21 – 27 Oct 2026 · Malaysia

Alor Gajah weekly air quality

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

120.8Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 108.3. 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.

-48.1 AQI compared with the previous week’s eligible mean of 168.9.

Peak AQI: 160 at Alor Gajah · 21 Oct 2026, 00:00 (UTC+8).

Daily US AQI (PM2.5)

Low 28High 160AQI

21 Oct27 Oct

27 OctDaily mean · Peak 5957.4Avg 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	157.5Unhealthy	160	24 / 0
2026-10-22	138.4Unhealthy for Sensitive Groups	152	24 / 0
2026-10-23	143.1Unhealthy for Sensitive Groups	150	24 / 0
2026-10-24	156.9Unhealthy	160	24 / 0
2026-10-25	106.3Unhealthy for Sensitive Groups	159	24 / 0
2026-10-26	36.2Good	53	24 / 0
2026-10-27	57.4Moderate	59	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	160	160	160	160	160	160	160	160	160	160	159	160	158	156	156	155	155	155	155	155	155	154	154	152
2026-10-22	152	151	149	147	145	143	141	139	138	138	136	136	134	132	134	134	136	136	134	132	132	132	134	136
2026-10-23	139	141	144	145	145	145	144	143	142	141	141	142	142	141	140	138	136	139	143	146	148	150	150	150
2026-10-24	150	149	150	151	152	154	155	156	158	159	159	159	159	159	160	160	160	160	160	159	159	159	159	159
2026-10-25	159	156	155	152	150	143	136	128	122	115	109	105	101	97	93	88	86	80	75	71	65	61	55	49
2026-10-26	36	36	36	34	34	34	34	34	33	34	34	33	34	34	34	32	28	31	32	37	42	48	51	53
2026-10-27	55	56	58	59	59	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 23

Moderate: 17

Unhealthy for Sensitive Groups: 58

Unhealthy: 51

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

Alor Gajah air quality.
Weekly station review.

21 – 27 Oct 20267 days · Melaka

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Alor Gajah, Melaka

During the week of 21 – 27 Oct 2026, air quality at Alor Gajah averaged an Air Pollutant Index (API) of 108.3 (Unhealthy). Readings peaked at 158.

Station weekly average

108.3API

Unhealthy · Tidak Sihat

Daily averages27.5 – 156 APIWed → Tue

Explore the week

Week's peak reading: 158UnhealthyPeak during 7-day window
Rank in Melaka: #1of 3 stationsState avg: 115.6 API
Good to Moderate air: 43%of hourly readings149 readings recorded
National standing: #51of 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	156	152	158
Thu, 22 Oct	109.5	97	152
Fri, 23 Oct	121.8	99	150
Sat, 24 Oct	155.2	147	158
Sun, 25 Oct	91.5	37	157
Mon, 26 Oct	27.5	21	42
Tue, 27 Oct	50.6	46	53

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 Alor Gajah shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100125150175APIBrighter cells ran hazier than the rest of this week (21 – 158 API)

Haziest hour of the week: Wed at 00:00 MYT, averaging API 158 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	158	158	158	158	158	158	158	158	158	158	157	158	156	155	155	154	154	154	154	154	154	153	153	152
Thu	152	151	145	136	129	122	114	106	101	100	99	99	98	97	98	98	99	99	98	97	97	97	98	99
Fri	104	114	125	131	131	129	124	121	116	113	113	116	118	115	108	100	99	106	121	132	141	148	150	149
Sat	148	147	148	151	152	153	154	155	156	157	157	157	157	157	158	158	158	158	158	157	157	157	157	157
Sun	157	155	154	152	149	120	99	95	92	88	85	83	81	79	76	73	71	67	64	61	57	54	48	37
Mon	27	27	27	26	26	26	26	26	25	26	26	25	26	26	26	24	21	23	24	28	32	36	39	42
Tue	46	49	52	53	53	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik19%28
ModerateSederhana24%36
UnhealthyTidak Sihat57%85
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 Alor Gajah

Perbandingan purata mingguan dengan stesen berhampiran

Bukit Rambai124.2 API
Unhealthy12 away
Bandaraya Melaka114.2 API
Unhealthy20 away
Tangkak122.9 API
Unhealthy40 away
Port Dickson104.3 API
Unhealthy40 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	158	158	158	158	158	158	158	158	158	158	157	158	156	155	155	154	154	154	154	154	154	153	153	152
Thu	152	151	145	136	129	122	114	106	101	100	99	99	98	97	98	98	99	99	98	97	97	97	98	99
Fri	104	114	125	131	131	129	124	121	116	113	113	116	118	115	108	100	99	106	121	132	141	148	150	149
Sat	148	147	148	151	152	153	154	155	156	157	157	157	157	157	158	158	158	158	158	157	157	157	157	157
Sun	157	155	154	152	149	120	99	95	92	88	85	83	81	79	76	73	71	67	64	61	57	54	48	37
Mon	27	27	27	26	26	26	26	26	25	26	26	25	26	26	26	24	21	23	24	28	32	36	39	42
Tue	46	49	52	53	53	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

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	158	158	158	158	158	158	158	158	158	158	157	158	156	155	155	154	154	154	154	154	154	153	153	152
Thu	152	151	145	136	129	122	114	106	101	100	99	99	98	97	98	98	99	99	98	97	97	97	98	99
Fri	104	114	125	131	131	129	124	121	116	113	113	116	118	115	108	100	99	106	121	132	141	148	150	149
Sat	148	147	148	151	152	153	154	155	156	157	157	157	157	157	158	158	158	158	158	157	157	157	157	157
Sun	157	155	154	152	149	120	99	95	92	88	85	83	81	79	76	73	71	67	64	61	57	54	48	37
Mon	27	27	27	26	26	26	26	26	25	26	26	25	26	26	26	24	21	23	24	28	32	36	39	42
Tue	46	49	52	53	53	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—