Singapore's haze years arrive with very little notice. What you get instead is a forecast — and this year's is unusually blunt.
On 24 June 2026 the Singapore Institute of International Affairs published its Haze Outlook 2026 and rated the region "Red": a high risk of a severe transboundary haze event. It is only the second Red rating since the report began in 2019, and it names August and September as the peak danger period, with El Niño and a positive Indian Ocean Dipole keeping the region drier than usual into around October.
That timing is the whole point of this list. Air purifiers in Singapore follow a reliable pattern: plentiful and discounted before the haze, sold out and full-price during it. Right now the discounts are still live.
We checked eight brands' own Singapore stores on 30 July 2026 and recorded what each actually charges — no marketplace listings, no "from" prices lifted off a review site. Cheapest real HEPA unit on the list is $129; the biggest single discount is $200 off the Dyson TP10; and the cheapest way to cover three rooms is Sterra's buy-2-get-1-free bundle at $458 for three purifiers.
Three things worth knowing before you scroll:
- CADR beats coverage claims. A "48m²" rating assumes a sealed room. Open-plan HDB living-dining? Size up.
- Carbon matters more than HEPA grade during haze. Smoke brings odours and gases that a HEPA filter alone won't touch.
- Buy a spare filter now. Haze eats filter life, and replacement filters go the same way as the machines.
Ranked from cheapest entry to premium.











