19 Jun '13, 12am

As PSI rises, sales of face masks soar

Different measures of air quality PSI The Pollutant Standards Index, or PSI, has been Singapore's main indicator of air quality since 1991. It measures air pollutants such as sulphur dioxide, nitrogen dioxide, ozone, carbon monoxide and PM10, which is particulate matter 10 microns or smaller in size - about one-seventh the diameter of a strand of human hair. The PSI has a scale of 0 to 400. A reading above 100 is unhealthy, and anything higher than 300 is hazardous. To keep the public updated on the recent haze situation, the National Environment Agency (NEA) has been publishing hourly updates of its three-hour average PSI reading on its website. For example, a 3pm update is averaged from readings taken at 1pm, 2pm and 3pm. The NEA also publishes the averages of the previous 24 hours at 8am, noon and 4pm daily. Air quality indexes similar to the PSI are used in Australia, ...

Full article: http://www.straitstimes.com/breaking-news/singapore/story...

Tweets

NEA's 3-hour PSI reading is 121 at 10am #haze

NEA's 3-hour PSI reading is 121 at 10am #haze

todayonline.com 18 Jun '13, 2am

SINGAPORE — The three-hour Pollutant Standards Index (PSI) reading was at 114 at 12pm today (June 18), according to the Na...

Singapore haze update: PSI rises to 299 at 12pm...

singaporeseen.stomp.com.sg 20 Jun '13, 2am

Singapore haze update: PSI is at 250 at 11pm on June 20 The PSI level has soared to a new all-time high of 371 at 1pm toda...

of where to buy face masks in singapore: Where ...

lancerlord.blogspot.com 22 Jun '13, 12pm

of this girl loses camera. her nude photos posted at facebook (nsfw) Thousands join Facebook group to help find beauty fea...

#SGHAZE UPDATE: PSI reading in #Singapore is 10...

twitter.com 18 Jun '13, 12am

When you tweet with a location, Twitter stores that location. You can switch location on/off before each Tweet and always ...

PSI back in unhealthy range

PSI back in unhealthy range

channelnewsasia.com 19 Jun '13, 3am

SINGAPORE: Singapore's air quality is back in the unhealthy range after the three-hour Pollutant Standards Index (PSI) rea...

The #haze ain't quitting, so why not get creative with one of these? Which would you strap on?

The #haze ain't quitting, so why not get creati...

shopping.insing.com 20 Jun '13, 4am

While people are queueing up for cronuts (we're looking at you New Yorkers) in other parts of the world, Singapore’s inhab...

UPDATE: Singapore's air now on the verge of being "very unhealthy", PSI at 190 #sghaze

UPDATE: Singapore's air now on the verge of bei...

straitstimes.com 19 Jun '13, 12pm

SINGAPORE'S air is now on the cusp of being "very unhealthy" as the Pollutant Standards Index soared to 190 at 8pm, the wo...

#psi reading at 2pm shoots up to 170, in unheal...

twitter.com 19 Jun '13, 6am

When you tweet with a location, Twitter stores that location. You can switch location on/off before each Tweet and always ...

psi reading at 3pm is 172, in unhealthy range. ...

twitter.com 19 Jun '13, 7am

When you tweet with a location, Twitter stores that location. You can switch location on/off before each Tweet and always ...

[CNA] Haze: PSI remains in unhealthy range

[CNA] Haze: PSI remains in unhealthy range

channelnewsasia.com 18 Jun '13, 1am

SINGAPORE: Singapore's air quality remained in the unhealthy range on Tuesday as the island continued to be enveloped in h...

Singapore run out of masks, what to do? Use bre...

twitter.com 20 Jun '13, 1pm

When you tweet with a location, Twitter stores that location. You can switch location on/off before each Tweet and always ...

If you think that Singapore's PSI at 124 is bad...

twitter.com 19 Jun '13, 4am

If you think that Singapore's PSI at 124 is bad, well then Indonesia's PSI is currently 331...

UPDATE: #SGHaze in Singapore hits historical hi...

straitstimes.com 19 Jun '13, 1pm

SINGAPORE'S air is now on the cusp of being "hazardous" as the Pollutant Standards Index soared to 290 at 9pm, the worst r...

S'pore PSI hits all-time high

channelnewsasia.com 19 Jun '13, 1pm

SINGAPORE: The three-hour Pollutant Standards Index (PSI) reading soared to 290 at 9pm on Wednesday, setting a new all-tim...

Good morning. The 3-hour PSI at 7am is 111 @NEA...

todayonline.com 20 Jun '13, 11pm

The PSI index was developed by the United States’ Environmental Protection Agency (EPA) to provide accurate and timely inf...