Sai Noi
Sai Noi is a subdistrict in Sai Noi District, Nonthaburi Province. The area has property inventory records available, and two places of worship are located nearby. As a subdistrict setting in Nonthaburi, it offers a quieter residential environment within the greater Bangkok metropolitan region.
Last updated: November 2026
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Area profile: Sai Noi
Everything we know about this area, from official Thai government and open sources.
Official land appraisal (municipal area)
Median appraisal
฿2,000 / sq. wah
Median appraisal
฿2,750 / sq. wah
Construction cost (province median)
People
33,966+11.5% since 2021
Gender split
Registered houses
19,202
Population density
1,442.8 people / km²
People per house
1.8
Environment
Air quality
Province-level reading (Nonthaburi)
PM2.5 annual mean
26.6 µg/m³
PM10 annual mean
44.5 µg/m³
WHO guideline: 5 µg/m³ PM2.5 / 15 µg/m³ PM10. Thai standard: 15 µg/m³ PM2.5 / 50 µg/m³ PM10.
Terrain & climate
Elevation range
12.1 m
Drought
Rainfall deficit vs 1981–2010+ normal (CHIRPS) — a meteorological reading, not soil moisture, and not a forecast.
Latest 3-month rainfall vs normal
109%
Share of 10-day periods in deficit (10y)
23.6%
Worst 3-month deficit (10y)
23.7%
Air quality
PM2.5 — OpenAQ
Reference-grade station
26.6 µg/m³
PM10 — OpenAQ
Reference-grade station
44.5 µg/m³
Amenities in Sai Noi
What's within reach — shops, schools, transit and more.
Hospitals(1)Show
- Sai Noi Hospital1.1 km
Amenity data © OpenStreetMap contributors
Projects in Sai Noi
Condos and developments in this area
A Land Condo Westgate - Sai Noi is a condominium project located in Sai Noi, Sai Noi District, Nonthaburi Province. The project sits in a quieter subdistrict setting within the greater Bangkok metropolitan region. Kamphaeng Saen Airport is reachable in about 59 minutes. The area also offers 1 nearby tourist attraction and 1 nearby beach. The developer and completion date have not been disclosed.
Asia Home Town is a condominium project located in Sai Noi, Sai Noi, Nonthaburi. The surrounding subdistrict offers a quieter residential setting within the greater Bangkok metropolitan region. Nearby points of interest include Windchill Ltd.'s Factory, roughly 17 minutes away, and Kamphaeng Saen Airport, about 59 minutes away. There is also one beach in the vicinity.
completed 2016
completed 2021
completed 2010
Explore Baan Nunticha 4
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Map of Sai Noi
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Frequently asked about Sai Noi
What's near Sai Noi?
Sai Noi has 1 hospital nearby, based on OpenStreetMap data. Nearby options include Sai Noi Hospital.
What's the air quality like in Sai Noi?
Sai Noi's annual mean PM2.5 is 26.6 µg/m³, against a WHO guideline of 5 µg/m³ and a Thai standard of 15 µg/m³. This is a Province-level-level reading, not a station within the area itself.
What's the population of Sai Noi?
Sai Noi has a registered population of 33,966 (+11.5% since 2021).
What is the official land appraisal price in Sai Noi?
The Treasury Department's official land appraisal for Sai Noi (this subdistrict) is ฿2,000 per square wah (median) — an assessed value used for transfer fees and taxes, not a market price.
How bad is air pollution in Sai Noi?
According to OpenAQ reference-grade monitoring stations, the annual mean PM2.5 level in Sai Noi is 26.6 µg/m³.