How are PM 2.5 levels inside a condo with no air purifier?

honestly it varies a lot by building. older condos with shitty window seals or sliding doors let in way more than newer ones with proper rubber gaskets. i lived in a place on sukhumvit soi 39 that was built in the 90s and the indoor reading was maybe 60% of outdoor on a bad day with windows closed. my friend in a newer tower on ratchada had it closer to 30-40%. if you're worried get a cheap meter off lazada for like 800 baht and test it, that'll tell u more than any guess

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ngl even with windows shut tight the pm 2.5 still gets in through the bathroom vents and the central air system if your condo has one. i lived in a place on sukhumvit 39 and tested it with a cheap meter from lazada, indoor levels were about 70% of outdoor on a bad day. if you don't want to buy a purifier try putting a damp towel over the bathroom vent and running the ac on recirculate only, it's not perfect but it knocks down the worst of it

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yeah even with windows shut it still gets in through gaps around the door, the bathroom vent, and the kitchen exhaust. i live in an older condo near thong lo and my airthing meter shows it's usually about 30-40% of whatever's outside. newer buildings with central hvac might be better but those systems rarely have good filters anyway. a cheap meter is honestly the best move, you can grab one for like 1500 baht on lazada and then you'll know for sure what you're dealing with

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Krua Dok Mai Kao is solid but I've always found their som tam a bit tame on the pla ra. If you want the real funky version, try the shophouse spots along Soi Udomsuk 26, near the night market end. They pound it fresh with fermented fish that'll clear your sinuses, and it's like 60 baht. Different style from the On Nut places, more Lao-leaning.

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for som tam specifically i'd say the Isaan spots in Chatuchak are underrated, weekdays only though since the weekend crowd ruins the vibe. there's a stall near gate 2 that does tam pa with fermented bamboo shoots, super sour and funky, not something you see much in On Nut. if you're already heading north for Or Tor Kor anyway its worth the detour.

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honestly the som tam at Krua Dok Mai Kao is good but what got me hooked is their nam prik pla raa dip with the raw veggies, that funk hits way harder than the papaya does. think most people sleep on it cuz they just order the som tam and gai yang. also pro tip, go before noon on weekdays, after that teh pla ra gets milder cuz they batch it for the lunch rush

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