Om Yai
Om Yai is a subdistrict in Sam Phran, Nakhon Pathom, home to the Mahamakut Buddhist University Sirindhornrajavidhayalaya Campus. The area has property inventory records available and a convenience store nearby.
Last updated: November 2026
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Area profile: Om Yai
Everything we know about this area, from official Thai government and open sources.
Official land appraisal (municipal area)
Median appraisal
฿5,500 / sq. wah
Construction cost (province median)
People
18,405+1.3% since 2021
Gender split
Registered houses
18,593
Population density
1,844.8 people / km²
People per house
1
Environment
Air quality
Province-level reading (Nakhon Pathom)
PM2.5 annual mean
26.1 µg/m³
PM10 annual mean
65.1 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
5.6 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
96.7%
Share of 10-day periods in deficit (10y)
21.4%
Worst 3-month deficit (10y)
27.9%
Air quality
PM2.5 — OpenAQ
Reference-grade station
26.1 µg/m³
PM10 — OpenAQ
Reference-grade station
65.1 µg/m³
Amenities in Om Yai
What's within reach — shops, schools, transit and more.
Amenity data © OpenStreetMap contributors
Projects in Om Yai
Condos and developments in this area

BAAN PRUKSA 48 AOMYAI – PETCHKASEM is a condominium located in Om Yai, Sam Phran, Nakhon Pathom. The project is situated in an area with nearby attractions and transport links, including the 1978 World Orchid Conference about 8 minutes away and Kamphaeng Saen Airport about 65 minutes away. There is also 1 nearby beach. Details about the developer, completion date, and amenities have not been provided.

Joy Home is a condominium project located in Om Yai, Sam Phran, Nakhon Pathom. The developer and completion date have not been disclosed. Nearby points of interest include the 1978 World Orchid Conference attraction, about 8 minutes away, and Kamphaeng Saen Airport, about 65 minutes away. There is also 1 nearby beach in the area.

Thanathong Sweet House is a condominium project located in Om Yai, Sam Phran, Nakhon Pathom. The developer and completion date have not been disclosed. Points of interest in the area include the 1978 World Orchid Conference attraction, about 6 minutes away, and Kamphaeng Saen Airport, roughly 63 minutes away. There is also 1 nearby beach.

The Shelter Phetkasem-Omyai is a condominium project located in Om Yai, Sam Phran, Nakhon Pathom. The developer and completion date have not been disclosed, and no amenities have been listed for the project. Nearby points of interest include the 1978 World Orchid Conference attraction, which is about 6 minutes away, and Kamphaeng Saen Airport, which is about 63 minutes away. There is also 1 nearby beach. The surrounding Om Yai area is a subdistrict in Sam Phran, Nakhon Pathom, home to the Mahamakut Buddhist University Sirindhornrajavidhayalaya Campus, with a convenience store nearby.
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Frequently asked about Om Yai
What's near Om Yai?
Om Yai has 1 supermarket nearby, based on OpenStreetMap data.
What's the air quality like in Om Yai?
Om Yai's annual mean PM2.5 is 26.1 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 Om Yai?
Om Yai has a registered population of 18,405 (+1.3% since 2021).
What is the official land appraisal price in Om Yai?
The Treasury Department's official land appraisal for the municipal area covering Om Yai is ฿5,500 per square wah (median) — an assessed value used for transfer fees and taxes, not a market price.
How bad is air pollution in Om Yai?
According to OpenAQ reference-grade monitoring stations, the annual mean PM2.5 level in Om Yai is 26.1 µg/m³.