Singapore air quality.
Weekly haze review.
7 days · 5 NEA Regions
Weekly Pollutant Standards Index (PSI) and PM2.5 air quality report for Singapore
During the week of 9 – 15 Sep 2026, Singapore recorded an average PSI of 91.9 (Moderate) across reporting regions. Average 1-hour PM2.5 was 50.7 µg/m³.
National weekly average
91.9PSI
Moderate
- Overall weekly PSI
- 91.9Moderate airAverage across reporting regions
- 1-hour PM2.5 average
- 50.7µg/m³Fine particulate matter
- Cleanest region
- NorthAvg PSI: 80.7Lowest weekly regional average
- Regions reporting
- 5 of 5Central, North, South, East, WestNEA air quality network
Seven days of Singapore air quality
Daily movement of 24-hour PSI and regional variance
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 |
|---|---|---|---|
| Sat, 12 Sep | 74.6 | 67 | 82 |
| Sun, 13 Sep | 73.2 | 65 | 84 |
| Mon, 14 Sep | 90 | 69 | 141 |
| Tue, 15 Sep | 114.7 | 82 | 154 |
Singapore regions ranked by weekly average
Air quality across Central, North, South, East and West Singapore
- North Region80.7 PSIModerate · PM2.5: 40.5 µg/m³Peak PSI: 104
- South Region83.6 PSIModerate · PM2.5: 42.2 µg/m³Peak PSI: 111
- West Region93.8 PSIModerate · PM2.5: 52.5 µg/m³Peak PSI: 128
- East Region94.5 PSIModerate · PM2.5: 52.2 µg/m³Peak PSI: 128
- Central Region107 PSIUnhealthy · PM2.5: 66.2 µg/m³Peak PSI: 154
The week, hour by hour
Hourly Singapore air quality trend across seven days
Hourly levels reflect regional atmospheric dispersion and transboundary wind patterns recorded across the island.
Haziest hour of the week: Tue at 06:00 MYT, averaging API 125 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Thu | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Fri | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Sat | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 74.2 | 74.8 | 74.8 |
| Sun | 74.6 | 74.4 | 74 | 73.6 | 73.2 | 73.2 | 72.8 | 72.8 | 72.6 | 72 | 71 | 70.8 | 71.2 | 71.6 | 72.2 | 72.6 | 73.2 | 74 | 74.6 | 74.6 | 74.6 | 74.4 | 74.4 | 74.4 |
| Mon | 74.6 | 74.8 | 75 | 75.2 | 75.4 | 75.8 | 76.2 | 77.2 | 79.2 | 82 | 84.4 | 87.2 | 89 | 91.2 | 93.6 | 96.4 | 99 | 100.6 | 102.4 | 104.4 | 106.6 | 109.6 | 113.4 | 116.4 |
| Tue | 119 | 121 | 122.4 | 123.6 | 124.4 | 124.6 | 125 | 124 | 122.6 | 120.6 | 118.4 | 117 | 115 | 113.8 | 111.8 | 111 | 110.4 | 109.8 | 108.6 | 107.2 | 105.2 | 102.4 | 98.6 | 95.8 |