152	152	152	152	154	154	154	154	152	152	152	152	152	151	151	150	147	146	148	146
2026-10-23	146	147	146	146	146	147	147	148	148	146	149	149	151	152	152	152	152	154	154	155	155	156	158	158
2026-10-24	159	159	160	160	162	163	163	165	165	166	166	167	166	166	166	166	166	166	166	165	165	163	162	162
2026-10-25	160	160	158	156	154	152	147	141	136	128	122	117	115	113	107	103	97	93	90	87	84	80	77	72
2026-10-26	68	65	64	64	64	65	65	68	70	70	70	68	68	65	64	64	64	64	62	61	62	64	65	67
2026-10-27	67	67	68	68	70	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 37

Unhealthy for Sensitive Groups: 42

Unhealthy: 70

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.

21 – 27 Oct 20267 days · Johor

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

During the week of 21 – 27 Oct 2026, air quality at Tangkak averaged an Air Pollutant Index (API) of 122.9 (Unhealthy). Readings peaked at 163.

Station weekly average

122.9API

Unhealthy · Tidak Sihat

Daily averages57.1 – 160.5 APIWed → Tue

Explore the week

Week's peak reading: 163UnhealthyPeak during 7-day window
Rank in Johor: #7of 8 stationsState avg: 110.8 API
Good to Moderate air: 30%of hourly readings149 readings recorded
National standing: #63of 68 stationsNational avg: 83.6 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 · 0–175 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, 21 Oct	135.6	101	154
Thu, 22 Oct	149.2	133	153
Fri, 23 Oct	145.6	134	156
Sat, 24 Oct	160.5	157	163
Sun, 25 Oct	102.7	62	158
Mon, 26 Oct	57.1	54	60
Tue, 27 Oct	58.8	58	60

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.

0255075100125150175APIBrighter cells ran hazier than the rest of this week (54 – 163 API)

Haziest hour of the week: Sat at 11:00 MYT, averaging API 163 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	154	154	154	154	154	154	153	153	153	152	148	137	130	118	105	106	108	101	105	114	129	139	134	146
Thu	147	151	151	152	152	152	152	152	153	153	153	153	152	152	152	152	152	151	151	149	139	133	143	133
Fri	135	137	134	135	134	136	138	140	141	135	144	146	151	152	152	152	152	153	153	154	154	155	156	156
Sat	157	157	158	158	159	160	160	161	161	162	162	163	162	162	162	162	162	162	162	161	161	160	159	159
Sun	158	158	156	155	153	152	138	113	99	95	92	89	88	87	84	82	79	76	74	72	70	67	65	62
Mon	59	57	56	56	56	57	57	59	60	60	60	59	59	57	56	56	56	56	55	54	55	56	57	58
Tue	58	58	59	59	60	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana30%45
UnhealthyTidak Sihat70%104
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 149 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 Tangkak

Perbandingan purata mingguan dengan stesen berhampiran

Bandaraya Melaka114.2 API
Unhealthy37 away
Segamat100.8 API
Unhealthy39 away
Alor Gajah108.3 API
Unhealthy40 away
Bukit Rambai124.2 API
Unhealthy42 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	154	154	154	154	154	154	153	153	153	152	148	137	130	118	105	106	108	101	105	114	129	139	134	146
Thu	147	151	151	152	152	152	152	152	153	153	153	153	152	152	152	152	152	151	151	149	139	133	143	133
Fri	135	137	134	135	134	136	138	140	141	135	144	146	151	152	152	152	152	153	153	154	154	155	156	156
Sat	157	157	158	158	159	160	160	161	161	162	162	163	162	162	162	162	162	162	162	161	161	160	159	159
Sun	158	158	156	155	153	152	138	113	99	95	92	89	88	87	84	82	79	76	74	72	70	67	65	62
Mon	59	57	56	56	56	57	57	59	60	60	60	59	59	57	56	56	56	56	55	54	55	56	57	58
Tue	58	58	59	59	60	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

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	154	154	154	154	154	154	153	153	153	152	148	137	130	118	105	106	108	101	105	114	129	139	134	146
Thu	147	151	151	152	152	152	152	152	153	153	153	153	152	152	152	152	152	151	151	149	139	133	143	133
Fri	135	137	134	135	134	136	138	140	141	135	144	146	151	152	152	152	152	153	153	154	154	155	156	156
Sat	157	157	158	158	159	160	160	161	161	162	162	163	162	162	162	162	162	162	162	161	161	160	159	159
Sun	158	158	156	155	153	152	138	113	99	95	92	89	88	87	84	82	79	76	74	72	70	67	65	62
Mon	59	57	56	56	56	57	57	59	60	60	60	59	59	57	56	56	56	56	55	54	55	56	57	58
Tue	58	58	59	59	60	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—