Fixed temperature colour scale23°C blue29°C yellow35°C redStation colours are absolute and do not change with the current temperature range.
SINGAPORE OVERVIEW
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—µg/m³ model-wide meanLoading
LowSG 24-h target: 37.5High
This hourly estimate is not directly equivalent to the 24-hour target.
PM₂.₅µg/m³
LowHigh
Research estimate — not an official monitoring reading or medical advice.
MAP INFORMATION
Current Singapore conditions
SG
TUTORIAL & ABOUT
Singapore Hourly PM₂.₅ Estimation
A research prototype that visualises model-estimated outdoor PM₂.₅ concentrations across Singapore.
1
Select a location
Click the map to view its current estimate and recent hourly trend.
2
Find yourself
Select “My location” to show your position as a blue dot.
3
Check the timestamp
Expand “Current layer” to review the update time, model and source.
4
Interpret carefully
Values are research estimates, not official station readings or medical advice.
Current modelRandom Forest v3 · outdoor PM₂.₅ spatial estimation
Developed byChia-Wei HsuProgrammeTaiwan Global Pathfinders Initiative · Youth Development Administration, Ministry of Education, TaiwanHost institutionSaw Swee Hock School of Public Health, National University of Singapore