30 Sep – 6 Oct 2026 · Malaysia

Sibu weekly air quality

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

83.4Weekly mean AQI · Moderate

Official DOE API mean: 69. 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.

-23.4 AQI compared with the previous week’s eligible mean of 106.8.

Peak AQI: 105 at Sibu · 3 Oct 2026, 12:00 (UTC+8).

Daily US AQI (PM2.5)

Low 54High 105AQI

30 Sept6 Oct

6 OctDaily mean · Peak 10193.9Avg 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	62.5Moderate	72	24 / 0
2026-10-01	56.2Moderate	59	24 / 0
2026-10-02	76.4Moderate	93	24 / 0
2026-10-03	100Moderate	105	24 / 0
2026-10-04	97Moderate	103	24 / 0
2026-10-05	100.5Unhealthy for Sensitive Groups	105	24 / 0
2026-10-06	93.9Moderate	101	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	72	71	71	71	70	68	68	67	64	62	61	59	58	57	56	56	56	58	59	59	59	59	59	59
2026-10-01	59	58	58	58	57	57	56	56	55	55	55	55	55	55	55	55	55	54	54	55	56	57	59	59
2026-10-02	61	62	64	64	65	67	68	68	70	70	71	72	72	75	78	83	86	90	90	90	91	91	93	93
2026-10-03	93	94	94	96	96	97	97	97	99	99	103	103	105	105	103	103	103	101	103	103	101	101	101	103
2026-10-04	103	103	101	101	101	99	97	97	97	96	96	96	96	96	96	96	94	93	94	96	96	96	94	94
2026-10-05	94	94	96	96	96	97	99	99	101	101	101	101	103	103	103	105	103	103	103	103	103	103	103	103
2026-10-06	101	99	99	97	97	96	94	94	93	91	93	91	91	91	91	91	91	90	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 126

Unhealthy for Sensitive Groups: 36

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

Sibu air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Sarawak

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Sibu, Sarawak

During the week of 30 Sep – 6 Oct 2026, air quality at Sibu averaged an Air Pollutant Index (API) of 69 (Moderate). Readings peaked at 83.

Station weekly average

69API

Moderate · Sederhana

Daily averages49 – 80.7 APIWed → Tue

Explore the week

Week's peak reading: 83ModeratePeak during 7-day window
Rank in Sarawak: #6of 13 stationsState avg: 72.9 API
Good to Moderate air: 100%of hourly readings162 readings recorded
National standing: #20of 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	55	49	62
Thu, 1 Oct	49	44	53
Fri, 2 Oct	64.7	54	76
Sat, 3 Oct	80.4	76	83
Sun, 4 Oct	78.7	76	82
Mon, 5 Oct	80.7	77	83
Tue, 6 Oct	76.8	74	81

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

0255075100APIBrighter cells ran hazier than the rest of this week (44 – 83 API)

Haziest hour of the week: Sat at 12:00 MYT, averaging API 83 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	62	61	61	61	60	59	59	58	56	55	54	53	52	51	50	49	50	52	53	53	53	53	53	53
Thu	53	52	52	52	51	51	49	49	48	48	46	47	48	48	47	47	46	44	45	47	49	51	53	53
Fri	54	55	56	56	57	58	59	59	60	60	61	62	62	64	66	69	71	74	74	74	75	75	76	76
Sat	76	77	77	78	78	79	79	79	80	80	82	82	83	83	82	82	82	81	82	82	81	81	81	82
Sun	82	82	81	81	81	80	79	79	79	78	78	78	78	78	78	78	77	76	77	78	78	78	77	77
Mon	77	77	78	78	78	79	80	80	81	81	81	81	82	82	82	83	82	82	82	82	82	82	82	82
Tue	81	80	80	79	79	78	77	77	76	75	76	75	75	75	75	75	75	74	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik11%18
ModerateSederhana89%144
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 Sibu

Perbandingan purata mingguan dengan stesen berhampiran

Sarikei69.7 API
Moderate40 away
Mukah65.9 API
Moderate65 away
Kapit68.3 API
Moderate126 away
Sri Aman88.4 API
Moderate128 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	62	61	61	61	60	59	59	58	56	55	54	53	52	51	50	49	50	52	53	53	53	53	53	53
Thu	53	52	52	52	51	51	49	49	48	48	46	47	48	48	47	47	46	44	45	47	49	51	53	53
Fri	54	55	56	56	57	58	59	59	60	60	61	62	62	64	66	69	71	74	74	74	75	75	76	76
Sat	76	77	77	78	78	79	79	79	80	80	82	82	83	83	82	82	82	81	82	82	81	81	81	82
Sun	82	82	81	81	81	80	79	79	79	78	78	78	78	78	78	78	77	76	77	78	78	78	77	77
Mon	77	77	78	78	78	79	80	80	81	81	81	81	82	82	82	83	82	82	82	82	82	82	82	82
Tue	81	80	80	79	79	78	77	77	76	75	76	75	75	75	75	75	75	74	—	—	—	—	—	—

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	62	61	61	61	60	59	59	58	56	55	54	53	52	51	50	49	50	52	53	53	53	53	53	53
Thu	53	52	52	52	51	51	49	49	48	48	46	47	48	48	47	47	46	44	45	47	49	51	53	53
Fri	54	55	56	56	57	58	59	59	60	60	61	62	62	64	66	69	71	74	74	74	75	75	76	76
Sat	76	77	77	78	78	79	79	79	80	80	82	82	83	83	82	82	82	81	82	82	81	81	81	82
Sun	82	82	81	81	81	80	79	79	79	78	78	78	78	78	78	78	77	76	77	78	78	78	77	77
Mon	77	77	78	78	78	79	80	80	81	81	81	81	82	82	82	83	82	82	82	82	82	82	82	82
Tue	81	80	80	79	79	78	77	77	76	75	76	75	75	75	75	75	75	74	—	—	—	—	—	—