30 Sep – 6 Oct 2026 · Malaysia

Sarawak weekly air quality

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

89.3Weekly mean AQI · Moderate

Official DOE API mean: 73.3. 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

2184 eligible observations · 0 excluded.

-27.9 AQI compared with the previous week’s eligible mean of 117.2.

Peak AQI: 167 at IPD Serian · 30 Sept 2026, 00:00 (UTC+8).

Daily US AQI (PM2.5)

Low 38High 167AQI

30 Sept6 Oct

6 OctDaily mean · Peak 151100.4Avg AQI

Based on 312 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	72.4Moderate	167	312 / 0
2026-10-01	62.2Moderate	86	312 / 0
2026-10-02	78Moderate	144	312 / 0
2026-10-03	101.9Unhealthy for Sensitive Groups	152	312 / 0
2026-10-04	106Unhealthy for Sensitive Groups	152	312 / 0
2026-10-05	104.4Unhealthy for Sensitive Groups	152	312 / 0
2026-10-06	100.4Unhealthy for Sensitive Groups	151	312 / 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	86.6	85.2	83.6	82.8	81.5	80.2	79.2	77.7	75.9	73.7	71.6	70.2	69.2	68	66.8	65.6	65.2	65.5	65.7	65.1	64.9	64.4	64.3	63.8
2026-10-01	63.7	63.6	63.2	63.1	62.3	62.1	61.8	61.5	60.8	60.9	61.2	61.2	61.5	61.4	61.2	61	61.3	61.5	61.1	61.8	62.7	63.6	64.3	65.1
2026-10-02	65.7	66.3	67.2	67.9	68.9	69.7	70.5	71.2	71.6	72.5	72.8	74.5	75.7	78	80.1	82.8	84.5	86.3	87.8	89.2	90.9	91.9	92.9	93.2
2026-10-03	94.2	94.8	95.4	96.2	96.5	97.3	97.8	99.2	99.8	101.3	102.6	102.9	104.2	104.5	104.8	105.6	106.1	105.6	105.7	106	105.5	105.6	106.2	106.7
2026-10-04	107.1	107.2	107.4	107.6	107.7	107.5	107.5	107.2	106.9	105.8	105.8	106.3	106	105.8	105.7	104.9	103.9	103.9	104.8	104.9	105.5	105.1	104.4	104.4
2026-10-05	104.2	104.1	104.1	103.5	103.1	102.7	102.9	102.9	103.3	103.6	103.8	103.9	104.6	104.5	104.7	105.5	106.4	107.4	106.8	106.2	105.2	104.8	103.9	103.4
2026-10-06	102.8	102.2	102.1	101.3	101.2	101.1	100.6	100.6	100.2	99.7	99.7	98.9	98.7	99.1	99.5	100.2	99.9	99.1	99.5	99.8	100.4	100.5	101	101

Observation categories

Good: 39

Moderate: 1437

Unhealthy for Sensitive Groups: 676

Unhealthy: 32

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
IPD Serian	120.8Unhealthy for Sensitive Groups	167	99.6	168 / 0
Samarahan	111.6Unhealthy for Sensitive Groups	152	90.3	168 / 0
Sri Aman	107.7Unhealthy for Sensitive Groups	152	88.2	168 / 0
Kuching	104.9Unhealthy for Sensitive Groups	139	81.5	168 / 0
Bintulu	91.7Moderate	122	74.3	168 / 0
Samalaju	86.7Moderate	124	71.2	168 / 0
Sarikei	85.6Moderate	117	69.9	168 / 0
Sibu	83.5Moderate	105	69.1	168 / 0
Kapit	82.1Moderate	105	68.4	168 / 0
Mukah	79.8Moderate	111	66.6	168 / 0
Miri	76.5Moderate	115	63.9	168 / 0
ILP Miri	68Moderate	99	57.4	168 / 0
Limbang	62.1Moderate	78	52.1	168 / 0

Sarawak air quality.
Weekly state review.

