Across Sarawak on Monday morning, the air itself seemed to exhale. Overnight, the haze that had pushed several communities into unhealthy territory retreated, with monitoring stations recording a broad return to moderate air quality levels. The improvement was uneven — some areas cleared dramatically, others edged slightly worse — reminding us that the atmosphere does not resolve its troubles all at once, but in fits and starts, and that vigilance is the quiet companion of any recovery.
Sarawak air quality improves as key areas drop from unhealthy to moderate levels
The unhealthy readings that had forced people indoors were receding
Mark
Why does it matter that Serian and Samarahan dropped so sharply overnight? Isn't moderate air quality still not ideal?
Mimi
Moderate is the threshold where you can function. Unhealthy means vulnerable people—children, the elderly, anyone with respiratory issues—are genuinely at risk. The jump from 157 to 98 means those people can step outside again.
Mark
But three areas got worse. Doesn't that suggest the haze is just moving around rather than actually clearing?
Mimi
Possibly. Or it could mean different wind patterns are affecting different parts of the state. The real question is whether this is a trend or a blip. One morning of improvement doesn't mean the problem is solved.
Mark
What would you be watching for if you lived there?
Mimi
Whether those three areas—Sibu, Kapit, Lubok Antu—stabilize or continue climbing. And whether the improvements hold. If Serian and Samarahan slip back into unhealthy levels by afternoon, you know the haze is still sitting over the region, just moving.
Mark
Is there a pattern to which areas improved most?
Mimi
The coastal and western zones cleared faster. Samalaju, Miri, Limbang, Kuching—all dropped significantly. The interior areas like Sibu and Kapit are moving slower or not at all. That suggests the wind is pushing the haze inland rather than out to sea.
The Pulse
- Serian and Samarahan had crossed into unhealthy air territory by Sunday afternoon, with API readings of 157 and 151 forcing residents to limit their time outdoors.
- By Monday morning, those same two towns had shed nearly 60 points each, dropping to 98 and 92 — a dramatic overnight swing that signalled the haze was genuinely lifting.
- Samalaju recorded the sharpest single drop of the monitoring period, falling from 79 to 62, while Bario stood apart as the only station to maintain good air quality throughout.
- Three stations — Sibu, Kapit, and Lubok Antu — bucked the trend, edging slightly higher even as they remained within the moderate band, hinting that eastern Sarawak was not clearing at the same pace as the west.
- The Natural Resources and Environment Board's network showed nearly all stations in the moderate range by 8am, but the patchwork of readings across the state meant continued monitoring remained essential.
Across Sarawak on Monday morning, the air itself seemed to exhale. Overnight, the haze that had pushed several communities into unhealthy territory retreated, with monitoring stations recording a broad return to moderate air quality levels. The improvement was uneven — some areas cleared dramatically, others edged slightly worse — reminding us that the atmosphere does not resolve its troubles all at once, but in fits and starts, and that vigilance is the quiet companion of any recovery.
Sarawak woke Monday to a measurable improvement in the air. Across the state's monitoring network, the haze that had settled over the region was retreating — most visibly in the areas that had suffered most the day before.
Serian and Samarahan had both crossed into unhealthy territory on Sunday afternoon, with API readings of 157 and 151. By 8am Monday, they had fallen to 98 and 92 respectively — the kind of drop that lets children go outside again and makes the sky look like itself. Lundu and Tebedu followed a similar arc, moving from unhealthy Sunday readings of 111 and 109 down to 93 and 73 by morning.
The biggest single improvement came from Samalaju, which dropped 17 points overnight to reach 62. Miri, its industrial training institute, Limbang, Kuching, Sri Aman, Sarikei, Bintulu, and Mukah all recorded declines as well. Bario, the cleanest point on the board throughout, held steady at 50.
Not every corner of the state shared in the clearing. Sibu, Kapit, and Lubok Antu each edged slightly higher, suggesting that Sarawak's eastern regions were moving in a different direction from the west and coast. The increases were minor, and all three remained in the moderate band — but they were a reminder that air quality can shift quickly, and that what lifts in a night can return in a day. The situation, while broadly improved, remained one worth watching.
Sarawak woke Monday morning to cleaner air. The shift was dramatic in some places, modest in others, but across the state the trend pointed in one direction: the haze that had settled over the region was lifting.
By 8am, the Natural Resources and Environment Board's monitoring network showed moderate air quality at nearly every station they track. The exception was Bario, which had held steady in the good range all along. What mattered most, though, was what had changed overnight. Serian and Samarahan—two areas that had crossed into unhealthy territory by Sunday afternoon with readings of 157 and 151 respectively—had dropped sharply to 98 and 92. That's the kind of swing that means people can breathe easier, that children can go outside, that the visible haze that had hung over those towns was thinning.
Lundu and Tebedu followed a similar arc. Both had registered unhealthy readings of 111 and 109 at 4pm Sunday. By morning, Lundu sat at 93 and Tebedu at 73. The improvement was real enough that residents would notice it—the sky a bit clearer, the air a bit lighter in the lungs.
Not everywhere improved at the same pace. Sibu ticked upward slightly, from 66 to 70. Kapit and Lubok Antu also edged higher, though both remained in the moderate band. These were minor movements, the kind that happen in any 16-hour stretch, but they suggested the air quality story in Sarawak was not uniformly good news. The state's eastern regions—Sibu, Kapit, Lubok Antu—seemed to be holding their own or worsening slightly while the western and coastal areas cleared.
The biggest single improvement came from Samalaju, which dropped from 79 to 62 overnight. Miri fell from 79 to 65. The Industrial Training Institute in Miri went from 75 to 62. Limbang, Kuching, Sri Aman, Sarikei, Bintulu, and Mukah all showed declines. Lawas stayed flat at 67. Bario, the cleanest spot on the board, held at 50.
What this snapshot captured was a state in transition. The unhealthy readings that had forced people indoors and made outdoor work difficult were receding. The air quality index—the standard measure used across Malaysia—was moving back into the moderate range where daily life can resume something closer to normal. But the variation across Sarawak's monitoring stations, and the fact that three areas were still creeping upward, meant the situation remained worth watching. Air quality can shift quickly. What clears in a night can return in a day.
Notable Quotes
Sarawak recorded moderate air quality at all monitoring stations except Bario, where the Air Pollutant Index reading remained at good level— Natural Resources and Environment Board's Daily Haze Watch
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