30 Sep – 6 Oct 2026 · Malaysia

Seremban weekly air quality

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

128.5Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 111.7. 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.

+36.2 AQI compared with the previous week’s eligible mean of 92.3.

Peak AQI: 178 at Seremban · 6 Oct 2026, 17:00 (UTC+8).

Daily US AQI (PM2.5)

Low 78High 178AQI

30 Sept6 Oct

6 OctDaily mean · Peak 178162.2Avg 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	160.9Unhealthy	169	24 / 0
2026-10-01	134.5Unhealthy for Sensitive Groups	152	24 / 0
2026-10-02	90.2Moderate	107	24 / 0
2026-10-03	91.6Moderate	118	24 / 0
2026-10-04	137.4Unhealthy for Sensitive Groups	151	24 / 0
2026-10-05	131.2Unhealthy for Sensitive Groups	149	24 / 0
2026-10-06	162.2Unhealthy	178	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	169	169	169	169	169	169	169	169	167	166	165	162	158	156	156	155	154	154	154	154	152	152	152	152
2026-10-01	152	152	152	152	151	149	147	145	143	141	139	138	136	134	132	130	128	124	118	117	115	113	111	109
2026-10-02	107	105	103	101	101	99	97	94	93	91	90	90	88	86	84	83	83	83	83	81	81	81	80	80
2026-10-03	78	80	80	80	80	80	81	83	86	87	87	87	88	90	91	94	96	97	99	103	107	111	115	118
2026-10-04	120	122	124	126	128	132	134	136	136	138	141	143	146	147	149	151	149	147	144	142	139	136	134	134
2026-10-05	134	132	132	130	128	126	126	124	124	122	122	122	124	124	124	124	128	134	138	141	145	147	148	149
2026-10-06	151	152	152	154	155	156	158	158	159	160	163	165	167	169	171	174	177	178	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 38

Unhealthy for Sensitive Groups: 76

Unhealthy: 48

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

Seremban air quality.
Weekly city review.

30 Sep – 6 Oct 20267 days · Negeri Sembilan

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi bandar Seremban, Negeri Sembilan

Seremban air quality averaged an Air Pollutant Index (API) of 111.7 (Unhealthy) during the week of 30 Sep – 6 Oct 2026, monitored via the Seremban station.

City weekly average

111.7API

Unhealthy · Tidak Sihat

Daily averages73.9 – 159.3 APIWed → Tue

Explore the week

Week's highest reading: 171UnhealthyPeak reading during period
Monitoring station: SerembanNegeri SembilanRepresentative station
Good to Moderate air: 57%of hourly readings162 readings recorded
State & National context: 109.6 APINegeri Sembilan avgNational avg: 83 API

Seven days of air quality in Seremban

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 · 0–200 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	158.2	152	164
Thu, 1 Oct	113.3	85	152
Fri, 2 Oct	73.9	67	84
Sat, 3 Oct	74.6	66	90
Sun, 4 Oct	112	91	151
Mon, 5 Oct	102.8	92	147
Tue, 6 Oct	159.3	151	171

The week, hour by hour

Purata setiap jam sepanjang tujuh hari di stesen berkaitan

Hourly readings at Seremban indicate typical diurnal trends such as morning traffic and afternoon dispersion in Seremban.

050100150200APIBrighter cells ran hazier than the rest of this week (66 – 171 API)

Haziest hour of the week: Tue at 17:00 MYT, averaging API 171 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	164	164	164	164	164	164	164	164	163	162	161	159	156	155	155	154	153	153	153	153	152	152	152	152
Thu	152	152	152	152	151	147	138	130	122	114	105	101	99	98	97	96	95	93	90	89	88	87	86	85
Fri	84	83	82	81	81	80	79	77	76	75	74	74	73	71	70	69	69	69	69	68	68	68	67	67
Sat	66	67	67	67	67	67	68	69	71	72	72	72	73	74	75	77	78	79	80	82	84	86	88	90
Sun	91	92	93	94	95	97	98	99	99	100	113	122	133	137	144	151	146	139	126	117	106	99	98	98
Mon	98	97	97	96	95	94	94	93	93	92	92	92	93	93	93	93	95	98	100	115	128	137	141	147
Tue	151	152	152	153	154	155	156	156	157	158	160	161	163	164	166	168	170	171	—	—	—	—	—	—

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana57%92
UnhealthyTidak Sihat43%70
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 162 hourly station readings.

Health advisory

Panduan kesihatan mengikut kategori kualiti udara

Limit prolonged outdoor activity. Children, older adults, pregnant women and people with respiratory or heart conditions should stay indoors where possible. A well-fitted N95 mask helps outdoors.

Hadkan aktiviti luar yang berpanjangan. Kanak-kanak, warga emas, ibu mengandung dan pesakit pernafasan atau jantung dinasihatkan berada di dalam bangunan. Pelitup muka N95 membantu di luar.

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

Comparison with nearby cities

Perbandingan purata kualiti udara mingguan dengan bandar berdekatan

Johor Bahru128 API
UnhealthyLive status →
Kuala Lumpur122.9 API
UnhealthyLive status →
Kuching81.2 API
ModerateLive status →

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	164	164	164	164	164	164	164	164	163	162	161	159	156	155	155	154	153	153	153	153	152	152	152	152
Thu	152	152	152	152	151	147	138	130	122	114	105	101	99	98	97	96	95	93	90	89	88	87	86	85
Fri	84	83	82	81	81	80	79	77	76	75	74	74	73	71	70	69	69	69	69	68	68	68	67	67
Sat	66	67	67	67	67	67	68	69	71	72	72	72	73	74	75	77	78	79	80	82	84	86	88	90
Sun	91	92	93	94	95	97	98	99	99	100	113	122	133	137	144	151	146	139	126	117	106	99	98	98
Mon	98	97	97	96	95	94	94	93	93	92	92	92	93	93	93	93	95	98	100	115	128	137	141	147
Tue	151	152	152	153	154	155	156	156	157	158	160	161	163	164	166	168	170	171	—	—	—	—	—	—

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	164	164	164	164	164	164	164	164	163	162	161	159	156	155	155	154	153	153	153	153	152	152	152	152
Thu	152	152	152	152	151	147	138	130	122	114	105	101	99	98	97	96	95	93	90	89	88	87	86	85
Fri	84	83	82	81	81	80	79	77	76	75	74	74	73	71	70	69	69	69	69	68	68	68	67	67
Sat	66	67	67	67	67	67	68	69	71	72	72	72	73	74	75	77	78	79	80	82	84	86	88	90
Sun	91	92	93	94	95	97	98	99	99	100	113	122	133	137	144	151	146	139	126	117	106	99	98	98
Mon	98	97	97	96	95	94	94	93	93	92	92	92	93	93	93	93	95	98	100	115	128	137	141	147
Tue	151	152	152	153	154	155	156	156	157	158	160	161	163	164	166	168	170	171	—	—	—	—	—	—