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SINGAPORE - From an all-time high of 401, the Pollutant Standards Index has dropped to 139 at 6pm today.
The index has been dropping steadily since noon. The PSI was 94 at 6am, and made the leap to 367 at 10am before hitting 401 at 12 noon.
After hitting a new high, it dropped to 360 at 1pm, to 168 at 3pm and finally to its current number.
This places air quality here within the "unhealthy" range of 101 to 200 - a marked improvement of the "hazardous" range of above 300 it was in before.
The latest 24-hour average PSI stood at between 171 to 225 at 4pm. The PM2.5 concentration, which measures very fine particles, was 215 to 286.
The National Environmental Agency (NEA) said they expect the range of 24-hour PSI readings for the day to be still in the upper part of the 200 to 300 range. "The advisory we issued yesterday is still valid," it said in a statement.
The Government has set up a microsite for the public to get information and updates on the current haze situation at https://www.e101.gov.sg/haze/.
Guidance for today
Healthy people
Avoid prolonged/strenuous outdoor physical exertion
Wear N95 mask if prolonged and strenuous outdoor activity is unavoidable
Elderly, pregnant women and children
Avoid all outdoor activity
Wear N95 mask if prolonged outdoor activity is unavoidable
People with chronic medical conditions especially lung or heart disease
Avoid all outdoor activity
Wear N95 mask if prolonged outdoor activity is unavoidable
Those who are not feeling well are advised to seek medical attention.
Employers are advised to provide suitable respirators to all employees carrying out outdoor work. They should also deploy susceptible employees to work indoors, preferably doing work which is not physically strenuous.
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