14 – 20 Oct 2026 · Malaysia

Balik Pulau weekly air quality

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

71.4Weekly mean AQI · Moderate

Official DOE API mean: 59.7. 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

168 eligible observations · 0 excluded.

-6.3 AQI compared with the previous week’s eligible mean of 77.7.

Peak AQI: 126 at Balik Pulau · 14 Oct 2026, 20:00 (UTC+8).

Daily US AQI (PM2.5)

Low 51High 126AQI

14 Oct20 Oct

20 OctDaily mean · Peak 6157.7Avg 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	108.8Unhealthy for Sensitive Groups	126	24 / 0
2026-10-15	102.4Unhealthy for Sensitive Groups	124	24 / 0
2026-10-16	61.9Moderate	71	24 / 0
2026-10-17	58.2Moderate	61	24 / 0
2026-10-18	53.3Moderate	57	24 / 0
2026-10-19	57.6Moderate	59	24 / 0
2026-10-20	57.7Moderate	61	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	84	87	88	91	94	96	97	99	101	105	107	111	113	117	117	118	120	120	122	124	126	126	124	124
2026-10-15	124	122	122	120	120	118	118	117	115	113	111	107	105	99	97	94	91	88	87	84	80	77	75	74
2026-10-16	71	68	67	65	64	62	62	61	61	61	61	61	61	61	61	61	61	61	61	59	59	59	59	59
2026-10-17	59	59	59	61	61	61	61	61	59	59	59	59	59	58	58	58	57	57	56	56	55	55	55	54
2026-10-18	54	53	53	53	53	52	52	52	53	53	53	52	52	52	51	52	52	53	54	55	56	56	56	57
2026-10-19	57	57	57	56	57	57	58	58	57	56	57	58	58	58	58	58	59	59	58	58	57	58	58	58
2026-10-20	59	59	59	61	61	61	61	59	59	59	58	58	58	57	57	56	56	56	55	55	55	55	55	55

Observation categories

Good: 0

Moderate: 139

Unhealthy for Sensitive Groups: 29

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

Balik Pulau air quality.
Weekly station review.

14 – 20 Oct 20267 days · Penang

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Balik Pulau, Penang

During the week of 14 – 20 Oct 2026, air quality at Balik Pulau averaged an Air Pollutant Index (API) of 59.7 (Moderate). Readings peaked at 94.

Station weekly average

59.7API

Moderate · Sederhana

Daily averages43.2 – 84.8 APIWed → Tue

Explore the week

Week's peak reading: 94ModeratePeak during 7-day window
Rank in Penang: #1of 4 stationsState avg: 75.6 API
Good to Moderate air: 100%of hourly readings168 readings recorded
National standing: #5of 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 · 0–100 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	84.8	70	94
Thu, 15 Oct	80.9	63	93
Fri, 16 Oct	54.8	53	61
Sat, 17 Oct	51.6	45	54
Sun, 18 Oct	43.2	39	51
Mon, 19 Oct	51.6	50	53
Tue, 20 Oct	50.9	46	54

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 Balik Pulau shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100APIBrighter cells ran hazier than the rest of this week (39 – 94 API)

Haziest hour of the week: Wed at 20:00 MYT, averaging API 94 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	70	72	73	75	77	78	79	80	81	83	84	86	87	89	89	90	91	91	92	93	94	94	93	93
Thu	93	92	92	91	91	90	90	89	88	87	86	84	83	80	79	77	75	73	72	70	67	65	64	63
Fri	61	59	58	57	56	55	55	54	54	54	54	54	54	54	54	54	54	54	54	53	53	53	53	53
Sat	53	53	53	54	54	54	54	54	53	53	53	53	53	52	52	52	51	51	50	50	48	47	46	45
Sun	44	43	43	43	42	40	40	41	42	43	42	41	40	40	39	40	41	42	44	46	49	50	50	51
Mon	51	51	51	50	51	51	52	52	51	50	51	52	52	52	52	52	53	53	52	52	51	52	52	52
Tue	53	53	53	54	54	54	54	53	53	53	52	52	52	51	51	49	49	49	48	48	48	47	46	46

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik24%40
ModerateSederhana76%128
UnhealthyTidak Sihat0%0
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 Balik Pulau

Perbandingan purata mingguan dengan stesen berhampiran

Minden80.3 API
Moderate10 away
Seberang Jaya78.7 API
Moderate22 away
Seberang Perai83.6 API
Moderate25 away
Kulim Hi-Tech71 API
Moderate42 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	70	72	73	75	77	78	79	80	81	83	84	86	87	89	89	90	91	91	92	93	94	94	93	93
Thu	93	92	92	91	91	90	90	89	88	87	86	84	83	80	79	77	75	73	72	70	67	65	64	63
Fri	61	59	58	57	56	55	55	54	54	54	54	54	54	54	54	54	54	54	54	53	53	53	53	53
Sat	53	53	53	54	54	54	54	54	53	53	53	53	53	52	52	52	51	51	50	50	48	47	46	45
Sun	44	43	43	43	42	40	40	41	42	43	42	41	40	40	39	40	41	42	44	46	49	50	50	51
Mon	51	51	51	50	51	51	52	52	51	50	51	52	52	52	52	52	53	53	52	52	51	52	52	52
Tue	53	53	53	54	54	54	54	53	53	53	52	52	52	51	51	49	49	49	48	48	48	47	46	46

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	70	72	73	75	77	78	79	80	81	83	84	86	87	89	89	90	91	91	92	93	94	94	93	93
Thu	93	92	92	91	91	90	90	89	88	87	86	84	83	80	79	77	75	73	72	70	67	65	64	63
Fri	61	59	58	57	56	55	55	54	54	54	54	54	54	54	54	54	54	54	54	53	53	53	53	53
Sat	53	53	53	54	54	54	54	54	53	53	53	53	53	52	52	52	51	51	50	50	48	47	46	45
Sun	44	43	43	43	42	40	40	41	42	43	42	41	40	40	39	40	41	42	44	46	49	50	50	51
Mon	51	51	51	50	51	51	52	52	51	50	51	52	52	52	52	52	53	53	52	52	51	52	52	52
Tue	53	53	53	54	54	54	54	53	53	53	52	52	52	51	51	49	49	49	48	48	48	47	46	46