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During periods of haze, you can use the health advisory, air quality forecast, 1-hr PM2.5 and daily PSI readings to plan your schedule.
- Who We Are
Who We Are - Haze - The National Environment Agency
- Resources
Resources - Haze - The National Environment Agency
- 1-hr PM2.5 Readings
1-hr PM2.5 Readings - Haze - The National Environment Agency
- Pollutant Concentrations
Pollutant Concentrations - Haze - The National Environment...
- Historical Readings
Historical Readings - Haze - The National Environment Agency
- Portable Air Cleaners
Portable Air Cleaners - Haze - The National Environment...
- Posters
Posters - Haze - The National Environment Agency
- Who We Are
Quick updates at a glance on PSI and PM2.5 readings for the haze situation in Singapore.
Oct 9, 2023 · The 24-hour Pollutant Standards Index (PSI) readings ranged between 67 and 123 at 9pm, with the highest recorded reading in the east. A PSI reading of 101 to 200 is in the unhealthy range, for...
Overall and regional PSI data (24-hr PSI, Pollutant Concentration and Sub-Index)
Apr 7, 2024 · Read about today's 1-HR PM2.5 and 24-HR Pollutants Standard Index live from NEA.
The PSI used in Singapore gives a score for air pollution based on the density of six pollutants: PM2.5, PM10, carbon monoxide, ozone (O 3), nitrogen dioxide (NO 2), and sulphur dioxide (SO 2).