The 24-hour PSI reached 152 in central Singapore at 5pm on 12 October 2026, and N95 masks are going the way air purifiers went. We checked six places that sell them for price and stock on the same day. A box of twenty 3M 8210 masks costs $30.03 at Horme Hardware, $36.03 on Amazon.sg and $42 at Guardian, while FairPrice Online has sold out of every N95 and KN95 it lists.
PSI hit 152 in central Singapore at 5pm today, and masks are the next thing to sell out.
> Quick view: cheapest real N95 is the 3M 8210 at Horme, $30.03 for 20; most stores charge $1.17 to $2.10 a mask; FairPrice Online is sold out, so do not count on it.
PRICE: Horme lists the 3M 8210 N95 respirator, box of 20, at $30.03 with GST, which works out to about $1.50 a mask, the lowest per-mask price for a NIOSH-approved N95 in this roundup. The listing is marked non-discountable and non-exchangeable.THE MASK: the 8210 is 3M's classic cup-shaped N95 (NIOSH approval TC-84A-0007) with two welded straps, a nose foam cushion and an adjustable nose clip, and no exhalation valve.WHERE TO BUY: online with delivery (the site quoted arrival by Friday 16 October for an order today), or at Horme's stores in Buroh, Changi, Ubi and Woodlands Trade Centres plus two Ingco by Horme shops at Lower Delta and Tampines. The site showed the box as unavailable at Ubi Trade Centre on 12 October, so use the Find In Store button before you travel.DELIVERY: free above $120 for members.BEST FOR: anyone who wants a full box of genuine N95s at the lowest unit price and can wait a few days or drive to a trade centre.
3M 8210 N95, box of 20: $30.03 with GST (about $1.50 a mask). Free delivery above $120 for members.
PRICE: Watsons sells the Air+ KN95 disposable mask at $5.85 for a pack of 5, about $1.17 a mask, in sizes S, M and L. All three sizes showed in stock online on 12 October, which is more than Guardian could say.THE MASK: Air+ states BFE above 99.9% and PFE above 95%. KN95 is China's GB2626 standard, not the US NIOSH N95 approval, but it is built to the same 95% particle-filtration level and has a fold-flat shape many people find easier to wear for hours.SIZES MATTER: an N95 or KN95 only works when it seals around your nose and chin, and sized packs make that easier for smaller faces.OTHER LINES: Watsons also lists a GreenCare KN95 3D mask, 20 for $19.80, but it was out of stock. 10.10 CODES: Watsons' online 10.10 sale codes run to 14 October, 11.59pm, including 23TENSALE ($23 off $130) and 40TENSALE ($40 off $210). They only matter if you are stocking up on other haze buys like eye drops and lozenges too.BEST FOR: smaller faces, teenagers who fit an S, and anyone who wants a comfortable fold-flat mask today.
Air+ KN95, 5 for $5.85 (S, M, L in stock online). Online 10.10 codes to 14 Oct: 23TENSALE gives $23 off $130.
Code: 23TENSALE
Valid till 14 Oct 2026
PRICE: Guardian sells the 3M 8210 N95 at $2.10 a mask. The listing says to add 20 to the cart for a full box, which comes to $42, the dearest box in this roundup but the only place here that lets you buy just a few masks. It showed in stock online on 12 October.ALSO HERE: Air+ KN95, 5 for $5.85, the same price as Watsons, but only size S was in stock online; M and L were sold out.DELIVERY: Guardian's online store charges for home delivery on small orders, while Click & Collect lets you pick up at a store, so for a handful of masks it is usually simpler to walk into a branch and ask at the pharmacy counter.BEST FOR: elderly parents or anyone who needs three or four masks for one outdoor day, not a whole box.
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PRICE: Amazon.sg lists the 3M 8210 N95, box of 20, at S$36.03, about $1.80 a mask, sold and shipped by Amazon US. It showed in stock on 12 October.DELIVERY: free on eligible international items over S$60, and an order placed today was quoted to arrive on Tuesday 20 October, so this is a restock option, not a same-week fix. Two boxes (S$72.06) clear the free-shipping line.OTHER LISTINGS: search results also turn up valved 8210V boxes and multi-box cases at far higher prices, so check that the title says 8210 (Box/20) before you pay.BEST FOR: households that want a spare box or two in the cupboard for the rest of the haze season and do not mind the wait.
3M 8210 N95, box of 20: S$36.03, shipped by Amazon US. Free delivery on eligible international items over S$60.
