SINGAPORE: The PSI reading, which measures the haze, was at 81 at 4pm on Sunday. At 7pm, it dipped to 70.
Sunday's readings are an improvement over Friday's, when the PSI climbed to over 85 after 2pm.
Any reading above 100 is considered unhealthy.
The National Environment Agency (NEA) said on Friday that the haze and burning smell are from fires in Sumatra.
NEA said 85 hotspots were detected on 6 June 2013, over Sumatra.
Winds from the southwest or west during the current southwest monsoon season had also brought the haze to Singapore.
NEA said Singapore has been affected by slight haze since June 13. - CNA/xq
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