14 – 20 Oct 2026 · Malaysia

Terengganu weekly air quality

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

101.3Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 84.5. 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

672 eligible observations · 0 excluded.

-20.6 AQI compared with the previous week’s eligible mean of 121.9.

Peak AQI: 159 at Kemaman · 14 Oct 2026, 11:00 (UTC+8).

Daily US AQI (PM2.5)

Low 57High 159AQI

14 Oct20 Oct

20 OctDaily mean · Peak 159114.6Avg AQI

Based on 96 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	126.5Unhealthy for Sensitive Groups	159	96 / 0
2026-10-15	130.1Unhealthy for Sensitive Groups	151	96 / 0
2026-10-16	98Moderate	134	96 / 0
2026-10-17	84.1Moderate	88	96 / 0
2026-10-18	76.6Moderate	87	96 / 0
2026-10-19	79.5Moderate	139	96 / 0
2026-10-20	114.6Unhealthy for Sensitive Groups	159	96 / 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	118.5	119.8	120.8	121.3	122.8	123.5	124.5	126	127.5	128.3	129.5	130.5	132	132	130.3	129.8	129.8	127.5	127.3	126	126.3	126.3	128.3	129
2026-10-15	131.5	132	132.3	131.8	132	132.3	132	131.3	131.8	131.5	130.5	130	130.5	131	135.5	134.8	132.5	131.3	129.5	128	125.8	124	121	119.5
2026-10-16	117	114.8	113.3	112.3	111.3	109.5	107.5	106.8	105.5	103.5	101.5	98.8	96	92.8	90	87.8	86.5	85.3	85	84.8	85	85.8	85.8	86.5
2026-10-17	86.3	85.8	84.8	83.8	83.3	83	82.5	82.5	82.5	82.8	82.8	83	82.5	83.3	84.5	85.5	85.5	85.8	86	85.8	85.5	83.8	84	82.8
2026-10-18	82.3	81.5	81.5	81	80.5	80.3	80	79.5	78.8	77.8	77.5	76.3	75.8	76	75	74	74.3	74	73.8	73.3	72.5	71.8	71	70.3
2026-10-19	70	69.8	69.3	68.8	69	69	69	69	69	69.5	70	71.5	74	77.5	79.8	82.5	85.8	89	92	94.5	97.3	99	101	102.5
2026-10-20	104.5	107	109.8	110.8	112.3	113	114	115.3	116.8	118.3	119	119.5	119	119.3	119	118	117	116.5	115.8	115.3	113.8	112.8	113	111.8

Observation categories

Good: 0

Moderate: 392

Unhealthy for Sensitive Groups: 218

Unhealthy: 62

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

Stations by US AQI

Sorted by eligible mean AQI. Counts show the available coverage.

Location	Mean AQI	Peak AQI	Official DOE API mean	Eligible / excluded
Paka	114.6Unhealthy for Sensitive Groups	159	98	168 / 0
Kemaman	110Unhealthy for Sensitive Groups	159	93.3	168 / 0
Kuala Terengganu	94.2Moderate	141	75.7	168 / 0
Besut	86.6Moderate	132	70.9	168 / 0

Terengganu air quality.
Weekly state review.

14 – 20 Oct 20267 days · 4 monitoring stations

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi negeri Terengganu

Across Terengganu, air quality for the week of 14 – 20 Oct 2026 averaged an Air Pollutant Index (API) of 84.5 (Moderate).

State weekly average

84.5API

Moderate · Sederhana

Daily averages64.9 – 112.8 APIWed → Tue

Explore the week

State's peak reading: 157KemamanPeak reading across state
Cleanest area in state: 70.9BesutLowest weekly average
Good to Moderate air: 86%of all readings672 readings
National standing: #8of 16 states/territoriesNational avg: 108.7 API

Seven days of air quality in Terengganu

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	112.8	51	157
Thu, 15 Oct	100.7	83	151
Fri, 16 Oct	78.5	66	98
Sat, 17 Oct	69.9	67	73
Sun, 18 Oct	64.9	53	72
Mon, 19 Oct	66.4	52	107
Tue, 20 Oct	98.1	63	157

Monitoring stations in Terengganu

Kedudukan stesen pemantauan di seluruh negeri mengikut purata mingguan

Scale 0 – 175

Kemaman93.3avg
Terengganu
58Moderate157
Paka98avg
Terengganu
67Moderate157
Kuala Terengganu75.7avg
Terengganu
52Moderate113
Besut70.9avg
Terengganu
51Moderate97

The week, hour by hour

Purata negeri bagi setiap jam sepanjang tujuh hari

Read each row from midnight to 11pm, in Malaysia Time. Hourly state averages show when air quality shifted during each day of the week.

050100150APIBrighter cells ran hazier than the rest of this week (59.5 – 121.5 API)

Haziest hour of the week: Wed at 13:00 MYT, averaging API 121.5 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	109.8	111.3	112	112.3	113.3	113.8	114.3	115.3	116	116.5	117.3	118	121.3	121.5	117.8	117.5	114.3	110	108	105	105.3	105.3	106.3	106.5
Thu	107.8	107	105.5	102	100.8	100.3	98.8	97.8	98	96.8	96.3	96	98	100.5	108	108.5	106.8	105	103.5	102.3	99.3	96	92	90.5
Fri	89.3	88	87.3	86.8	86.3	85.3	84.3	83.8	83	82	81	79.5	78	76	74	72.5	71.8	71	70.5	70.3	70.5	71	71	71.5
Sat	71.3	71	70.3	69.8	69.3	69	68.8	68.8	68.8	69	69	69.3	69	69.3	70.3	71	71	71.3	71.3	71	70.8	69.8	69.8	69
Sun	68.8	68.3	68.3	67.8	67.5	67.5	67.3	66.8	66.3	65.8	65.5	64.8	64.3	64.5	63.8	63.3	63.3	63	63	62.5	62	61.5	60.8	60.5
Mon	60.3	60	59.8	59.5	59.8	59.8	59.8	59.8	59.8	60	60.3	61.5	63.3	65.3	66.8	68.5	70.5	72.5	74.3	75.8	77.5	78.5	79.5	82
Tue	85.3	89.8	95.5	96.3	97	97.3	98	98.8	99.5	100.5	102.8	103	100.8	101	100.8	100.3	99.8	99.5	99	98.8	98	97.5	97.5	97

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana86%577
UnhealthyTidak Sihat14%95
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 672 hourly station readings.

Health guidelines

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