30 Sep – 6 Oct 2026 · Malaysia
Melaka weekly air quality
US AQI · PM2.5 · 24-hour source averages
Official DOE API mean: 97.3. 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
504 eligible observations · 0 excluded.
+18.9 AQI compared with the previous week’s eligible mean of 99.
Peak AQI: 175 at Bandaraya Melaka · 30 Sept 2026, 00:00 (UTC+8).
Daily US AQI (PM2.5)
Based on 72 hourly readings.
Daily and hourly means use eligible observations across the selected locations. Each observation uses a 24-hour PM2.5 average.
Export AQI CSVMeans and peaks use only converted observations. Missing days remain gaps.
| Day | Mean AQI | Peak AQI | Eligible / excluded |
|---|---|---|---|
| 2026-09-30 | 142.4Unhealthy for Sensitive Groups | 175 | 72 / 0 |
| 2026-10-01 | 118.6Unhealthy for Sensitive Groups | 136 | 72 / 0 |
| 2026-10-02 | 78.7Moderate | 105 | 72 / 0 |
| 2026-10-03 | 85.9Moderate | 107 | 72 / 0 |
| 2026-10-04 | 118.9Unhealthy for Sensitive Groups | 138 | 72 / 0 |
| 2026-10-05 | 127.8Unhealthy for Sensitive Groups | 144 | 72 / 0 |
| 2026-10-06 | 152.9Unhealthy | 175 | 72 / 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 | 167.7 | 165.7 | 164 | 162.3 | 160.3 | 159.3 | 158 | 156 | 152.7 | 150.3 | 148.7 | 146 | 139.7 | 135.3 | 133.3 | 130.7 | 127.7 | 124.7 | 123 | 121.7 | 121.7 | 122.3 | 123.7 | 123.7 |
| 2026-10-01 | 125 | 125 | 126.3 | 127 | 127 | 127 | 127 | 127 | 127.7 | 127.7 | 126.3 | 125 | 123 | 121 | 120.3 | 117 | 114.3 | 111.3 | 108.3 | 105.3 | 103.3 | 103 | 101.7 | 99.7 |
| 2026-10-02 | 97.7 | 95 | 93.3 | 92.3 | 91 | 89 | 86.7 | 84 | 81.7 | 79.7 | 77 | 76 | 74 | 72.3 | 71 | 70 | 69.7 | 69.3 | 68.7 | 68.7 | 69.7 | 70.3 | 70.7 | 71 |
| 2026-10-03 | 72 | 72.3 | 73.7 | 74.7 | 75.3 | 76.7 | 78.7 | 80.3 | 82 | 82.3 | 83.3 | 85.7 | 86 | 87.7 | 88.3 | 89.3 | 90 | 92.7 | 94.3 | 96.7 | 97 | 98.7 | 100.7 | 102.3 |
| 2026-10-04 | 105 | 108.3 | 110.3 | 112 | 114 | 115 | 117 | 118.3 | 119.7 | 120.3 | 121 | 121 | 121 | 121 | 120.3 | 120.3 | 121 | 121 | 121.7 | 123 | 123.7 | 125.7 | 126 | 126 |
| 2026-10-05 | 124.7 | 124.3 | 123.7 | 123.7 | 123 | 122.3 | 122.3 | 123 | 122.3 | 123 | 123.7 | 125.7 | 127 | 128.3 | 129.7 | 131.3 | 133.3 | 133.3 | 134.3 | 135.7 | 135 | 133.3 | 132 | 132 |
| 2026-10-06 | 134 | 134.3 | 135.7 | 136.7 | 139 | 139.7 | 140.7 | 142.7 | 145 | 148.7 | 152 | 155 | 156.3 | 158 | 159 | 160.3 | 161 | 162.7 | 164 | 165.3 | 167.7 | 168.7 | 170.7 | 172.3 |
Observation categories
Good: 0
Moderate: 143
Unhealthy for Sensitive Groups: 282
Unhealthy: 79
Very Unhealthy: 0
Hazardous: 0
| 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 |
|---|---|---|---|---|
| Bandaraya Melaka | 122.3Unhealthy for Sensitive Groups | 175 | 101.9 | 168 / 0 |
| Bukit Rambai | 120.3Unhealthy for Sensitive Groups | 171 | 98.6 | 168 / 0 |
| Alor Gajah | 111Unhealthy for Sensitive Groups | 171 | 91.3 | 168 / 0 |