Haze forecast and health advisory for July 1

Haze forecast and health advisory for July 1
Clear skies are seen in Toa Payoh at 4.30pm on Sunday, June 30, 2013. The three-hour Pollutant Standards Index (PSI) on Sunday afternoon dipped to its lowest since the haze blanketed Singapore two weeks ago.

The National Environment Agency (NEA) has released a haze forecast and health advisory for Jul 1, 2013.

Here is the full statement from the NEA:

SINGAPORE - The 24-hr PSI for the next 24 hours is expected to be in the 51-100 band, but the 24-hr PM2.5 level is expected to remain slightly elevated. Therefore, the health advisory for this period corresponds to the PSI 101-200 band in the MOH Health Advisory for the General Public and Workers.

Haze Forecast

As at 4pm today, the 24-hr PSI is 57-62 and the 24-hr PM2.5 is 46-61µg/m3.

The showers this morning helped to improve the air quality over Singapore. The prevailing southwesterly winds are expected to persist for the next few days. For tomorrow, slightly hazy conditions can still be expected. Thundery showers are forecast in the late morning and early afternoon.

The 24-hr PSI for the next 24 hours is expected to be in the 51-100 band, but the 24-hr PM2.5 level is expected to remain slightly elevated.

Health Advisory (Jun 30, 2013, 6pm - Jul 1, 2013, 6pm)

Based on the 24-hr PSI and 24-hr PM2.5 forecast, the health advisory for this period corresponds to the PSI 101-200 band in the MOH Health Advisory for the General Public and Workers:

Healthy persons: Minimise prolonged or strenuous outdoor physical exertion

Elderly, pregnant women, children: Minimise prolonged outdoor activity

Persons with chronic lung disease, heart disease, or stroke: Avoid all outdoor activity. If outdoor activity is unavoidable, wear an N95 mask.

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