30 Sep – 6 Oct 2026 · Malaysia

Langkawi weekly air quality

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

63.3Weekly mean AQI · Moderate

Official DOE API mean: 51. 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

162 eligible observations · 0 excluded.

+17.9 AQI compared with the previous week’s eligible mean of 45.4.

Peak AQI: 124 at Langkawi · 30 Sept 2026, 11:00 (UTC+8).

Daily US AQI (PM2.5)

Low 38High 124AQI

30 Sept6 Oct

6 OctDaily mean · Peak 4440.3Avg AQI

Based on 18 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	111.5Unhealthy for Sensitive Groups	124	24 / 0
2026-10-01	72.3Moderate	86	24 / 0
2026-10-02	69.1Moderate	71	24 / 0
2026-10-03	56.4Moderate	65	24 / 0
2026-10-04	46Good	51	24 / 0
2026-10-05	41.5Good	44	24 / 0
2026-10-06	40.3Good	44	18 / 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	107	109	111	113	115	117	118	120	120	122	122	124	124	122	120	118	113	109	105	101	96	93	90	88
2026-10-01	86	84	83	81	80	78	77	75	74	71	70	70	67	67	67	67	68	68	67	67	67	67	67	67
2026-10-02	67	68	68	68	70	70	70	71	71	71	71	70	71	71	71	70	70	70	68	68	67	67	65	65
2026-10-03	65	65	64	62	61	59	59	58	58	57	56	55	55	55	54	54	53	52	52	52	52	52	52	51
2026-10-04	51	49	49	51	51	49	49	48	49	49	49	47	45	42	42	42	44	44	44	44	42	42	41	41
2026-10-05	40	40	40	41	40	41	42	42	42	42	41	41	41	41	42	44	42	42	44	42	42	42	42	41
2026-10-06	41	41	40	40	40	40	38	38	38	38	40	41	44	42	41	42	41	40	—	—	—	—	—	—

Observation categories

Good: 63

Moderate: 79

Unhealthy for Sensitive Groups: 20

Unhealthy: 0

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

Langkawi air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Kedah

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Langkawi, Kedah

During the week of 30 Sep – 6 Oct 2026, air quality at Langkawi averaged an Air Pollutant Index (API) of 51 (Moderate). Readings peaked at 93.

Station weekly average

51API

Moderate · Sederhana

Daily averages30.4 – 86.3 APIWed → Tue

Explore the week

Week's peak reading: 93ModeratePeak during 7-day window
Rank in Kedah: #1of 4 stationsState avg: 60.5 API
Good to Moderate air: 100%of hourly readings162 readings recorded
National standing: #2of 68 stationsNational avg: 83 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 · 0–100 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	86.3	73	93
Thu, 1 Oct	61.8	58	71
Fri, 2 Oct	59.6	57	61
Sat, 3 Oct	47.6	39	57
Sun, 4 Oct	34.7	31	38
Mon, 5 Oct	31.5	30	33
Tue, 6 Oct	30.4	29	33

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

0255075100APIBrighter cells ran hazier than the rest of this week (29 – 93 API)

Haziest hour of the week: Wed at 11:00 MYT, averaging API 93 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	84	85	86	87	88	89	90	91	91	92	92	93	93	92	91	90	87	85	83	81	78	76	74	73
Thu	71	70	69	68	67	66	65	64	63	61	60	60	58	58	58	58	59	59	58	58	58	58	58	58
Fri	58	59	59	59	60	60	60	61	61	61	61	60	61	61	61	60	60	60	59	59	58	58	57	57
Sat	57	57	56	55	54	53	53	52	52	51	49	48	46	46	44	44	43	41	41	41	41	40	40	39
Sun	38	37	37	38	38	37	37	36	37	37	37	35	34	32	32	32	33	33	33	33	32	32	31	31
Mon	30	30	30	31	30	31	32	32	32	32	31	31	31	31	32	33	32	32	33	32	32	32	32	31
Tue	31	31	30	30	30	30	29	29	29	29	30	31	33	32	31	32	31	30	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik49%80
ModerateSederhana51%82
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 162 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 Langkawi

Perbandingan purata mingguan dengan stesen berhampiran

Kangar50.7 API
Moderate40 away
Alor Setar61.4 API
Moderate58 away
Sungai Petani69.8 API
Moderate103 away
Balik Pulau58.5 API
Moderate117 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	84	85	86	87	88	89	90	91	91	92	92	93	93	92	91	90	87	85	83	81	78	76	74	73
Thu	71	70	69	68	67	66	65	64	63	61	60	60	58	58	58	58	59	59	58	58	58	58	58	58
Fri	58	59	59	59	60	60	60	61	61	61	61	60	61	61	61	60	60	60	59	59	58	58	57	57
Sat	57	57	56	55	54	53	53	52	52	51	49	48	46	46	44	44	43	41	41	41	41	40	40	39
Sun	38	37	37	38	38	37	37	36	37	37	37	35	34	32	32	32	33	33	33	33	32	32	31	31
Mon	30	30	30	31	30	31	32	32	32	32	31	31	31	31	32	33	32	32	33	32	32	32	32	31
Tue	31	31	30	30	30	30	29	29	29	29	30	31	33	32	31	32	31	30	—	—	—	—	—	—

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	84	85	86	87	88	89	90	91	91	92	92	93	93	92	91	90	87	85	83	81	78	76	74	73
Thu	71	70	69	68	67	66	65	64	63	61	60	60	58	58	58	58	59	59	58	58	58	58	58	58
Fri	58	59	59	59	60	60	60	61	61	61	61	60	61	61	61	60	60	60	59	59	58	58	57	57
Sat	57	57	56	55	54	53	53	52	52	51	49	48	46	46	44	44	43	41	41	41	41	40	40	39
Sun	38	37	37	38	38	37	37	36	37	37	37	35	34	32	32	32	33	33	33	33	32	32	31	31
Mon	30	30	30	31	30	31	32	32	32	32	31	31	31	31	32	33	32	32	33	32	32	32	32	31
Tue	31	31	30	30	30	30	29	29	29	29	30	31	33	32	31	32	31	30	—	—	—	—	—	—