30 Sep – 6 Oct 2026 · Malaysia
Kuching weekly air quality
US AQI · PM2.5 · 24-hour source averages
Official DOE API mean: 81.2. 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
162 eligible observations · 0 excluded.
-53 AQI compared with the previous week’s eligible mean of 157.4.
Peak AQI: 139 at Kuching · 5 Oct 2026, 18:00 (UTC+8).
Daily US AQI (PM2.5)
Based on 18 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 | 85.7Moderate | 132 | 24 / 0 |
| 2026-10-01 | 60.3Moderate | 67 | 24 / 0 |
| 2026-10-02 | 92Moderate | 113 | 24 / 0 |
| 2026-10-03 | 122.9Unhealthy for Sensitive Groups | 132 | 24 / 0 |
| 2026-10-04 | 121.3Unhealthy for Sensitive Groups | 132 | 24 / 0 |
| 2026-10-05 | 128.3Unhealthy for Sensitive Groups | 139 | 24 / 0 |
| 2026-10-06 | 125.9Unhealthy for Sensitive Groups | 136 | 18 / 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 | 132 | 126 | 120 | 117 | 113 | 107 | 103 | 97 | 93 | 87 | 83 | 78 | 75 | 72 | 70 | 68 | 67 | 65 | 64 | 62 | 64 | 65 | 64 | 64 |
| 2026-10-01 | 64 | 64 | 62 | 61 | 59 | 58 | 58 | 58 | 57 | 57 | 58 | 59 | 61 | 61 | 61 | 59 | 58 | 58 | 59 | 61 | 62 | 62 | 64 | 67 |
| 2026-10-02 | 68 | 70 | 72 | 75 | 77 | 80 | 81 | 83 | 84 | 86 | 86 | 88 | 90 | 94 | 97 | 101 | 103 | 107 | 107 | 109 | 111 | 113 | 113 | 113 |
| 2026-10-03 | 113 | 113 | 113 | 113 | 113 | 113 | 115 | 117 | 117 | 118 | 122 | 122 | 126 | 124 | 128 | 130 | 132 | 132 | 132 | 132 | 132 | 132 | 130 | 130 |
| 2026-10-04 | 132 | 132 | 130 | 128 | 128 | 128 | 126 | 126 | 126 | 124 | 122 | 122 | 120 | 118 | 115 | 115 | 111 | 113 | 115 | 115 | 115 | 115 | 117 | 117 |
| 2026-10-05 | 117 | 117 | 117 | 117 | 117 | 118 | 120 | 122 | 124 | 126 | 128 | 130 | 132 | 132 | 132 | 134 | 138 | 138 | 139 | 138 | 138 | 136 | 134 | 134 |
| 2026-10-06 | 134 | 134 | 136 | 134 | 134 | 132 | 130 | 128 | 126 | 124 | 122 | 118 | 118 | 120 | 122 | 120 | 118 | 117 | — | — | — | — | — | — |
Observation categories
Good: 0
Moderate: 56
Unhealthy for Sensitive Groups: 106
Unhealthy: 0
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 |