Singapore Pollutant Standards Index

The information from this website is solely for public usage.
Data source : National Environment Agency

According to NEA, air quality based on PSI is as follows:

PSI value Air Quality Description Bar Color *
0 - 50 Good Your browser does not support the HTML5 canvas tag.
51 - 100 Moderate Your browser does not support the HTML5 canvas tag.
101 - 200 Unhealthy Your browser does not support the HTML5 canvas tag.
201 - 300 Very unhealthy Your browser does not support the HTML5 canvas tag.
Above 300 Hazardous Your browser does not support the HTML5 canvas tag.
* Reference for color.