14 – 20 Oct 2026 · Malaysia

Seberang Perai weekly air quality

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

101.8Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 83.6. 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

168 eligible observations · 0 excluded.

-2.4 AQI compared with the previous week’s eligible mean of 104.2.

Peak AQI: 149 at Seberang Perai · 15 Oct 2026, 07:00 (UTC+8).

Daily US AQI (PM2.5)

Low 83High 149AQI

14 Oct20 Oct

20 OctDaily mean · Peak 111106.9Avg AQI

Based on 24 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
2026-10-14	106.6Unhealthy for Sensitive Groups	141	24 / 0
2026-10-15	134.6Unhealthy for Sensitive Groups	149	24 / 0
2026-10-16	96.5Moderate	99	24 / 0
2026-10-17	88Moderate	93	24 / 0
2026-10-18	85.8Moderate	88	24 / 0
2026-10-19	94.3Moderate	105	24 / 0
2026-10-20	106.9Unhealthy for Sensitive Groups	111	24 / 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
2026-10-14	86	86	87	87	88	90	91	91	93	94	94	96	97	103	111	117	120	122	126	130	134	136	139	141
2026-10-15	143	145	146	147	147	148	148	149	149	148	149	149	148	143	136	128	124	122	118	115	111	109	105	103
2026-10-16	99	97	97	96	96	96	97	97	97	97	97	97	97	97	97	99	99	97	97	96	94	94	94	93
2026-10-17	93	91	91	91	90	90	87	88	88	88	87	86	86	88	88	87	86	86	86	86	87	87	87	87
2026-10-18	87	88	88	88	88	88	88	88	88	88	87	87	86	83	83	83	84	84	84	83	83	86	83	84
2026-10-19	84	86	86	87	87	88	88	90	90	91	93	94	97	99	97	99	97	99	101	101	103	99	103	105
2026-10-20	105	107	109	111	111	111	111	111	111	111	109	109	107	107	109	109	107	107	107	103	101	99	97	96

Observation categories

Good: 0

Moderate: 107

Unhealthy for Sensitive Groups: 61

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.

14 – 20 Oct 20267 days · Penang

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

During the week of 14 – 20 Oct 2026, air quality at Seberang Perai averaged an Air Pollutant Index (API) of 83.6 (Moderate). Readings peaked at 146.

Station weekly average

83.6API

Moderate · Sederhana

Daily averages71.2 – 117.9 APIWed → Tue

Explore the week

Week's peak reading: 146UnhealthyPeak during 7-day window
Rank in Penang: #4of 4 stationsState avg: 75.6 API
Good to Moderate air: 90%of hourly readings168 readings recorded
National standing: #28of 68 stationsNational avg: 108.7 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, 14 Oct	83.9	71	112
Thu, 15 Oct	117.9	82	146
Fri, 16 Oct	78.6	76	80
Sat, 17 Oct	72.7	71	76
Sun, 18 Oct	71.2	69	73
Mon, 19 Oct	76.8	70	83
Tue, 20 Oct	83.9	78	86

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.

0255075100125150175APIBrighter cells ran hazier than the rest of this week (69 – 146 API)

Haziest hour of the week: Thu at 10:00 MYT, averaging API 146 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	71	72	72	73	74	75	75	76	77	77	78	79	82	86	89	91	92	94	96	98	99	104	112
Thu	122	131	133	139	139	142	143	144	144	142	146	146	143	122	99	95	93	92	90	88	86	85	83	82
Fri	80	79	79	78	78	78	79	79	79	79	79	79	79	79	79	80	80	79	79	78	77	77	77	76
Sat	76	75	75	75	74	74	72	73	73	73	72	71	71	73	73	72	71	71	71	71	72	72	72	72
Sun	72	73	73	73	73	73	73	73	73	73	72	72	71	69	69	69	70	70	70	69	69	71	69	70
Mon	70	71	71	72	72	73	73	74	74	75	76	77	79	80	79	80	79	80	81	81	82	80	82	83
Tue	83	84	85	86	86	86	86	86	86	86	85	85	84	84	85	85	84	84	84	82	81	80	79	78

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana90%152
UnhealthyTidak Sihat10%16
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 168 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 Jaya78.7 API
Moderate8.8 away
Minden80.3 API
Moderate15 away
Kulim Hi-Tech71 API
Moderate18 away
Balik Pulau59.7 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	71	71	72	72	73	74	75	75	76	77	77	78	79	82	86	89	91	92	94	96	98	99	104	112
Thu	122	131	133	139	139	142	143	144	144	142	146	146	143	122	99	95	93	92	90	88	86	85	83	82
Fri	80	79	79	78	78	78	79	79	79	79	79	79	79	79	79	80	80	79	79	78	77	77	77	76
Sat	76	75	75	75	74	74	72	73	73	73	72	71	71	73	73	72	71	71	71	71	72	72	72	72
Sun	72	73	73	73	73	73	73	73	73	73	72	72	71	69	69	69	70	70	70	69	69	71	69	70
Mon	70	71	71	72	72	73	73	74	74	75	76	77	79	80	79	80	79	80	81	81	82	80	82	83
Tue	83	84	85	86	86	86	86	86	86	86	85	85	84	84	85	85	84	84	84	82	81	80	79	78

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	71	72	72	73	74	75	75	76	77	77	78	79	82	86	89	91	92	94	96	98	99	104	112
Thu	122	131	133	139	139	142	143	144	144	142	146	146	143	122	99	95	93	92	90	88	86	85	83	82
Fri	80	79	79	78	78	78	79	79	79	79	79	79	79	79	79	80	80	79	79	78	77	77	77	76
Sat	76	75	75	75	74	74	72	73	73	73	72	71	71	73	73	72	71	71	71	71	72	72	72	72
Sun	72	73	73	73	73	73	73	73	73	73	72	72	71	69	69	69	70	70	70	69	69	71	69	70
Mon	70	71	71	72	72	73	73	74	74	75	76	77	79	80	79	80	79	80	81	81	82	80	82	83
Tue	83	84	85	86	86	86	86	86	86	86	85	85	84	84	85	85	84	84	84	82	81	80	79	78