Selangor air quality.
Weekly state review.

9 – 15 Sep 20267 days · 6 monitoring stations

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi negeri Selangor

Across Selangor, air quality for the week of 9 – 15 Sep 2026 averaged an Air Pollutant Index (API) of 103.6 (Unhealthy).

State weekly average

103.6API

Unhealthy · Tidak Sihat

Daily averages65.4 – 165.4 APIWed → Tue

Explore the week

State's peak reading: 190JOHAN SETIAPeak reading across state
Cleanest area in state: 91.5Kuala SelangorLowest weekly average
Good to Moderate air: 65%of all readings1,008 readings
National standing: #11of 16 states/territoriesNational avg: 92.7 API

Seven days of air quality in Selangor

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 · 0–250 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, 9 Sep	146.3	88	166
Thu, 10 Sep	81.2	62	155
Fri, 11 Sep	75	59	118
Sat, 12 Sep	65.4	55	93
Sun, 13 Sep	81.6	61	151
Mon, 14 Sep	110	75	172
Tue, 15 Sep	165.4	99	190

Monitoring stations in Selangor

Kedudukan stesen pemantauan di seluruh negeri mengikut purata mingguan

Scale 0 – 200

Kuala Selangor91.5avg
Selangor
58Moderate167
Petaling Jaya97.7avg
Selangor
55Moderate168
Shah Alam106.8avg
Selangor
58Unhealthy175
Klang95.6avg
Selangor
55Moderate169
Banting101.4avg
Selangor
56Unhealthy165
JOHAN SETIA128.5avg
Selangor
72Unhealthy190

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.

050100150200APIBrighter cells ran hazier than the rest of this week (61.3 – 172 API)

Haziest hour of the week: Tue at 19:00 MYT, averaging API 172 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	157.7	157.5	157.5	157.7	157.8	158	158	157.7	157.2	156.3	152.7	151.2	148.8	146.2	143.3	141	139.7	138.3	135.8	133.8	130.3	126.8	124.5	123.2
Thu	118.5	110.5	103.5	98.8	92.2	85.7	82.8	81	79.3	78.2	77	76.2	75.7	74.3	73.7	73.3	72.7	72.2	71.3	70.8	70.8	70.7	70.3	70.3
Fri	70.7	70.7	71	72.5	73.2	74.3	75.2	75.8	75.8	75.5	75.8	75.7	76.8	77.8	78.2	79.3	78.5	76	75.3	75	74.7	74.8	74.5	72.8
Sat	71.3	70.2	69	67.7	66.3	64.8	63.7	62.7	62	62.3	62	62	61.3	61.8	62.7	63	64	65.7	66.3	66.8	67.7	67.8	69	70.5
Sun	71	72	72.7	73	73.3	74.3	75	75.8	77.3	81.7	85.3	88	89.2	88.7	88.3	86.8	86	86	88.2	88	88	83.7	83.2	83.7
Mon	86.8	91.3	94.5	95.5	96.2	97.3	98.3	99.5	100.3	101.2	102	102.5	103.2	104.2	107.5	110.2	116	118.8	122	126.7	132.3	140	146.7	147.8
Tue	149.5	153.7	157.3	160.5	161.3	162.3	162.8	163.2	163.7	163.8	164.3	165.3	166.5	167.3	168.5	169.3	170.2	170.8	171.7	172	172	171.7	171.5	171.2

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana65%655
UnhealthyTidak Sihat35%353
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 1,008 hourly station readings.

Health guidelines

Panduan kesihatan mengikut kategori kualiti udara

Limit prolonged outdoor activity. Children, older adults, pregnant women and people with respiratory or heart conditions should stay indoors where possible. A well-fitted N95 mask helps outdoors.

Hadkan aktiviti luar yang berpanjangan. Kanak-kanak, warga emas, ibu mengandung dan pesakit pernafasan atau jantung dinasihatkan berada di dalam bangunan. Pelitup muka N95 membantu di luar.

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

Selangor air quality.Weekly state review.