14 – 20 Oct 2026 · Malaysia

Bintulu weekly air quality

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

84.3Weekly mean AQI · Moderate

Official DOE API mean: 69.9. 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.

-22.1 AQI compared with the previous week’s eligible mean of 106.4.

Peak AQI: 107 at Bintulu · 14 Oct 2026, 01:00 (UTC+8).

Daily US AQI (PM2.5)

Low 62High 107AQI

14 Oct20 Oct

20 OctDaily mean · Peak 6865.2Avg 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	102.3Unhealthy for Sensitive Groups	107	24 / 0
2026-10-15	101.4Unhealthy for Sensitive Groups	107	24 / 0
2026-10-16	90.1Moderate	105	24 / 0
2026-10-17	74.8Moderate	80	24 / 0
2026-10-18	83.9Moderate	88	24 / 0
2026-10-19	72.2Moderate	83	24 / 0
2026-10-20	65.2Moderate	68	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	105	107	105	105	105	103	103	103	101	101	101	101	103	99	101	101	103	101	103	101	101	101	101	99
2026-10-15	97	96	96	97	99	99	99	101	101	99	99	101	101	103	101	103	103	105	103	105	105	107	107	107
2026-10-16	105	105	103	99	97	96	94	94	93	91	91	91	90	90	88	86	84	84	83	81	81	80	78	78
2026-10-17	80	80	80	80	80	78	78	77	75	75	72	72	71	72	72	72	72	71	72	72	72	74	74	74
2026-10-18	75	77	78	80	80	81	83	84	84	84	86	86	86	86	86	87	88	88	88	87	86	86	84	84
2026-10-19	83	81	80	78	77	75	74	72	72	72	71	71	71	70	70	70	68	68	68	70	68	68	68	67
2026-10-20	65	64	64	64	64	65	65	65	67	67	68	67	67	68	68	65	65	65	65	64	64	62	62	64

Observation categories

Good: 0

Moderate: 128

Unhealthy for Sensitive Groups: 40

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

Bintulu air quality.
Weekly station review.

14 – 20 Oct 20267 days · Sarawak

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

During the week of 14 – 20 Oct 2026, air quality at Bintulu averaged an Air Pollutant Index (API) of 69.9 (Moderate). Readings peaked at 84.

Station weekly average

69.9API

Moderate · Sederhana

Daily averages57 – 81.6 APIWed → Tue

Explore the week

Week's peak reading: 84ModeratePeak during 7-day window
Rank in Sarawak: #7of 13 stationsState avg: 75.6 API
Good to Moderate air: 100%of hourly readings168 readings recorded
National standing: #17of 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 · 0–100 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	81.6	80	84
Thu, 15 Oct	81.2	78	84
Fri, 16 Oct	74	66	83
Sat, 17 Oct	63.7	61	67
Sun, 18 Oct	69.8	64	73
Mon, 19 Oct	61.8	58	69
Tue, 20 Oct	57	55	59

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

0255075100APIBrighter cells ran hazier than the rest of this week (55 – 84 API)

Haziest hour of the week: Wed at 01:00 MYT, averaging API 84 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	83	84	83	83	83	82	82	82	81	81	81	81	82	80	81	81	82	81	82	81	81	81	81	80
Thu	79	78	78	79	80	80	80	81	81	80	80	81	81	82	81	82	82	83	82	83	83	84	84	84
Fri	83	83	82	80	79	78	77	77	76	75	75	75	74	74	73	71	70	70	69	68	68	67	66	66
Sat	67	67	67	67	67	66	66	65	64	64	62	62	61	62	62	62	62	61	62	62	62	63	63	63
Sun	64	65	66	67	67	68	69	70	70	70	71	71	71	71	71	72	73	73	73	72	71	71	70	70
Mon	69	68	67	66	65	64	63	62	62	62	61	61	61	60	60	60	59	59	59	60	59	59	59	58
Tue	57	56	56	56	56	57	57	57	58	58	59	58	58	59	59	57	57	57	57	56	56	55	55	56

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana100%168
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 Bintulu

Perbandingan purata mingguan dengan stesen berhampiran

Samalaju73.8 API
Moderate51 away
Mukah66.8 API
Moderate118 away
Kapit64.3 API
Moderate130 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	83	84	83	83	83	82	82	82	81	81	81	81	82	80	81	81	82	81	82	81	81	81	81	80
Thu	79	78	78	79	80	80	80	81	81	80	80	81	81	82	81	82	82	83	82	83	83	84	84	84
Fri	83	83	82	80	79	78	77	77	76	75	75	75	74	74	73	71	70	70	69	68	68	67	66	66
Sat	67	67	67	67	67	66	66	65	64	64	62	62	61	62	62	62	62	61	62	62	62	63	63	63
Sun	64	65	66	67	67	68	69	70	70	70	71	71	71	71	71	72	73	73	73	72	71	71	70	70
Mon	69	68	67	66	65	64	63	62	62	62	61	61	61	60	60	60	59	59	59	60	59	59	59	58
Tue	57	56	56	56	56	57	57	57	58	58	59	58	58	59	59	57	57	57	57	56	56	55	55	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	83	84	83	83	83	82	82	82	81	81	81	81	82	80	81	81	82	81	82	81	81	81	81	80
Thu	79	78	78	79	80	80	80	81	81	80	80	81	81	82	81	82	82	83	82	83	83	84	84	84
Fri	83	83	82	80	79	78	77	77	76	75	75	75	74	74	73	71	70	70	69	68	68	67	66	66
Sat	67	67	67	67	67	66	66	65	64	64	62	62	61	62	62	62	62	61	62	62	62	63	63	63
Sun	64	65	66	67	67	68	69	70	70	70	71	71	71	71	71	72	73	73	73	72	71	71	70	70
Mon	69	68	67	66	65	64	63	62	62	62	61	61	61	60	60	60	59	59	59	60	59	59	59	58
Tue	57	56	56	56	56	57	57	57	58	58	59	58	58	59	59	57	57	57	57	56	56	55	55	56