19 June 2013

Singapore: Current PSI Reading and Haze, Hot Spot Map Link

For current PSI reading in Singapore From NEA, you can go to this link

other alternative:

*even though the haze is gone for now but please wear your N95 mask, the PM2.5 is still high 253 as for 8pm 22 June 2013  

Particulate matter, or PM, is the term for particles found in the air, including dust, dirt, soot, smoke, and liquid droplets. Particles can be suspended in the air for long periods of time. Some particles are large or dark enough to be seen as soot or smoke. Others are so small that individually they can only be detected with an electron microscope.

Many manmade and natural sources emit PM directly or emit other pollutants that react in the atmosphere to form PM. These solid and liquid particles come in a wide range of sizes.

Particles less than 10 micrometers in diameter (PM10) pose a health concern because they can be inhaled into and accumulate in the respiratory system. Particles less than 2.5 micrometers in diameter (PM2.5) are referred to as "fine" particles and are believed to pose the greatest health risks. Because of their small size (approximately 1/30th the average width of a human hair), fine particles can lodge deeply into the lungs. epa.gov

For the current Haze / Hot spot Map in Singapore and the source of the fire from NEA: 
Regional Haze Map
Source: NEA

hi everyone, if you have any information for the n95 mask stock availability, please leave a comment here N95 mask availability Singapore  , please comment and let us help each other during this time. 

PSI Value Air Quality Descriptor
0 - 50 Good
51 - 100         Moderate
101 - 200         Unhealthy
201 - 300         Very unhealthy
Above 300 Hazardous

*thishot spot image is not a live image.

Source: NEA

  1. Is there something wrong with the pSI readings - it doesn note look like 290 out there..?
    I wonder if there has been a mistake?

    1. I don't think it's mistake. it's 321 now. it's an average from different part of Singapore so your place might be the lowest :)

  2. where did you get 321 from?

  3. ... found it.

  4. My home is about 150m from the MRT track. The primary school is about 100m away. I can't see either now. Oh. Someone just told me its PSI 367. Figures.


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