14 – 20 Oct 2026 · Malaysia

Kedah weekly air quality

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

78.4Weekly mean AQI · Moderate

Official DOE API mean: 65.4. 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

672 eligible observations · 0 excluded.

-8.8 AQI compared with the previous week’s eligible mean of 87.2.

Peak AQI: 118 at Sungai Petani · 19 Oct 2026, 23:00 (UTC+8).

Daily US AQI (PM2.5)

Low 42High 118AQI

14 Oct20 Oct

20 OctDaily mean · Peak 11880.3Avg AQI

Based on 96 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	71.4Moderate	94	96 / 0
2026-10-15	82.9Moderate	101	96 / 0
2026-10-16	85.4Moderate	94	96 / 0
2026-10-17	77Moderate	87	96 / 0
2026-10-18	72Moderate	88	96 / 0
2026-10-19	79.6Moderate	118	96 / 0
2026-10-20	80.3Moderate	118	96 / 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	67.8	67.5	68	68	67.8	68.5	69	69	69	69.3	69.5	70.3	68.8	69.5	70.3	72	73	74.5	75	75.8	76	77.8	78	79.3
2026-10-15	79.3	80	80	80.8	81	81.3	81.8	81.8	82.8	82.8	82.3	83.5	85	85.5	86.5	86	86	85.8	84.8	84.3	83.3	82.5	82	82.3
2026-10-16	82.5	83.3	83.8	83.5	84	84.8	85.3	85	85	86	86.5	86.3	86.3	87	86.8	86.8	87.3	87.5	87	86.8	86	84.8	84.5	83.5
2026-10-17	83.3	82.5	82	81.8	81	79.5	79.3	79.3	78.8	78.8	78.3	78	78	76	76.3	75	74	72.8	72.3	71.8	72	72.3	72.3	72.8
2026-10-18	73	72.8	73	73.3	72.8	72.3	72	72.5	72	71.8	71.3	70.5	70.5	71.3	71	71.3	71.3	71.8	71.8	72	72.3	72.5	72.3	72.5
2026-10-19	72.8	73.5	73.5	73.8	74	74.5	75	75	76	76.5	76.8	77.8	80	80.3	81.8	83	84.3	84.8	85.5	85.5	86.5	86.8	86.8	87.3
2026-10-20	87.8	87	87	87.5	87.5	87.5	87.5	87.5	87.3	86.5	86.3	85.3	82	80.3	77.5	77	75	73.8	72.5	71.8	70.3	69	68	66.8

Observation categories

Good: 10

Moderate: 611

Unhealthy for Sensitive Groups: 51

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

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
Sungai Petani	92.1Moderate	118	75.1	168 / 0
Kulim Hi-Tech	85.8Moderate	109	71	168 / 0
Alor Setar	71.6Moderate	91	61.3	168 / 0
Langkawi	63.9Moderate	83	54.3	168 / 0

Kedah air quality.
Weekly state review.

14 – 20 Oct 20267 days · 4 monitoring stations

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi negeri Kedah

Across Kedah, air quality for the week of 14 – 20 Oct 2026 averaged an Air Pollutant Index (API) of 65.4 (Moderate).

State weekly average

65.4API

Moderate · Sederhana

Daily averages59.9 – 70.9 APIWed → Tue

Explore the week

State's peak reading: 90Sungai PetaniPeak reading across state
Cleanest area in state: 54.3LangkawiLowest weekly average
Good to Moderate air: 100%of all readings672 readings
National standing: #3of 16 states/territoriesNational avg: 108.7 API

Seven days of air quality in Kedah

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, 14 Oct	59.9	38	77
Thu, 15 Oct	69.2	56	81
Fri, 16 Oct	70.9	64	77
Sat, 17 Oct	65.1	57	72
Sun, 18 Oct	61.7	52	73
Mon, 19 Oct	66.3	47	90
Tue, 20 Oct	64.8	32	90

Monitoring stations in Kedah

Kedudukan stesen pemantauan di seluruh negeri mengikut purata mingguan

Scale 0 – 100

Langkawi54.3avg
Kedah
32Moderate69
Alor Setar61.3avg
Kedah
44Moderate75
Sungai Petani75.1avg
Kedah
67Moderate90
Kulim Hi-Tech71avg
Kedah
57Moderate85

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.

020406080APIBrighter cells ran hazier than the rest of this week (54.5 – 72.3 API)

Haziest hour of the week: Fri at 16:00 MYT, averaging API 72.3 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	56.5	56.5	56.8	57	56.8	57.3	57.8	57.8	57.5	57.8	58.3	58.8	57.8	58.3	59	60.3	61.3	62.8	63.5	64.3	64.5	65.5	65.8	66.8
Thu	66.8	67.3	67.3	67.8	68	68.3	68.5	68.5	69	69	68.8	69.5	70.5	71	71.5	71.3	71.3	71	70.5	70	69.5	69	68.8	69
Fri	69	69.5	69.8	69.5	70	70.5	70.8	70.8	70.8	71.3	71.5	71.5	71.5	72	71.8	72	72.3	72.3	72	71.8	71.5	70.5	70.3	69.5
Sat	69.3	68.8	68.5	68.3	67.8	67	66.8	66.5	66.3	66.3	66	65.8	65.8	64.5	64.5	63.8	63	62.3	62	61.5	61.5	61.8	61.8	62
Sun	62.3	62	62.3	62.5	62.3	62	61.8	62.3	61.8	61.5	61.3	60.8	60.8	61.3	61	61.3	61.3	61.5	61.5	61.8	61.8	62	62	62
Mon	62.3	62.8	62.8	63	63	63.3	63.8	63.8	64.3	64.8	65	65.5	66.8	67	67.8	68.3	69.3	69.5	69.5	69.5	70	70	70	70.3
Tue	70.5	69.8	69.8	70	70.3	70	70	70	69.8	69	68.5	67.5	65.8	64.5	63	62.5	61.5	60.5	59.8	59	57.8	56.5	55.8	54.5

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik8%55
ModerateSederhana92%617
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 672 hourly station readings.

Health guidelines

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