21 – 27 Oct 2026 · Malaysia

Sarikei weekly air quality

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

100Weekly mean AQI · Moderate

Official DOE API mean: 86.1. 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

147 eligible observations · 0 excluded.

+19.2 AQI compared with the previous week’s eligible mean of 80.8.

Peak AQI: 159 at Sarikei · 26 Oct 2026, 07:00 (UTC+8).

Daily US AQI (PM2.5)

Low 65High 159AQI

21 Oct27 Oct

27 OctDaily mean · Peak 126124Avg AQI

Based on 3 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	69.2Moderate	75	24 / 0
2026-10-22	75.4Moderate	81	24 / 0
2026-10-23	86.8Moderate	91	24 / 0
2026-10-24	95.2Moderate	99	24 / 0
2026-10-25	118.6Unhealthy for Sensitive Groups	154	24 / 0
2026-10-26	151.7Unhealthy	159	24 / 0
2026-10-27	124Unhealthy for Sensitive Groups	126	3 / 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	75	74	74	72	72	71	70	68	68	67	65	65	65	67	68	68	68	68	70	70	70	70	68	68
2026-10-22	68	68	68	68	70	70	71	72	72	74	75	75	77	78	78	80	80	80	81	81	81	81	81	81
2026-10-23	83	83	83	83	84	84	86	87	88	88	88	88	87	87	86	86	87	88	88	88	90	90	91	91
2026-10-24	93	93	94	94	96	96	94	94	93	94	94	94	96	96	96	96	96	94	96	96	96	97	97	99
2026-10-25	99	99	99	99	99	99	99	99	101	101	105	109	113	117	122	126	132	136	140	145	150	152	152	154
2026-10-26	154	155	156	156	158	158	158	159	159	159	158	158	158	156	155	154	152	152	148	143	139	136	132	128
2026-10-27	126	124	122	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 104

Unhealthy for Sensitive Groups: 22

Unhealthy: 21

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

Sarikei air quality.
Weekly station review.

21 – 27 Oct 20267 days · Sarawak

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

During the week of 21 – 27 Oct 2026, air quality at Sarikei averaged an Air Pollutant Index (API) of 86.1 (Moderate). Readings peaked at 157.

Station weekly average

86.1API

Moderate · Sederhana

Daily averages59.8 – 143.8 APIWed → Tue

Explore the week

Week's peak reading: 157UnhealthyPeak during 7-day window
Rank in Sarawak: #8of 13 stationsState avg: 87.3 API
Good to Moderate air: 82%of hourly readings147 readings recorded
National standing: #40of 68 stationsNational avg: 84 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 · 0–175 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	59.8	57	64
Thu, 22 Oct	64.1	59	68
Fri, 23 Oct	71.9	69	75
Sat, 24 Oct	77.6	76	80
Sun, 25 Oct	98.8	80	153
Mon, 26 Oct	143.8	95	157
Tue, 27 Oct	93	92	94

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

0255075100125150175APIBrighter cells ran hazier than the rest of this week (57 – 157 API)

Haziest hour of the week: Mon at 07:00 MYT, averaging API 157 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	64	63	63	62	62	61	60	59	59	58	57	57	57	58	59	59	59	59	60	60	60	60	59	59
Thu	59	59	59	59	60	60	61	62	62	63	64	64	65	66	66	67	67	67	68	68	68	68	68	68
Fri	69	69	69	69	70	70	71	72	73	73	73	73	72	72	71	71	72	73	73	73	74	74	75	75
Sat	76	76	77	77	78	78	77	77	76	77	77	77	78	78	78	78	78	77	78	78	78	79	79	80
Sun	80	80	80	80	80	80	80	80	81	81	83	85	87	89	92	94	97	99	109	130	148	152	152	153
Mon	153	154	155	155	156	156	156	157	157	157	156	156	156	155	154	153	152	152	143	122	104	99	97	95
Tue	94	93	92	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana82%120
UnhealthyTidak Sihat18%27
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 147 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 Sarikei

Perbandingan purata mingguan dengan stesen berhampiran

Sibu92.4 API
Moderate40 away
Mukah71.1 API
Moderate99 away
Sri Aman121.8 API
Unhealthy102 away
Samarahan108.7 API
Unhealthy137 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	64	63	63	62	62	61	60	59	59	58	57	57	57	58	59	59	59	59	60	60	60	60	59	59
Thu	59	59	59	59	60	60	61	62	62	63	64	64	65	66	66	67	67	67	68	68	68	68	68	68
Fri	69	69	69	69	70	70	71	72	73	73	73	73	72	72	71	71	72	73	73	73	74	74	75	75
Sat	76	76	77	77	78	78	77	77	76	77	77	77	78	78	78	78	78	77	78	78	78	79	79	80
Sun	80	80	80	80	80	80	80	80	81	81	83	85	87	89	92	94	97	99	109	130	148	152	152	153
Mon	153	154	155	155	156	156	156	157	157	157	156	156	156	155	154	153	152	152	143	122	104	99	97	95
Tue	94	93	92	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

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	64	63	63	62	62	61	60	59	59	58	57	57	57	58	59	59	59	59	60	60	60	60	59	59
Thu	59	59	59	59	60	60	61	62	62	63	64	64	65	66	66	67	67	67	68	68	68	68	68	68
Fri	69	69	69	69	70	70	71	72	73	73	73	73	72	72	71	71	72	73	73	73	74	74	75	75
Sat	76	76	77	77	78	78	77	77	76	77	77	77	78	78	78	78	78	77	78	78	78	79	79	80
Sun	80	80	80	80	80	80	80	80	81	81	83	85	87	89	92	94	97	99	109	130	148	152	152	153
Mon	153	154	155	155	156	156	156	157	157	157	156	156	156	155	154	153	152	152	143	122	104	99	97	95
Tue	94	93	92	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—