30 Sep – 6 Oct 20267 days · 13 monitoring stations

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi negeri Sarawak

Across Sarawak, air quality for the week of 30 Sep – 6 Oct 2026 averaged an Air Pollutant Index (API) of 73.3 (Moderate).

State weekly average

73.3API

Moderate · Sederhana

Daily averages53.5 – 85.4 APIWed → Tue

Explore the week

State's peak reading: 163IPD SerianPeak reading across state
Cleanest area in state: 52.1LimbangLowest weekly average
Good to Moderate air: 95%of all readings2,184 readings
National standing: #7of 16 states/territoriesNational avg: 84.1 API

Seven days of air quality in Sarawak

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, 30 Sep	61.6	29	163
Thu, 1 Oct	53.5	33	71
Fri, 2 Oct	64.7	33	124
Sat, 3 Oct	83.7	52	152
Sun, 4 Oct	85.4	57	152
Mon, 5 Oct	83.7	61	152
Tue, 6 Oct	80.3	60	151

Monitoring stations in Sarawak

Kedudukan stesen pemantauan di seluruh negeri mengikut purata mingguan

Scale 0 – 175

Limbang52.1avg
Sarawak
33Moderate66
ILP Miri57.4avg
Sarawak
29Moderate80
Miri63.9avg
Sarawak
42Moderate88
Samalaju71.2avg
Sarawak
56Moderate93
Bintulu74.3avg
Sarawak
54Moderate92
Mukah66.6avg
Sarawak
44Moderate86
Kapit68.4avg
Sarawak
46Moderate83
Sibu69.1avg
Sarawak
44Moderate83
Sarikei69.9avg
Sarawak
42Moderate89
Sri Aman88.2avg
Sarawak
58Moderate152
Samarahan90.3avg
Sarawak
56Moderate152
Kuching81.5avg
Sarawak
51Moderate107
IPD Serian99.6avg
Sarawak
57Moderate163

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.

0255075100APIBrighter cells ran hazier than the rest of this week (52.2 – 88.5 API)

Haziest hour of the week: Sat at 15:00 MYT, averaging API 88.5 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	71.8	71.1	70.4	69.8	69.1	68.4	67.8	66.2	62.9	61.4	60	59.1	58.4	57.8	57.2	56.5	56.3	56.7	56.8	56.5	56.2	55.8	55.7	55.3
Thu	55.2	55	54.6	54.5	54.1	53.9	53.6	53.3	52.7	52.5	52.6	52.6	52.9	52.8	52.5	52.5	52.8	52.5	52.2	52.6	53.5	54.2	54.7	55.3
Fri	55.7	56.2	57.2	57.8	58.4	58.9	59.5	60	60.5	61.1	61.2	62.3	63.1	64.6	66.1	67.6	68.8	70.1	71.1	72	74.3	75.3	75.9	76
Sat	76.8	77.8	78.6	79.6	79.8	80.8	81.5	82.9	83.5	84.7	85.8	86.2	87.8	88.1	88.2	88.5	88.2	86.5	84.8	83.9	83.5	83.2	83.4	83.5
Sun	83.5	83.5	84.9	86.3	87.1	87	87	86.8	86.7	86.1	86.1	86.5	86.4	86.1	85.6	84.2	83	83.2	84.2	84.6	85.3	85.3	85.1	84.9
Mon	83.9	82.6	82.1	81.8	81.5	81.4	81.5	81.5	81.7	81.8	81.8	82.5	83.8	83.8	84.7	85.5	86.6	87.4	87.4	86.5	85.7	85.2	84.2	83.5
Tue	82.9	82.2	81.8	80.9	80.4	80	79.7	79.7	79.5	79.2	79	78.7	78.6	78.8	79	79.4	79.2	78.6	79.5	80.5	81.5	82.1	82.9	83.2

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik9%202
ModerateSederhana86%1,875
UnhealthyTidak Sihat5%107
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 2,184 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