Singapore haze eases slightly but PSI stays unhealthy
· Climate · Singapore · Vietnam
Air quality in Singapore saw a slight improvement, but 1-hour PM2.5 readings remained elevated in two regions, and the National Environment Agency said the 24-hour PSI is expected to range from 110 to 180 on Wednesday, in the unhealthy to very unhealthy range. The haze has prompted advice on air purifiers, including filter replacement and running costs. In Vietnam, authorities are considering remote work and online classes as air quality worsens in Hanoi, which regularly ranks among the world's most polluted cities in winter months.
Why it matters：Persistent regional haze affects public health and daily life across Southeast Asia and tests cross-border environmental cooperation.
Key points
- Singapore's 24-hour PSI forecast at 110 to 180
- One-hour PM2.5 elevated in two regions
- Hanoi weighs remote work and online classes
Sources (original reporting)
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