Somdet

Somdet is a district in Kalasin province, Thailand. The area is served by Somdet Hospital and includes schools such as Nong Kung Somdet School and Chumchon Ban Bon Witthaya School. Local points of interest include the Pha Sawoei Cliff Top Viewpoint and several Buddhist temples, including Wat Ni Mit Metha Wat and Wat Pa Saeng Arun.

Last updated: November 2026

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Area profile: Somdet

Everything we know about this area, from official Thai government and open sources.

Official land appraisal (municipal area)

Median appraisal

฿250 / sq. wah

Construction cost (province median)

People

60,911−1.5% since 2021

Gender split

Registered houses

22,871

Population density

123.3 people / km²

People per house

2.7

Environment

Air quality

Province-level reading (Kalasin)

PM2.5 annual mean

31.2 µg/m³

PM10 annual mean

51.9 µg/m³

Days exceeding PM2.5 standard

106

Days exceeding PM10 standard

0

WHO guideline: 5 µg/m³ PM2.5 / 15 µg/m³ PM10. Thai standard: 15 µg/m³ PM2.5 / 50 µg/m³ PM10.

Monthly PM2.5 (burning season)

Terrain & climate

Elevation range

369.6 m

Flood exposure

Check a specific address on the flood history map

Flash-flood terrain susceptibility

Sinkhole susceptibility (DMR)

Not assessed by DMR — this area has not been surveyed for sinkhole susceptibility.

Height above nearest drainage (10th percentile)

-32 m

Distance to nearest stream (10th percentile)

2,962.8 m

Terrain slope (90th percentile)

3.9%

Drought

Rainfall deficit vs 1981–2010+ normal (CHIRPS) — a meteorological reading, not soil moisture, and not a forecast.

Latest 3-month rainfall vs normal

75.7%

Share of 10-day periods in deficit (10y)

15.3%

Worst 3-month deficit (10y)

36.3%

Air quality

PM2.5 — OpenAQ

Reference-grade station

30.3 µg/m³

PM10 — OpenAQ

Reference-grade station

51.4 µg/m³

PM2.5 — Pollution Control Department

Annual mean

31.2 µg/m³

Days exceeding standard

106 days

PM10 — Pollution Control Department

Annual mean

51.9 µg/m³

Days exceeding standard

0 days

Amenities in Somdet

What's within reach — shops, schools, transit and more.

3
Shopping
4
Education
2
Health
1
Leisure
7
Services
3
food

Amenity data © OpenStreetMap contributors

Map of Somdet

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Frequently asked about Somdet

What's near Somdet?

Somdet has 2 supermarkets, 1 hospital, and 1 restaurant or café nearby, based on OpenStreetMap data. Nearby options include Somdet Hospital.

What's the air quality like in Somdet?

Somdet's annual mean PM2.5 is 31.2 µg/m³, against a WHO guideline of 5 µg/m³ and a Thai standard of 15 µg/m³. Air quality is typically worst in April and March. This is a Province-level-level reading, not a station within the area itself.

Is Somdet at risk of flooding?

Somdet's flash-flood terrain susceptibility is Low.

What's the population of Somdet?

Somdet has a registered population of 60,911 (−1.5% since 2021).

What is the official land appraisal price in Somdet?

The Treasury Department's official land appraisal for Somdet (this subdistrict) is ฿250 per square wah (median) — an assessed value used for transfer fees and taxes, not a market price.

How bad is air pollution in Somdet?

According to Thailand's Pollution Control Department, the annual mean PM2.5 level in Somdet is 31.2 µg/m³.