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City report · Thailand

Surat Thani Air quality today

Air quality in Surat Thani currently reads AQI 38 (Good): Air quality is satisfactory for everyone.

Air quality right now

AQI 38

Good

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
6.8
tree cover
34.3%
trees in this area
104K
more trees needed
0

Measured across a 2 km radius around Talat, Mueang Surat Thani District, Surat Thani 84000, Thailand (12.57 km²), from a satellite image of Aug 3, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Surat Thani · AQI 38 (Good)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Aug 3, 2026

Surat Thani's tree count comes to 103,770 trees across 12.1 km² of land, already at or above the 30% tree-cover level considered healthy for this area.

Air quality detail

Air quality in Surat Thani today: AQI 38, Good

Main pollutant: PM2.5 · Observed Nov 11, 21:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Environment Agency Section 14, Surat Thani, 1.8 km away

Health signal

Air quality is satisfactory for everyone.

PM2.5

6.8

PM10

—

NO₂

—

O₃

—

SO₂

—

CO

—

Data: OpenAQ · Air4Thai, Pollution Control Department, Thailand · Air4Thai

Outdoor exercise
A good day to be active outside
Windows
Open them to air the house
Mask
Not needed
Air purifier
Not needed

Over the last 7 days, the CAMS air-quality model put Surat Thani's daily AQI at 30 on average, from 15 on Nov 8 to an hourly peak of 56 on Nov 10.

Last 7 days · model estimateavg 30 · peak 56
Nov 5: AQI 29 (peak 44)Nov 6: AQI 36 (peak 54)Nov 7: AQI 28 (peak 54)Nov 8: AQI 15 (peak 24)Nov 9: AQI 34 (peak 51)Nov 10: AQI 46 (peak 56)Nov 11: AQI 23 (peak 43)
Nov 5Nov 11

Where Surat Thani stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Surat Thani: Healthy tree cover

34.3% tree cover against a 30% healthy-neighborhood target, across 12.1 km² of land.

Target reached

Trees in this area

103,770

Target trees

103,770

More trees needed

0

CO₂ if planted / yr

0 kg

Deforestation · 2001–2025

How much forest has Surat Thani lost?

Since 2001, the area within 10 km of Surat Thani has lost about 5,600 hectares of forest (about 7,800 football pitches): 37% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.

Satellite image of the area around Surat Thani, February 2017

2017: satellite photo from February 2017 of a 5 × 5 km area about 7 km southwest of the city center.

Forest lost since 2001
5,600 haabout 7,800 football pitches
Share of its forest
37%of what there was in 2000
Cleared for good
5,590 hadeforestation: turned into farms, mines or towns

Forest loss has stayed about the same: about 235 hectares a year in 2021–2025, against 215 hectares a year in 2016–2020. The worst year was 2008, when about 547 hectares of forest were lost.

Forest lost each year around Surat Thani, 2001–2025

Hectares of forest lost each year

Forest lost each year around Surat Thani, 2001–2025. Use the left and right arrow keys to read each year.547

Show the figures as a table
Forest lost each year around Surat Thani, 2001–2025
YearCleared for goodCan grow backTotal
200171 haunder 1 ha71 ha
200286 haunder 1 ha86 ha
2003136 haunder 1 ha136 ha
2004187 ha1 ha188 ha
2005183 haunder 1 ha183 ha
2006209 haunder 1 ha209 ha
2007123 haunder 1 ha123 ha
2008546 ha1 ha547 ha
2009299 haunder 1 ha299 ha
2010475 haunder 1 ha475 ha
2011223 ha3 ha226 ha
2012284 ha1 ha285 ha
201397 haunder 1 ha98 ha
2014225 haunder 1 ha225 ha
2015205 haunder 1 ha205 ha
2016247 haunder 1 ha247 ha
2017255 haunder 1 ha255 ha
2018191 ha1 ha192 ha
2019202 haunder 1 ha202 ha
2020180 haunder 1 ha180 ha
2021146 haunder 1 ha146 ha
2022126 haunder 1 ha126 ha
2023383 haunder 1 ha383 ha
2024309 ha1 ha310 ha
2025202 ha6 ha208 ha

What is causing deforestation around Surat Thani?

  • Farms, pasture and plantationscleared for good77% · 4,330 ha
  • Towns and roadscleared for good19% · 1,090 ha
  • Mining and energycleared for good3.2% · 179 ha

Also: storms, floods and other natural causes, unknown causes.

Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.

Forest gained and lost, 2000–2020

Forest in 2000
15,100 ha
Forest in 2020
13,100 ha
Overall change
−1,990 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Surat Thani shrank from about 15,100 hectares to 13,100 hectares, a net loss of about 1,990 hectares (−13%). New forest grew on about 1,530 hectares, but 3,520 hectares were lost.

These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.

These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.

Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured

In the same region

Measured cities near Surat Thani

Same 2 km radius, same index — so they compare directly.

  • Nakhon Si Thammarat

    Thailand

    105.0 km
    Tree cover
    29%
    Air quality
    32
  • Hat Yai

    Thailand

    268.4 km
    Tree cover
    15%
    Air quality
    41
  • Alor Setar

    Malaysia

    354.3 km
    Tree cover
    24%
    Air quality
    47
  • Myeik

    Myanmar

    375.5 km
    Tree cover
    26%
    Air quality
    28
  • Hua Hin

    Thailand

    387.5 km
    Tree cover
    31%
    Air quality
    58
  • Sungai Petani

    Malaysia

    408.7 km
    Tree cover
    29%
    Air quality
    52

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Surat Thani air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Surat Thani

What is the air quality (AQI) in Surat Thani right now?

The latest reading for Surat Thani shows an AQI of 38 (Good), measured Nov 11, 21:00 local time by the Environment Agency Section 14, Surat Thani ground monitoring station, 1.8 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.

Is it safe to exercise outside in Surat Thani today?

At AQI 38 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.

What has the air quality in Surat Thani been like this week?

Over the last 7 days, the CAMS air-quality model put Surat Thani's daily AQI at 30 on average, from 15 on Nov 8 to an hourly peak of 56 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

How much forest has the area around Surat Thani lost since 2001?

Since 2001, the area within 10 km of Surat Thani has lost about 5,600 hectares of forest (about 7,800 football pitches): 37% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 235 hectares a year in 2021–2025, against 215 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Surat Thani shrank from about 15,100 hectares to 13,100 hectares, a net loss of about 1,990 hectares (−13%). New forest grew on about 1,530 hectares, but 3,520 hectares were lost.

What is the tree count in Surat Thani?

Surat Thani has an estimated 103,770 trees across the 12.1 km² of land measured — 34.3% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Surat Thani need?

Surat Thani has already reached its tree-cover target, so no additional trees are needed to close the gap.

How are Surat Thani's air quality and tree cover measured?

Air quality is measured by ground monitoring stations near Talat, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Talat; the tree count is an estimate derived from that cover.

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