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TH · Thailand · Chiang Mai Province

Wildfires in Mae Ai แม่อาย

Mae Ai, Thailand, has had 18 large fires recorded by GWIS since 2016: 16,486 hectares burned inside its boundaries, 20% of its area. Fire danger today: very low (FWI 0).

Only fires of 1,000 ha or more get an entry: smaller ones are not in the lists or the totals on this page.

Fire danger, today and the coming days

FWI computed from the Open-Meteo forecast
  1. Tue 3 Very low 30° · 56 % · 17 km/h
  2. Wed 4 Very low 28° · 77 % · 18 km/h
  3. Thu 5 Very low 29° · 57 % · 14 km/h
  4. Fri 6 Very low 27° · 74 % · 18 km/h
  5. Sat 7 Very low 26° · 76 % · 17 km/h
  6. Sun 8 Very low 26° · 71 % · 17 km/h
  7. Mon 9 Very low 26° · 66 % · 42 km/h
  8. Tue 10 Very low 24° · 57 % · 31 km/h

Canadian Fire Weather Index, the same system Copernicus uses, computed by WorldFires from the weather forecast and two months of past weather for fuel state. It is an estimate per municipality, not an official warning: warnings are issued by each country’s emergency service.

The municipality and its fires

Since 2016

16,486
hectares burned
20 %
of its area
18
fires
805
km²

How many times has Mae Ai burned?

Mae Ai has burned 18 times since 2016, in 7 years: 2016, 2018, 2019, 2020, 2023, 2024 and 2026. The most recent: Mueang Chiang Rai fire, 11 April 2026, with 1,261 hectares inside the municipality. Together they add up to 16,486 hectares burned inside the municipality, but the distinct burned area is 14,142 hectares, 18 % of its surface: part of it burned more than once.

  1. 4× 16
  2.   17
  3. 1× 18
  4. 2× 19
  5. 3× 20
  6.   21
  7.   22
  8. 3× 23
  9. 1× 24
  10.   25
  11. 4× 26
18
fires
7
years with fire
16,486
cumulative ha
14,142
distinct ha

Fires larger than 1,000 hectares with a perimeter since 2016 that reached the municipality, even partly. Cumulative hectares add up every fire; the distinct area counts land that burned several times only once. Perimeters and boundaries overlaid by WorldFires.

Where it has burned most often in Thailand →

Fires that entered Mae Ai

  1. 1,261 ha Mueang Chiang Rai fire, 11 April 2026 1.6% of the municipality · 2,172 ha in total · 7 days
  2. 1,574 ha Mae Ai fire, April 2026 where it started 2.0% of the municipality · 2,092 ha in total · 12 days
  3. 261 ha Mae Ai fire, March 2026 where it started 0.3% of the municipality · 1,788 ha in total · 8 days
  4. 110 ha Mae Suai fire, 28 March 2026 0.1% of the municipality · 9,691 ha in total · 22 days
  5. 120 ha Chai Prakan fire, 1 April 2024 0.2% of the municipality · 2,383 ha in total · 9 days
  6. 354 ha Mae Ai fire, 27 March 2023 where it started 0.4% of the municipality · 1,293 ha in total · 7 days
  7. 1,670 ha Mae Ai fire, 26 March 2023 where it started 2.1% of the municipality · 1,778 ha in total · 6 days
  8. 1,148 ha Mae Ai fire, 24 March 2023 where it started 1.4% of the municipality · 1,533 ha in total · 10 days
  9. 1,298 ha Mueang Chiang Rai fire, April 2020 1.6% of the municipality · 1,342 ha in total · 5 days
  10. 1,300 ha Mae Ai fire, April 2020 where it started 1.6% of the municipality · 1,522 ha in total · 5 days
  11. 1,011 ha Mae Ai fire, March 2020 where it started 1.3% of the municipality · 1,005 ha in total · 8 days
  12. 481 ha Fang fire, 30 March 2019 0.6% of the municipality · 1,438 ha in total · 3 days
  13. 473 ha Mae Suai fire, 13 March 2019 0.6% of the municipality · 10,574 ha in total · 24 days
  14. 1,311 ha Mae Ai fire, April 2018 where it started 1.6% of the municipality · 1,333 ha in total · 4 days
  15. 9 ha Mueang Chiang Rai fire, 7 April 2016 0.0% of the municipality · 1,863 ha in total · 16 days
  16. 2,374 ha Mae Ai fire, 6 April 2016 where it started 3.0% of the municipality · 2,446 ha in total · 19 days
  17. 1,306 ha Mae Ai fire, 3 April 2016 where it started 1.6% of the municipality · 1,299 ha in total · 13 days
  18. 425 ha Mae Suai fire, 1 April 2016 0.5% of the municipality · 21,629 ha in total · 27 days

Where this data comes from

Perimeters come from GWIS (Copernicus, CC BY 4.0), rebuilt from heat detections, and municipal boundaries from geoBoundaries/Royal Thai Survey Department, OCHA ROAP (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). The area per municipality is computed by WorldFires by crossing both. The forecast is from Open-Meteo (CC BY 4.0).

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