LSN News › Singapore

World · Singapore Bureau

Singapore's air quality deteriorates with western regions reaching hazardous levels

Air quality across Singapore has worsened significantly, with the western region recording a 24-hour Pollutant Standards Index of 228 as of 8am on Monday. Other areas of the island remain in the unhealthy range.

LSN Singapore · 18 October 2026

Singapore's air quality deteriorates with western regions reaching hazardous levels

The Pollutant Standards Index reading in Singapore's western region has climbed into the very unhealthy category, indicating poor air quality conditions that may affect a broad segment of the population. The 228 PSI measurement recorded at 8am represents a substantial increase in atmospheric pollution levels.

Residents in the western part of the island are advised to reduce outdoor activities and take precautionary health measures. The remainder of Singapore continues to experience unhealthy air quality levels, though conditions are less severe than those affecting the west.

The National Environment Agency has been monitoring the situation closely. Authorities typically attribute such deterioration in air quality to transboundary haze, particularly during periods when regional fire activity increases atmospheric particulate matter.

Members of the public, especially those with respiratory conditions, cardiovascular disease, or the elderly and young children, are recommended to limit prolonged outdoor exposure and use N95 masks if venturing outside. Real-time PSI updates are available through official government channels.