Flood Risk · Province · Northern Region

Flood Risk in Chiang Mai

No station overflowed the bank in the past 30 days (46 stations)

History available for this province: 10 days (since 27 Sep) · a day counts when at least one reading that day was over the bank

No gauge is over the bank right now · closest: Civil Bridge, 89 cm below the bank

Measured rainfall, last 24 h: highest ~81.8 mm at rain gauge Watershed Management and Community Development Unit in the Mae Uam Conservation Forest Area · Latest reading 17:00

3-day rain forecast: up to ~73 mm at Chiang Mai 4 · area average ~17 mm · Source: TMD · updated 17:46

30-Day Trend · 46 Stations · Updated

Statistics and analysis on this page are for reference only and are not an official warning.

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Water gauge map in Chiang Mai Province

Map © OpenStreetMap

Overbank High Normal Low Critically Low Red label = how far the water has overflowed the channel · coloured dot = not overflowing (colour shows how full the channel is) · tap for details

Daily highest water level, 30 days in Chiang Mai Province

Water above the bank (cm)

27 Sep2 Oct6 Oct
Highest point of the day across all stations in the province · a bar above the bank line = at least one gauge overflowed that day

Flood risk points in Chiang Mai Province

Sorted by number of days over the bank in 30 days
  1. Civil Bridgeน้ำแม่ขาน · สันป่าตอง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 89 cm below the bank High
    Rain 3 days~7.3 mm
  2. Chiang Mai 7น้ำฝาง · ฝาง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 90 cm below the bank High
    Rain 3 days~1.7 mm
  3. Water Transmission and Maintenance 2น้ำแม่ดู · สันทราย
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 1.69 m below the bank Normal
    Rain 3 days~13 mm
  4. Mae Tom Bridgeน้ำแม่ต๋อม · อมก๋อย
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 1.79 m below the bank Critically Low
    Rain 3 days~5.6 mm
  5. บ้านสลวงนอกน้ำแม่ริม · แม่ริม
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 1.80 m below the bank Normal
    Rain 3 days~9.0 mm
  6. บ้านริมใต้น้ำเหมือง · แม่ริม
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 1.89 m below the bank Normal
    Rain 3 days~31 mm
  7. Mae Klang Nam Bridgeจอมทอง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 1.98 m below the bank Normal
    Rain 3 days~1.8 mm
  8. บ้านโป่งน้ำแม่กวง · สารภี
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.00 m below the bank Normal
    Rain 3 days~15 mm
  9. บ้านกลางน้ำแม่ขาน · สันป่าตอง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.01 m below the bank Normal
    Rain 3 days~13 mm
  10. Ngad Bridgeพร้าว
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.07 m below the bank Normal
    Rain 3 days~18 mm
  11. Huai Mae Chaem Schoolน้ำแม่แจ่ม · กัลยาณิวัฒนา
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.17 m below the bank Low
    Rain 3 days~33 mm
  12. Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.23 m below the bank Normal
    Rain 3 days~11 mm
  13. บ้านสบวินน้ำแม่วาง · แม่วาง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.33 m below the bank Normal
    Rain 3 days~16 mm
  14. บ้านม่วงป๊อกห้วยมะยมเหม็น · เวียงแหง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.39 m below the bank Low
    Rain 3 days~8.1 mm
  15. Mae Sao bridgeน้ำแม่สาว · แม่อาย
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.45 m below the bank Normal
    Rain 3 days~5.6 mm
  16. สะพานท่าข้ามน้ำแม่แจ่ม · ฮอด
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.45 m below the bank Normal
    Rain 3 days~23 mm
  17. สะพานนวรัฐแม่น้ำปิง · เมืองเชียงใหม่
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.48 m below the bank Normal
    Rain 3 days~21 mm
  18. Chiang Mai 4แม่น้ำปิง · เชียงดาว
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.55 m below the bank Normal
    Rain 3 days~73 mm
  19. บ้านเชียงดาวห้วยแม่มาด · เชียงดาว
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.61 m below the bank Normal
    Rain 3 days~73 mm
  20. บ้านเมืองกึ๊ดแม่น้ำแม่แตง · แม่แตง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.65 m below the bank Normal
    Rain 3 days~24 mm
  21. บ้านพันตนน้ำแม่วาง · แม่วาง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.67 m below the bank Normal
    Rain 3 days~2.2 mm
  22. บ้านแม่แตแม่น้ำปิง · แม่ริม
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.83 m below the bank Normal
    Rain 3 days~1.2 mm
