Shah Alam air quality.
Weekly city review.
7 days · Selangor
Laporan mingguan Indeks Pencemaran Udara (IPU) bagi bandar Shah Alam, Selangor
Shah Alam air quality averaged an Air Pollutant Index (API) of 106.8 (Unhealthy) during the week of 9 – 15 Sep 2026, monitored via the Shah Alam station.
City weekly average
106.8API
Unhealthy · Tidak Sihat
- Week's highest reading
- 175UnhealthyPeak reading during period
- Monitoring station
- Shah AlamSelangorRepresentative station
- Good to Moderate air
- 64%of hourly readings168 readings recorded
- State & National context
- 103.6 APISelangor avgNational avg: 92.7 API
Seven days of air quality in Shah Alam
Pergerakan purata harian dan julat bacaan sepanjang minggu
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
| Date / time | Average | Minimum | Peak |
|---|---|---|---|
| Wed, 9 Sep | 158.8 | 152 | 163 |
| Thu, 10 Sep | 84.8 | 73 | 140 |
| Fri, 11 Sep | 76 | 70 | 79 |
| Sat, 12 Sep | 63.2 | 58 | 74 |
| Sun, 13 Sep | 80.8 | 74 | 85 |
| Mon, 14 Sep | 115.3 | 84 | 159 |
| Tue, 15 Sep | 169 | 161 | 175 |
The week, hour by hour
Purata setiap jam sepanjang tujuh hari di stesen berkaitan
Hourly readings at Shah Alam indicate typical diurnal trends such as morning traffic and afternoon dispersion in Shah Alam.
Haziest hour of the week: Tue at 18:00 MYT, averaging API 175 nationwide.
View the hourly figures as a table
| 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 | 162 | 162 | 162 | 162 | 163 | 163 | 163 | 163 | 162 | 161 | 160 | 159 | 159 | 159 | 158 | 157 | 157 | 156 | 156 | 155 | 154 | 153 | 152 | 152 |
| Thu | 140 | 124 | 106 | 98 | 94 | 91 | 87 | 83 | 82 | 82 | 81 | 79 | 78 | 75 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 74 |
| Fri | 75 | 75 | 75 | 75 | 75 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 79 | 78 | 77 | 76 | 76 | 75 | 75 | 73 | 70 |
| Sat | 68 | 66 | 65 | 63 | 62 | 62 | 60 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 59 | 60 | 62 | 64 | 66 | 67 | 68 | 70 | 72 | 74 |
| Sun | 74 | 75 | 75 | 76 | 77 | 77 | 78 | 79 | 79 | 80 | 82 | 83 | 84 | 85 | 84 | 84 | 84 | 85 | 84 | 83 | 83 | 83 | 83 | 83 |
| Mon | 84 | 86 | 87 | 88 | 89 | 90 | 91 | 93 | 94 | 95 | 96 | 97 | 99 | 99 | 114 | 126 | 151 | 152 | 153 | 154 | 156 | 157 | 158 | 159 |
| Tue | 161 | 161 | 162 | 163 | 163 | 164 | 165 | 166 | 167 | 168 | 168 | 169 | 170 | 171 | 172 | 173 | 173 | 174 | 175 | 174 | 174 | 174 | 175 | 174 |
How readings split
Pecahan bacaan mengikut kategori IPU
- GoodBaik0%0
- ModerateSederhana64%107
- UnhealthyTidak Sihat36%61
- Very UnhealthySangat Tidak Sihat0%0
- HazardousBerbahaya0%0
Based on 168 hourly station readings.
Health advisory
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.
| 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 |
Comparison with nearby cities
Perbandingan purata kualiti udara mingguan dengan bandar berdekatan
- Johor Bahru115 APIUnhealthyLive status →
- Kuala Lumpur118.9 APIUnhealthyLive status →
- Kuching164.5 APIUnhealthyLive status →