Malaysia daily air quality reports
Every afternoon we record the US AQI of every Malaysian city with a monitoring station reporting, and compare it with the day before. Each report stays online as a permanent record.
| Date | Most polluted | Cleanest | Median US AQI | Cities Unhealthy or worse |
|---|---|---|---|---|
| 19 October 2026 | Alor Gajah 199 | Limbang 51 | 139 | 24 |
| 18 October 2026 | Johor Bahru 211 | Limbang 56 | 123 | 20 |
| 17 October 2026 | Johor Bahru 214 | Limbang 56 | 110 | 17 |
| 16 October 2026 | Johor Bahru 228 | Sarikei 59 | 123 | 23 |
| 15 October 2026 | Seremban 216 | Kangar 81 | 162 | 35 |
| 14 October 2026 | Johor Bahru 207 | Langkawi 53 | 154 | 28 |