WHAT IT IS: NOAH Agencies 'N' Marine Services is a 3M authorised distributor of safety equipment, and its 3M 8210 haze listing showed In Stock on 12 October. PRICE: quote only. There is no public price; you use the Request Quote button or call. 3M sells the 8210 in boxes of 20 and cases of 160, which is the size most offices, schools and condo managements buy for outdoor staff. WHERE: the solution centre is at 20 Tuas Avenue 4, Singapore 639370, phone 6266 0788.WHY IT IS HERE: when retail shelves empty, an authorised distributor is the safest place to buy in bulk without risking counterfeit 3M stock from unknown marketplace sellers.BEST FOR: employers who need to equip security, delivery or maintenance staff who work outdoors for long hours.
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STOCK: on 12 October, every N95 and KN95 on FairPrice Online showed out of stock: the 3M 8210 box of 20 ($45.50), the 3M 1860 box of 20 ($76.20), the fold-flat 3M Aura 9210+ ($5 each, or $85 for 20) and Wistech KN95 10-packs for adults and kids ($14.90). All of them are marketplace-seller listings, not FairPrice's own stock, and they were priced well above Horme and Amazon.sg even before they sold out.IN STORES: Unity's own haze guide points shoppers to FairPrice Online and Unity pharmacies, so it is worth asking at a Unity counter, but we could not confirm shelf stock at any branch.ADD-ONS: Unity and FairPrice still carry the lozenges, eye drops and saline sprays MOH suggests for irritation.BEST FOR: checking back later in the week; do not plan around it today.
Get Deal| Where | Mask | Pack price | Per mask | Stock on 12 Oct |
|---|---|---|---|---|
| Horme Hardware | 3M 8210 N95 | $30.03 for 20 | $1.50 | In stock online; not at Ubi |
| Watsons | Air+ KN95 | $5.85 for 5 | $1.17 | S, M, L in stock online |
| Guardian | 3M 8210 N95 | $2.10 each ($42 for 20) | $2.10 | In stock online |
| Guardian | Air+ KN95 | $5.85 for 5 | $1.17 | Size S only |
| Amazon.sg | 3M 8210 N95 | S$36.03 for 20 | $1.80 | In stock, arrives 20 Oct |
| NOAH | 3M 8210 N95 | Quote only | Quote only | Listed in stock |
| FairPrice Online | 3M 8210 / 1860 / Aura, Wistech KN95 | $14.90 to $85 | $1.49 to $5 | All sold out |
Probably not for the walk to the MRT. MOH's haze guidance says N95 masks are generally not needed for short-term exposure such as commuting, and not needed indoors. They are meant for healthy people who must be outdoors for several hours when air quality is hazardous (PSI above 300). Elderly people, pregnant women and anyone with heart or lung disease should ask their own doctor whether to wear one.
What does matter at 152: surgical and cloth masks do not filter PM2.5, so they are not haze protection. If you are going to wear something for a long outdoor shift, make it an N95 or KN95 that fits.
Every price and stock status above was read on 12 October 2026, the day the 24-hour PSI reached 152 in central Singapore, off each seller's own site: Horme's 3M 8210 product page, Watsons' and Guardian's online stores, the Amazon.sg listing, NOAH's 8210 page and FairPrice Online's search. Stock is moving by the hour, so treat "in stock" as a snapshot, not a promise.
On 12 October 2026, the lowest price we found for a NIOSH-approved N95 was the 3M 8210 at Horme Hardware: $30.03 for a box of 20, about $1.50 a mask, with delivery quoted for 16 October or pickup at its trade-centre stores. Amazon.sg had the same box at S$36.03, and Guardian sells it at $2.10 a mask. Air+ KN95 at Watsons works out cheaper per mask ($5.85 for 5, $1.17 each) but is a KN95, not a NIOSH N95.
Guardian sells the 3M 8210 N95 at $2.10 a piece, in stock online on 12 October, plus Air+ KN95 (5 for $5.85, size S only). Watsons' online store does not list a NIOSH N95; it sells Air+ KN95 at $5.85 for 5 in sizes S, M and L, all in stock, while its GreenCare KN95 20-pack ($19.80) was sold out.
Both are designed to filter at least 95% of fine particles, which is what matters for PM2.5. The difference is the certifying standard: N95 is approved by the US NIOSH, while KN95 follows China's GB2626. In practice, a KN95 that seals well on your face will do more than an N95 that leaks at the sides, so pick the one that fits you.
MOH says N95 masks are generally not needed for short exposure such as commuting, or indoors. They are recommended for healthy people who must be outdoors for several hours when the PSI is above 300 (hazardous). At 152, the better moves are to cut down prolonged outdoor exertion, keep windows closed and run an air purifier. Elderly people, pregnant women and those with heart or lung conditions should check with their own doctor.
