21 – 27 Oct 2026 · Malaysia

Sandakan weekly air quality

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

66.5Weekly mean AQI · Moderate

Official DOE API mean: 57. 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

164 eligible observations · 0 excluded.

-53.9 AQI compared with the previous week’s eligible mean of 120.4.

Peak AQI: 80 at Sandakan · 25 Oct 2026, 12:00 (UTC+8).

Daily US AQI (PM2.5)

Low 52High 80AQI

21 Oct27 Oct

27 OctDaily mean · Peak 6765.3Avg AQI

Based on 20 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	54.3Moderate	59	24 / 0
2026-10-22	59.3Moderate	64	24 / 0
2026-10-23	65.2Moderate	67	24 / 0
2026-10-24	70Moderate	77	24 / 0
2026-10-25	78.2Moderate	80	24 / 0
2026-10-26	72.8Moderate	77	24 / 0
2026-10-27	65.3Moderate	67	20 / 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	59	59	58	58	55	55	54	54	55	53	52	53	53	54	53	53	54	53	53	53	53	52	53	53
2026-10-22	53	54	55	55	56	56	57	57	58	59	61	61	61	61	61	61	61	62	62	62	62	61	64	64
2026-10-23	64	64	64	64	64	64	64	64	64	65	62	64	65	65	67	67	67	67	67	67	67	67	67	65
2026-10-24	67	67	67	67	68	68	68	70	70	70	70	70	70	68	68	70	70	70	70	71	72	74	77	77
2026-10-25	75	77	77	78	78	78	78	77	77	77	77	78	80	80	80	80	78	80	80	80	80	78	77	77
2026-10-26	77	77	75	75	75	75	74	75	75	75	74	72	72	72	72	72	72	71	71	71	70	70	68	68
2026-10-27	67	67	67	67	67	67	67	65	65	65	65	65	64	64	64	64	64	64	64	64	—	—	—	—

Observation categories

Good: 0

Moderate: 164

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

Sandakan air quality.
Weekly station review.

21 – 27 Oct 20267 days · Sabah

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Sandakan, Sabah

During the week of 21 – 27 Oct 2026, air quality at Sandakan averaged an Air Pollutant Index (API) of 57 (Moderate). Readings peaked at 67.

Station weekly average

57API

Moderate · Sederhana

Daily averages44.9 – 65.9 APIWed → Tue

Explore the week

Week's peak reading: 67ModeratePeak during 7-day window
Rank in Sabah: #3of 6 stationsState avg: 60.4 API
Good to Moderate air: 100%of hourly readings164 readings recorded
National standing: #16of 68 stationsNational avg: 81.2 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, 21 Oct	44.9	41	53
Thu, 22 Oct	52.1	42	56
Fri, 23 Oct	56.9	55	58
Sat, 24 Oct	60.1	58	65
Sun, 25 Oct	65.9	64	67
Mon, 26 Oct	62.4	59	65
Tue, 27 Oct	57	56	58

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

020406080APIBrighter cells ran hazier than the rest of this week (41 – 67 API)

Haziest hour of the week: Sun at 12:00 MYT, averaging API 67 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	53	53	52	52	48	46	45	45	46	43	41	43	42	44	43	42	44	42	43	42	43	41	42	42
Thu	42	44	47	47	49	50	51	51	52	53	54	54	54	54	54	54	54	55	55	55	55	54	56	56
Fri	56	56	56	56	56	56	56	56	56	57	55	56	57	57	58	58	58	58	58	58	58	58	58	57
Sat	58	58	58	58	59	59	59	60	60	60	60	60	60	59	59	60	60	60	60	61	62	63	65	65
Sun	64	65	65	66	66	66	66	65	65	65	65	66	67	67	67	67	66	67	67	67	67	66	65	65
Mon	65	65	64	64	64	64	63	64	64	64	63	62	62	62	62	62	62	61	61	61	60	60	59	59
Tue	58	58	58	58	58	58	58	57	57	57	57	57	56	56	56	56	56	56	56	56	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik16%26
ModerateSederhana84%138
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 164 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

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	53	53	52	52	48	46	45	45	46	43	41	43	42	44	43	42	44	42	43	42	43	41	42	42
Thu	42	44	47	47	49	50	51	51	52	53	54	54	54	54	54	54	54	55	55	55	55	54	56	56
Fri	56	56	56	56	56	56	56	56	56	57	55	56	57	57	58	58	58	58	58	58	58	58	58	57
Sat	58	58	58	58	59	59	59	60	60	60	60	60	60	59	59	60	60	60	60	61	62	63	65	65
Sun	64	65	65	66	66	66	66	65	65	65	65	66	67	67	67	67	66	67	67	67	67	66	65	65
Mon	65	65	64	64	64	64	63	64	64	64	63	62	62	62	62	62	62	61	61	61	60	60	59	59
Tue	58	58	58	58	58	58	58	57	57	57	57	57	56	56	56	56	56	56	56	56	—	—	—	—

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	53	53	52	52	48	46	45	45	46	43	41	43	42	44	43	42	44	42	43	42	43	41	42	42
Thu	42	44	47	47	49	50	51	51	52	53	54	54	54	54	54	54	54	55	55	55	55	54	56	56
Fri	56	56	56	56	56	56	56	56	56	57	55	56	57	57	58	58	58	58	58	58	58	58	58	57
Sat	58	58	58	58	59	59	59	60	60	60	60	60	60	59	59	60	60	60	60	61	62	63	65	65
Sun	64	65	65	66	66	66	66	65	65	65	65	66	67	67	67	67	66	67	67	67	67	66	65	65
Mon	65	65	64	64	64	64	63	64	64	64	63	62	62	62	62	62	62	61	61	61	60	60	59	59
Tue	58	58	58	58	58	58	58	57	57	57	57	57	56	56	56	56	56	56	56	56	—	—	—	—