21 – 27 Oct 2026 · Malaysia

Melaka weekly air quality

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

122.8Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 112. 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

471 eligible observations · 3 excluded.

-49.6 AQI compared with the previous week’s eligible mean of 172.4.

Peak AQI: 182 at Bukit Rambai · 21 Oct 2026, 06:00 (UTC+8).

Daily US AQI (PM2.5)

Low 28High 182AQI

21 Oct27 Oct

27 OctDaily mean · Peak 6859.1Avg AQI

Based on 42 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	166.9Unhealthy	182	72 / 0
2026-10-22	146.8Unhealthy for Sensitive Groups	175	72 / 0
2026-10-23	146.8Unhealthy for Sensitive Groups	159	72 / 0
2026-10-24	161.4Unhealthy	170	72 / 0
2026-10-25	103.7Unhealthy for Sensitive Groups	162	72 / 0
2026-10-26	45.2Good	55	69 / 3
2026-10-27	59.1Moderate	68	42 / 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	167	168	168	169	169	169	169.3	169.3	169.3	169	168.7	168.7	167.3	166.3	165.7	164.7	165.3	165.3	165.7	165.3	165.3	164.3	163.7	162.3
2026-10-22	161	160.3	159	157.3	156	154	153	151.7	150.3	149.3	147.7	147	146.7	145.3	144.3	143.7	144	142	139	135.3	135	133.7	133.3	134.3
2026-10-23	135.7	137.7	140.7	142.7	143.3	145	145.3	145.7	145.7	145.7	146.3	146.3	146	146.7	147.7	147	147.3	148.7	150.7	152	153	154.7	154.7	155
2026-10-24	156	155.7	156	157.3	158	159	160.7	161.7	163.7	164.7	164.7	165	164.7	164	164	164	163.3	163	162.7	162.3	162	161.3	160.7	160.3
2026-10-25	159.7	156.7	155	151.7	147	139.3	130.7	123.7	116.3	107.7	103	99.3	96	92.7	89	85.7	82.3	77.3	72.7	69.7	64.7	61	56	51.3
2026-10-26	44.7	44.7	45.3	44.7	45.7	45.3	45.3	44.7	44.3	46.3	46	45.3	44	43.7	43	41.7	41.3	42.3	43	44.5	48	51	51.3	52.3
2026-10-27	53.7	54.7	55.7	56.7	57.3	59	59.7	59.7	61	60.3	61.3	62.3	62.7	63	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 38

Moderate: 111

Unhealthy for Sensitive Groups: 111

Unhealthy: 211

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

Stations by US AQI

Sorted by eligible mean AQI. Counts show the available coverage.

Location	Mean AQI	Peak AQI	Official DOE API mean	Eligible / excluded
Bukit Rambai	128.4Unhealthy for Sensitive Groups	182	120.2	158 / 0
Bandaraya Melaka	122.4Unhealthy for Sensitive Groups	170	110.5	155 / 3
Alor Gajah	117.6Unhealthy for Sensitive Groups	160	105.3	158 / 0

Melaka air quality.
Weekly state review.

21 – 27 Oct 20267 days · 3 monitoring stations

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi negeri Melaka

Across Melaka, air quality for the week of 21 – 27 Oct 2026 averaged an Air Pollutant Index (API) of 112 (Unhealthy).

State weekly average

112API

Unhealthy · Tidak Sihat

Daily averages34.7 – 162.8 APIWed → Tue

Explore the week

State's peak reading: 174Bukit RambaiPeak reading across state
Cleanest area in state: 105.3Alor GajahLowest weekly average
Good to Moderate air: 42%of all readings474 readings
National standing: #14of 16 states/territoriesNational avg: 82.1 API

Seven days of air quality in Melaka

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, 21 Oct	162.8	152	174
Thu, 22 Oct	128.4	95	169
Fri, 23 Oct	133.5	95	157
Sat, 24 Oct	158.7	147	165
Sun, 25 Oct	89.4	37	159
Mon, 26 Oct	34.7	21	47
Tue, 27 Oct	51.5	38	59

Monitoring stations in Melaka

Kedudukan stesen pemantauan di seluruh negeri mengikut purata mingguan

Scale 0 – 175

Alor Gajah105.3avg
Melaka
21Unhealthy158
Bukit Rambai120.2avg
Melaka
35Unhealthy174
Bandaraya Melaka110.5avg
Melaka
32Unhealthy165

The week, hour by hour

Purata negeri bagi setiap jam sepanjang tujuh hari

Read each row from midnight to 11pm, in Malaysia Time. Hourly state averages show when air quality shifted during each day of the week.

0255075100125150175APIBrighter cells ran hazier than the rest of this week (31.3 – 164.7 API)

Haziest hour of the week: Wed at 06:00 MYT, averaging API 164.7 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	163	163.7	163.7	164.3	164.3	164.3	164.7	164.7	164.7	164.3	164	164	163	162.3	162	161	161.7	161.7	162	161.7	161.7	160.7	160.3	159.3
Thu	158.7	158	155.3	151.7	148.7	145.7	142.7	139.3	136.3	133.7	131	130	130.7	129	123	119.3	118.3	117	113.3	101.7	102	99	97.7	99.7
Fri	103	109.7	118.3	125	126.7	127	128.3	130.7	131	131	132.3	132	132	134.3	137	134.3	134.7	137.3	142.7	146.7	150	153	153.7	153.7
Sat	154	153.7	154	155.7	156.3	157	158	159	160.3	161	161	161.3	161	160.7	160.7	160.7	160.3	160	159.7	159.3	159	158.7	158.3	158
Sun	157.3	155.3	154	150.7	136.7	112.7	96.3	92.7	89	84.3	81.7	79.7	78	76	73.3	71	68.7	65.3	62.3	60	56.7	54	49.3	40
Mon	33.7	33.7	34.3	34	34.7	34.3	34.3	34	33.7	36	35.7	34.3	33.3	33.3	32.7	31.7	31.3	32	32.7	34	36.7	38.7	40.7	42
Tue	44	46.3	47.7	49	50	51.3	52.7	52.7	53.3	53	54.3	55	55.3	55.7	—	—	—	—	—	—	—	—	—	—

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik19%90
ModerateSederhana23%111
UnhealthyTidak Sihat58%273
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 474 hourly station readings.

Health guidelines

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