14 – 20 Oct 2026 · Malaysia

Langkawi weekly air quality

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

63.9Weekly mean AQI · Moderate

Official DOE API mean: 54.3. 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

168 eligible observations · 0 excluded.

+5.3 AQI compared with the previous week’s eligible mean of 58.6.

Peak AQI: 83 at Langkawi · 16 Oct 2026, 22:00 (UTC+8).

Daily US AQI (PM2.5)

Low 42High 83AQI

14 Oct20 Oct

20 OctDaily mean · Peak 5549.8Avg AQI

Based on 24 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
2026-10-14	54.3Moderate	64	24 / 0
2026-10-15	71.3Moderate	77	24 / 0
2026-10-16	78.9Moderate	83	24 / 0
2026-10-17	75.8Moderate	83	24 / 0
2026-10-18	60.5Moderate	64	24 / 0
2026-10-19	57Moderate	58	24 / 0
2026-10-20	49.8Good	55	24 / 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
2026-10-14	51	51	51	52	51	52	52	52	52	52	52	53	52	53	53	54	55	55	56	58	59	61	62	64
2026-10-15	64	65	65	67	67	68	68	68	70	70	70	70	71	72	74	74	75	77	77	77	77	75	75	75
2026-10-16	75	75	75	75	75	75	77	77	77	78	80	81	81	81	81	81	81	81	80	80	81	81	83	83
2026-10-17	83	83	83	83	83	81	81	80	78	78	78	77	77	75	74	74	72	71	71	70	68	68	67	65
2026-10-18	64	64	64	64	64	62	62	62	62	61	59	59	59	59	59	59	59	59	59	59	58	58	58	58
2026-10-19	58	58	58	58	57	57	57	57	57	58	58	58	58	58	57	56	57	57	56	56	56	55	55	55
2026-10-20	55	55	55	55	55	55	55	55	55	54	53	52	51	51	48	47	45	44	44	42	42	42	42	42

Observation categories

Good: 10

Moderate: 158

Unhealthy for Sensitive Groups: 0

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.

14 – 20 Oct 20267 days · Kedah

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

During the week of 14 – 20 Oct 2026, air quality at Langkawi averaged an Air Pollutant Index (API) of 54.3 (Moderate). Readings peaked at 69.

Station weekly average

54.3API

Moderate · Sederhana

Daily averages39.6 – 66.5 APIWed → Tue

Explore the week

Week's peak reading: 69ModeratePeak during 7-day window
Rank in Kedah: #1of 4 stationsState avg: 65.4 API
Good to Moderate air: 100%of hourly readings168 readings recorded
National standing: #2of 68 stationsNational avg: 108.7 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 · 0–80 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, 14 Oct	44.3	38	56
Thu, 15 Oct	61.2	56	65
Fri, 16 Oct	66.5	64	69
Sat, 17 Oct	64.3	57	69
Sun, 18 Oct	53.8	52	56
Mon, 19 Oct	50.7	47	52
Tue, 20 Oct	39.6	32	47

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.

020406080APIBrighter cells ran hazier than the rest of this week (32 – 69 API)

Haziest hour of the week: Fri at 22:00 MYT, averaging API 69 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	38	39	39	40	39	40	41	41	40	40	41	42	41	42	43	44	46	48	50	52	53	54	55	56
Thu	56	57	57	58	58	59	59	59	60	60	60	60	61	62	63	63	64	65	65	65	65	64	64	64
Fri	64	64	64	64	64	64	65	65	65	66	67	68	68	68	68	68	68	68	67	67	68	68	69	69
Sat	69	69	69	69	69	68	68	67	66	66	66	65	65	64	63	63	62	61	61	60	59	59	58	57
Sun	56	56	56	56	56	55	55	55	55	54	53	53	53	53	53	53	53	53	53	53	52	52	52	52
Mon	52	52	52	52	51	51	51	51	51	52	52	52	52	52	51	50	51	51	49	49	49	48	48	47
Tue	47	46	46	46	47	46	46	46	46	44	42	40	39	38	36	35	34	33	33	32	32	32	32	32

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik30%50
ModerateSederhana70%118
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 168 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

Kangar57.1 API
Moderate40 away
Alor Setar61.3 API
Moderate58 away
Sungai Petani75.1 API
Moderate103 away
Balik Pulau59.7 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	38	39	39	40	39	40	41	41	40	40	41	42	41	42	43	44	46	48	50	52	53	54	55	56
Thu	56	57	57	58	58	59	59	59	60	60	60	60	61	62	63	63	64	65	65	65	65	64	64	64
Fri	64	64	64	64	64	64	65	65	65	66	67	68	68	68	68	68	68	68	67	67	68	68	69	69
Sat	69	69	69	69	69	68	68	67	66	66	66	65	65	64	63	63	62	61	61	60	59	59	58	57
Sun	56	56	56	56	56	55	55	55	55	54	53	53	53	53	53	53	53	53	53	53	52	52	52	52
Mon	52	52	52	52	51	51	51	51	51	52	52	52	52	52	51	50	51	51	49	49	49	48	48	47
Tue	47	46	46	46	47	46	46	46	46	44	42	40	39	38	36	35	34	33	33	32	32	32	32	32

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	38	39	39	40	39	40	41	41	40	40	41	42	41	42	43	44	46	48	50	52	53	54	55	56
Thu	56	57	57	58	58	59	59	59	60	60	60	60	61	62	63	63	64	65	65	65	65	64	64	64
Fri	64	64	64	64	64	64	65	65	65	66	67	68	68	68	68	68	68	68	67	67	68	68	69	69
Sat	69	69	69	69	69	68	68	67	66	66	66	65	65	64	63	63	62	61	61	60	59	59	58	57
Sun	56	56	56	56	56	55	55	55	55	54	53	53	53	53	53	53	53	53	53	53	52	52	52	52
Mon	52	52	52	52	51	51	51	51	51	52	52	52	52	52	51	50	51	51	49	49	49	48	48	47
Tue	47	46	46	46	47	46	46	46	46	44	42	40	39	38	36	35	34	33	33	32	32	32	32	32