30 Sep – 6 Oct 2026 · Malaysia

Seberang Perai weekly air quality

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

87.8Weekly mean AQI · Moderate

Official DOE API mean: 71.8. 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

155 eligible observations · 0 excluded.

+11.7 AQI compared with the previous week’s eligible mean of 76.1.

Peak AQI: 132 at Seberang Perai · 30 Sept 2026, 03:00 (UTC+8).

Daily US AQI (PM2.5)

Low 61High 132AQI

30 Sept6 Oct

6 OctDaily mean · Peak 7167.4Avg AQI

Based on 11 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	106.4Unhealthy for Sensitive Groups	132	24 / 0
2026-10-01	72.1Moderate	91	24 / 0
2026-10-02	109.1Unhealthy for Sensitive Groups	120	24 / 0
2026-10-03	87.4Moderate	93	24 / 0
2026-10-04	79.9Moderate	86	24 / 0
2026-10-05	81Moderate	86	24 / 0
2026-10-06	67.4Moderate	71	11 / 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	130	130	130	132	128	126	122	118	115	113	113	113	111	107	101	96	91	90	87	84	81	80	78	77
2026-10-01	75	74	72	70	68	67	67	65	64	64	64	64	61	65	68	71	72	74	77	80	83	86	88	91
2026-10-02	94	96	99	103	107	109	109	111	109	113	118	118	120	118	117	117	117	117	111	107	107	105	101	96
2026-10-03	91	91	90	87	87	86	87	90	93	93	88	88	86	84	90	88	86	83	84	86	86	84	84	86
2026-10-04	86	86	86	86	84	86	84	80	78	78	78	75	77	77	72	74	77	77	78	80	78	80	80	81
2026-10-05	81	81	81	81	81	81	83	83	84	84	84	86	86	86	86	83	81	81	80	77	75	74	74	72
2026-10-06	71	71	70	70	68	67	67	65	64	64	64	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 120

Unhealthy for Sensitive Groups: 35

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

Seberang Perai air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Penang

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Seberang Perai, Penang

During the week of 30 Sep – 6 Oct 2026, air quality at Seberang Perai averaged an Air Pollutant Index (API) of 71.8 (Moderate). Readings peaked at 97.

Station weekly average

71.8API

Moderate · Sederhana

Daily averages58.4 – 85.1 APIWed → Tue

Explore the week

Week's peak reading: 97ModeratePeak during 7-day window
Rank in Penang: #4of 4 stationsState avg: 68.2 API
Good to Moderate air: 100%of hourly readings155 readings recorded
National standing: #28of 68 stationsNational avg: 82.1 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 · 0–125 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	83	65	97
Thu, 1 Oct	61.7	54	75
Fri, 2 Oct	85.1	77	91
Sat, 3 Oct	72.3	69	76
Sun, 4 Oct	67.1	62	71
Mon, 5 Oct	67.9	62	71
Tue, 6 Oct	58.4	56	61

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 Seberang Perai shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100125APIBrighter cells ran hazier than the rest of this week (54 – 97 API)

Haziest hour of the week: Wed at 03:00 MYT, averaging API 97 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	96	96	96	97	95	94	92	90	88	87	87	87	86	84	81	78	75	74	72	70	68	67	66	65
Thu	64	63	62	60	59	58	58	57	56	56	56	56	54	57	59	61	62	63	65	67	69	71	73	75
Fri	77	78	80	82	84	85	85	86	85	87	90	90	91	90	89	89	89	89	86	84	84	83	81	78
Sat	75	75	74	72	72	71	72	74	76	76	73	73	71	70	74	73	71	69	70	71	71	70	70	71
Sun	71	71	71	71	70	71	70	67	66	66	66	64	65	65	62	63	65	65	66	67	66	67	67	68
Mon	68	68	68	68	68	68	69	69	70	70	70	71	71	71	71	69	68	68	67	65	64	63	63	62
Tue	61	61	60	60	59	58	58	57	56	56	56	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana100%155
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 155 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 Seberang Perai

Perbandingan purata mingguan dengan stesen berhampiran

Seberang Jaya69.7 API
Moderate8.8 away
Minden71.3 API
Moderate15 away
Kulim Hi-Tech59.7 API
Moderate18 away
Balik Pulau60 API
Moderate25 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	96	96	96	97	95	94	92	90	88	87	87	87	86	84	81	78	75	74	72	70	68	67	66	65
Thu	64	63	62	60	59	58	58	57	56	56	56	56	54	57	59	61	62	63	65	67	69	71	73	75
Fri	77	78	80	82	84	85	85	86	85	87	90	90	91	90	89	89	89	89	86	84	84	83	81	78
Sat	75	75	74	72	72	71	72	74	76	76	73	73	71	70	74	73	71	69	70	71	71	70	70	71
Sun	71	71	71	71	70	71	70	67	66	66	66	64	65	65	62	63	65	65	66	67	66	67	67	68
Mon	68	68	68	68	68	68	69	69	70	70	70	71	71	71	71	69	68	68	67	65	64	63	63	62
Tue	61	61	60	60	59	58	58	57	56	56	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	96	96	96	97	95	94	92	90	88	87	87	87	86	84	81	78	75	74	72	70	68	67	66	65
Thu	64	63	62	60	59	58	58	57	56	56	56	56	54	57	59	61	62	63	65	67	69	71	73	75
Fri	77	78	80	82	84	85	85	86	85	87	90	90	91	90	89	89	89	89	86	84	84	83	81	78
Sat	75	75	74	72	72	71	72	74	76	76	73	73	71	70	74	73	71	69	70	71	71	70	70	71
Sun	71	71	71	71	70	71	70	67	66	66	66	64	65	65	62	63	65	65	66	67	66	67	67	68
Mon	68	68	68	68	68	68	69	69	70	70	70	71	71	71	71	69	68	68	67	65	64	63	63	62
Tue	61	61	60	60	59	58	58	57	56	56	56	—	—	—	—	—	—	—	—	—	—	—	—	—