30 Sep – 6 Oct 2026 · Malaysia

Tanah Merah weekly air quality

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

77.6Weekly mean AQI · Moderate

Official DOE API mean: 65.5. 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

158 eligible observations · 0 excluded.

+27.7 AQI compared with the previous week’s eligible mean of 49.9.

Peak AQI: 99 at Tanah Merah · 30 Sept 2026, 12:00 (UTC+8).

Daily US AQI (PM2.5)

Low 55High 99AQI

30 Sept6 Oct

6 OctDaily mean · Peak 9793Avg AQI

Based on 14 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	92Moderate	99	24 / 0
2026-10-01	86.5Moderate	96	24 / 0
2026-10-02	77.3Moderate	80	24 / 0
2026-10-03	61.1Moderate	71	24 / 0
2026-10-04	64.6Moderate	71	24 / 0
2026-10-05	75.3Moderate	91	24 / 0
2026-10-06	93Moderate	97	14 / 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	80	81	83	83	86	86	87	88	91	93	94	97	99	97	96	96	96	97	97	96	96	96	97	97
2026-10-01	96	96	96	96	94	96	96	94	93	90	88	86	84	84	83	81	80	78	78	78	78	77	77	77
2026-10-02	78	78	78	80	80	78	78	78	80	80	80	78	78	78	77	77	77	77	75	74	74	74	74	74
2026-10-03	71	71	68	67	65	65	64	62	62	61	59	59	59	59	59	58	58	58	58	58	58	57	55	55
2026-10-04	56	57	58	58	59	61	61	61	62	64	64	65	65	65	67	68	68	70	71	71	71	70	70	68
2026-10-05	68	68	68	68	68	68	68	68	70	70	71	72	72	74	77	77	78	80	83	84	87	88	90	91
2026-10-06	93	94	96	97	96	96	94	94	93	91	90	90	90	88	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 158

Unhealthy for Sensitive Groups: 0

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

Tanah Merah air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Kelantan

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Tanah Merah, Kelantan

During the week of 30 Sep – 6 Oct 2026, air quality at Tanah Merah averaged an Air Pollutant Index (API) of 65.5 (Moderate). Readings peaked at 80.

Station weekly average

65.5API

Moderate · Sederhana

Daily averages54 – 76.1 APIWed → Tue

Explore the week

Week's peak reading: 80ModeratePeak during 7-day window
Rank in Kelantan: #1of 2 stationsState avg: 68.5 API
Good to Moderate air: 100%of hourly readings158 readings recorded
National standing: #16of 68 stationsNational avg: 82.4 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, 30 Sep	75.4	67	80
Thu, 1 Oct	71.6	65	78
Fri, 2 Oct	65.3	63	67
Sat, 3 Oct	54	48	61
Sun, 4 Oct	56.5	50	61
Mon, 5 Oct	64	59	75
Tue, 6 Oct	76.1	73	79

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 Tanah Merah shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100APIBrighter cells ran hazier than the rest of this week (48 – 80 API)

Haziest hour of the week: Wed at 12:00 MYT, averaging API 80 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	67	68	69	69	71	71	72	73	75	76	77	79	80	79	78	78	78	79	79	78	78	78	79	79
Thu	78	78	78	78	77	78	78	77	76	74	73	71	70	70	69	68	67	66	66	66	66	65	65	65
Fri	66	66	66	67	67	66	66	66	67	67	67	66	66	66	65	65	65	65	64	63	63	63	63	63
Sat	61	61	59	58	57	57	56	55	55	54	53	53	53	53	53	52	52	52	52	52	52	51	48	48
Sun	50	51	52	52	53	54	54	54	55	56	56	57	57	57	58	59	59	60	61	61	61	60	60	59
Mon	59	59	59	59	59	59	59	59	60	60	61	62	62	63	65	65	66	67	69	70	72	73	74	75
Tue	76	77	78	79	78	78	77	77	76	75	74	74	74	73	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik2%3
ModerateSederhana98%155
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 158 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 Tanah Merah

Perbandingan purata mingguan dengan stesen berhampiran

Kota Bharu71.5 API
Moderate39 away
Besut68.7 API
Moderate43 away
Kuala Terengganu86.9 API
Moderate123 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	67	68	69	69	71	71	72	73	75	76	77	79	80	79	78	78	78	79	79	78	78	78	79	79
Thu	78	78	78	78	77	78	78	77	76	74	73	71	70	70	69	68	67	66	66	66	66	65	65	65
Fri	66	66	66	67	67	66	66	66	67	67	67	66	66	66	65	65	65	65	64	63	63	63	63	63
Sat	61	61	59	58	57	57	56	55	55	54	53	53	53	53	53	52	52	52	52	52	52	51	48	48
Sun	50	51	52	52	53	54	54	54	55	56	56	57	57	57	58	59	59	60	61	61	61	60	60	59
Mon	59	59	59	59	59	59	59	59	60	60	61	62	62	63	65	65	66	67	69	70	72	73	74	75
Tue	76	77	78	79	78	78	77	77	76	75	74	74	74	73	—	—	—	—	—	—	—	—	—	—

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	67	68	69	69	71	71	72	73	75	76	77	79	80	79	78	78	78	79	79	78	78	78	79	79
Thu	78	78	78	78	77	78	78	77	76	74	73	71	70	70	69	68	67	66	66	66	66	65	65	65
Fri	66	66	66	67	67	66	66	66	67	67	67	66	66	66	65	65	65	65	64	63	63	63	63	63
Sat	61	61	59	58	57	57	56	55	55	54	53	53	53	53	53	52	52	52	52	52	52	51	48	48
Sun	50	51	52	52	53	54	54	54	55	56	56	57	57	57	58	59	59	60	61	61	61	60	60	59
Mon	59	59	59	59	59	59	59	59	60	60	61	62	62	63	65	65	66	67	69	70	72	73	74	75
Tue	76	77	78	79	78	78	77	77	76	75	74	74	74	73	—	—	—	—	—	—	—	—	—	—