City report · Thailand
Udon Thani
Measured across a 2 km radius around Mak Khaeng Sub-district, Mueang Udon Thani District, Udon Thani 41000, Thailand (12.57 km²)
- Tree cover
- 31.8%
- Air quality
- 28Good
- Trees in this area
- 98.0K
- More trees needed
- 0
- Area analyzed
- 12.33 km²land, in a 12.57 km² circle
- Satellite image
- Sep 22, 2026
Udon Thani's tree count comes to 98,004 trees across 12.33 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 28 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
31.8% tree cover against a 30% healthy-neighborhood target, across 12.33 km² of land.
Trees in this area
98,004
Target trees
98,004
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 28Good
Observed Sep 27, 11:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.1
PM10
3.3
NO₂
1.1
O₃
59.0
SO₂
1.2
CO
138.0
Frequently asked
Questions about Udon Thani
What is the tree count in Udon Thani?
Udon Thani has an estimated 98,004 trees across the 12.33 km² of land measured — 31.8% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Udon Thani need?
Udon Thani has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Udon Thani right now?
The latest reading for Udon Thani shows an AQI of 28 (Good), observed Sep 27, 11:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Udon Thani's tree cover and air quality measured?
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 Mak Khaeng Sub-district; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS, US EPA index and may differ from street-level monitors.
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