30 Sep – 6 Oct 2026 · Malaysia

Samarahan weekly air quality

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

111.6Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 90.4. 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.

-34.9 AQI compared with the previous week’s eligible mean of 146.5.

Peak AQI: 152 at Samarahan · 4 Oct 2026, 06:00 (UTC+8).

Daily US AQI (PM2.5)

Low 64High 152AQI

30 Sept6 Oct

6 OctDaily mean · Peak 122113.1Avg 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	92.6Moderate	136	24 / 0
2026-10-01	70.7Moderate	81	24 / 0
2026-10-02	102.6Unhealthy for Sensitive Groups	126	24 / 0
2026-10-03	127.6Unhealthy for Sensitive Groups	136	24 / 0
2026-10-04	147.3Unhealthy for Sensitive Groups	152	24 / 0
2026-10-05	127.8Unhealthy for Sensitive Groups	144	24 / 0
2026-10-06	113.1Unhealthy for Sensitive Groups	122	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	136	132	120	118	115	111	109	105	101	94	90	88	86	84	81	78	77	75	74	71	70	70	70	68
2026-10-01	68	68	67	67	65	64	64	64	65	67	70	70	70	70	70	71	72	74	75	77	78	80	80	81
2026-10-02	83	84	84	88	91	93	93	94	93	94	93	94	97	101	107	109	113	115	118	120	122	124	126	126
2026-10-03	128	128	126	122	120	120	120	120	120	122	124	124	128	130	130	134	136	136	134	132	132	132	132	132
2026-10-04	134	138	143	148	151	151	152	152	152	152	152	152	151	150	148	145	142	142	144	145	147	148	148	147
2026-10-05	144	140	136	132	130	128	128	126	126	126	124	124	124	124	124	126	128	130	128	128	124	124	122	122
2026-10-06	122	120	118	118	117	117	115	113	113	111	111	109	105	107	109	111	111	109	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 52

Unhealthy for Sensitive Groups: 101

Unhealthy: 9

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

Samarahan air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Sarawak

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

During the week of 30 Sep – 6 Oct 2026, air quality at Samarahan averaged an Air Pollutant Index (API) of 90.4 (Moderate). Readings peaked at 152.

Station weekly average

90.4API

Moderate · Sederhana

Daily averages60.7 – 137.3 APIWed → Tue

Explore the week

Week's peak reading: 152UnhealthyPeak during 7-day window
Rank in Sarawak: #12of 13 stationsState avg: 72.9 API
Good to Moderate air: 85%of hourly readings162 readings recorded
National standing: #45of 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 · 0–175 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	74.6	59	99
Thu, 1 Oct	60.7	56	68
Fri, 2 Oct	81.3	69	94
Sat, 3 Oct	94.8	91	99
Sun, 4 Oct	137.3	98	152
Mon, 5 Oct	96.2	92	126
Tue, 6 Oct	87.2	83	92

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

0255075100125150175APIBrighter cells ran hazier than the rest of this week (56 – 152 API)

Haziest hour of the week: Sun at 06:00 MYT, averaging API 152 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	99	97	91	90	88	86	85	83	81	77	74	73	71	70	68	66	65	64	63	61	60	60	60	59
Thu	59	59	58	58	57	56	56	56	57	58	60	60	60	60	60	61	62	63	64	65	66	67	67	68
Fri	69	70	70	73	75	76	76	77	76	77	76	77	79	81	84	85	87	88	90	91	92	93	94	94
Sat	95	95	94	92	91	91	91	91	91	92	93	93	95	96	96	98	99	99	98	97	97	97	97	97
Sun	98	100	122	140	151	151	152	152	152	152	152	152	151	148	142	128	117	119	127	131	137	140	142	139
Mon	126	108	99	97	96	95	95	94	94	94	93	93	93	93	93	94	95	96	95	95	93	93	92	92
Tue	92	91	90	90	89	89	88	87	87	86	86	85	83	84	85	86	86	85	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana85%138
UnhealthyTidak Sihat15%24
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 Samarahan

Perbandingan purata mingguan dengan stesen berhampiran

Kuching81.2 API
Moderate17 away
IPD Serian98.3 API
Moderate33 away
Sri Aman88.4 API
Moderate111 away
Sarikei69.7 API
Moderate137 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	99	97	91	90	88	86	85	83	81	77	74	73	71	70	68	66	65	64	63	61	60	60	60	59
Thu	59	59	58	58	57	56	56	56	57	58	60	60	60	60	60	61	62	63	64	65	66	67	67	68
Fri	69	70	70	73	75	76	76	77	76	77	76	77	79	81	84	85	87	88	90	91	92	93	94	94
Sat	95	95	94	92	91	91	91	91	91	92	93	93	95	96	96	98	99	99	98	97	97	97	97	97
Sun	98	100	122	140	151	151	152	152	152	152	152	152	151	148	142	128	117	119	127	131	137	140	142	139
Mon	126	108	99	97	96	95	95	94	94	94	93	93	93	93	93	94	95	96	95	95	93	93	92	92
Tue	92	91	90	90	89	89	88	87	87	86	86	85	83	84	85	86	86	85	—	—	—	—	—	—

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	99	97	91	90	88	86	85	83	81	77	74	73	71	70	68	66	65	64	63	61	60	60	60	59
Thu	59	59	58	58	57	56	56	56	57	58	60	60	60	60	60	61	62	63	64	65	66	67	67	68
Fri	69	70	70	73	75	76	76	77	76	77	76	77	79	81	84	85	87	88	90	91	92	93	94	94
Sat	95	95	94	92	91	91	91	91	91	92	93	93	95	96	96	98	99	99	98	97	97	97	97	97
Sun	98	100	122	140	151	151	152	152	152	152	152	152	151	148	142	128	117	119	127	131	137	140	142	139
Mon	126	108	99	97	96	95	95	94	94	94	93	93	93	93	93	94	95	96	95	95	93	93	92	92
Tue	92	91	90	90	89	89	88	87	87	86	86	85	83	84	85	86	86	85	—	—	—	—	—	—