What is the air quality in Singapore?

What is the current air quality in Singapore?

Pollutants	Concentration
PM2.5	11.4 µg/m³
PM10	28 µg/m³
O3	0 µg/m³
NO2	39 µg/m³

Is Singapore air clean?

Singapore enjoys better air quality than many cities in Asia, comparable with that of cities in the United States and Europe. Singapore’s Pollutant Standards Index (PSI) has remained in the ‘Good’ and ‘Moderate’ range for much of 2019.

Which part of Singapore has cleanest air?

Where is the cleanest air quality in Singapore?

West37.
Robertson Quay41.
North61.
National University of Singapore- SDE477.
National University of Singapore – SDE179.
Gladiola Drive85.
Medway Park94.
Park Olympia112.

Which is the PSI value for PM 10?

In the image above, number 1 corresponds to the PM10 value that is used for the PSI evalation. The value 67 (/59) can be read as 67 μg/m3, corresponding to a PSI of 59. The PSI is evaluated as the maximum of the individual PSI for each of the pollutants: PM 10, SO 2, NO 2, O 3 (Ozone) and CO 2.

What should the PSI be in Singapore at 10pm?

At 10pm, the 24-hour PSI in Singapore was between 89 and 99, just shy of the “unhealthy” range. The 24-hour PSI, updated hourly on the National Environment Agency’s (NEA’s) website, would enter the “unhealthy” range if it crosses the 100-mark. Above 300 is considered “hazardous”.

When did Singapore start publishing PM2.5 psi?

Prior to 1 April 2014, Singapore published the PSI and the 1-hour PM2.5 reading separately. This 3-hour PSI is unique to Singapore and was introduced in 1997 to provide additional air quality information which would better reflect a more current air quality situation.

What is the air quality index in Singapore?

As of Friday (Sept 13), the 24-hour Pollutant Standards Index (PSI) in Singapore — the main measure of air quality used by the authorities here — was in the “moderate” range, which is anywhere between 51 and 100 on the index. At 10pm, the 24-hour PSI in Singapore was between 89 and 99, just shy of the “unhealthy” range.