  23. บ้านช่อแลเหมืองสายล่าง · แม่แตง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 2.99 m below the bank Normal
    Rain 3 days~5.0 mm
  24. Huai Mae Ruam Bridgeน้ำแม่รวม · แม่แจ่ม
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.00 m below the bank Critically Low
    Rain 3 days~66 mm
  25. บ้านแม่หวานน้ำแม่กวง · ดอยสะเก็ด
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.06 m below the bank Low
    Rain 3 days~18 mm
  26. Chiang Mai 2แม่น้ำปิง · ฮอด
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.08 m below the bank Normal
    Rain 3 days~27 mm
  27. บ้านโป่งดินห้วยแม่วะ · ดอยสะเก็ด
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.09 m below the bank Low
    Rain 3 days~12 mm
  28. Mae Sa Bridge Bridgeน้ำแม่สา · แม่ริม
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.16 m below the bank Critically Low
    Rain 3 days~43 mm
  29. บ้านสบสอยแม่น้ำปิง · จอมทอง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.24 m below the bank High
    Rain 3 days~1.1 mm
  30. Phaya Athitraj Bridgeอมก๋อย
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.27 m below the bank Normal
    Rain 3 days~8.1 mm
  31. บ้านสันปู่เลยน้ำแม่ขอด · พร้าว
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.29 m below the bank Normal
    Rain 3 days~12 mm
  32. Ping River Bridgeเชียงดาว
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.44 m below the bank Critically Low
    Rain 3 days~19 mm
  33. บ้านสหกรณ์ร่มเกล้าน้ำแม่งัด · พร้าว
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.70 m below the bank Low
    Rain 3 days~4.7 mm
  34. Chiang Mai 3แม่น้ำกก · แม่อาย
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.78 m below the bank Normal
    Rain 3 days~4.6 mm
  35. สะพานวงแหวนรอบ 3แม่น้ำปิง · แม่ริม
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.81 m below the bank Normal
    Rain 3 days~57 mm
  36. Mae Ta Chang Bridgeห้วยแม่ท่าช้าง · หางดง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.96 m below the bank Normal
    Rain 3 days~3.2 mm
  37. Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 3.99 m below the bank Normal
    Rain 3 days~27 mm
  38. บ้านโห้งเหมืองฮอ · สันกำแพง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 4.40 m below the bank Low
    Rain 3 days~5.0 mm
  39. บ้านสบแปะแม่น้ำปิง · จอมทอง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 4.52 m below the bank Normal
    Rain 3 days~8.1 mm
  40. Mae Chaem River Bridge, Ban Paeน้ำแม่แจ่ม · จอมทอง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 4.56 m below the bank Normal
    Rain 3 days~9.3 mm
  41. บ้านแม่แตงแม่น้ำแม่แตง · แม่แตง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 4.59 m below the bank Low
    Rain 3 days~4.9 mm
  42. บ้านหลวงน้ำแม่ตื่น · อมก๋อย
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 4.96 m below the bank Low
    Rain 3 days~5.6 mm
  43. Chiang Mai 5แม่น้ำแม่แตง · แม่แตง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 5.63 m below the bank Low
    Rain 3 days~4.9 mm
  44. Mae Khan Bridgeสะเมิง
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 5.99 m below the bank Low
    Rain 3 days~2.3 mm
  45. Chiang Mai 1แม่น้ำปิง · สันทราย
    Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 6.11 m below the bank Low
    Rain 3 days~1.2 mm
  46. Days over (30 d)0 days
    Peak over (cm)–
    NowNot overflowing · 7.24 m below the bank Normal
    Rain 3 days~9.2 mm

About Flood Monitoring & Water Level Data

Flood risk in Chiang Mai is analyzed from 30 days of water level history across 46 stations in the province, surfacing points that have frequently gone overbank in the past month. The system counts overbank events (water above bank) and records the maximum water-vs-bank value to rank flood risk points in Chiang Mai.

Use this page to check flash flood risk in Chiang Mai before travel or when drafting evacuation preparations. Stations at the top of the list are those with the highest overbank frequency in the past 30 days. The daily-maximum trend chart gives a broader view of the water situation in Chiang Mai.

FAQ

How is flood risk in Chiang Mai calculated?

Calculated from 30-day water level history across monitoring stations in the province. Counts overbank events (water > bank) and records maximum values. More events = higher risk.

Can this be used as an official flood warning?

No. This data is for reference only, not an official warning. Please verify with government agencies.

How often is this updated?

Data is updated several times a day, and the 30-day summary always uses the latest data.