Vietnam · Thai Nguyen · 4 cities
Air quality in Thai Nguyen today The AQI right now, city by city
Right now, Thái Nguyên has the cleanest air of the 4 cities we track in Thai Nguyen (AQI 52, Moderate), and Thành phố Sông Công the worst (AQI 58, Moderate). Thị Trấn Đại Từ has the most tree cover, at 61.6% — #11 of 112 cities measured in Vietnam.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
AQI 55
Average right now
Moderate
- cities tracked
- 4
- average tree cover
- 48.1%
- Vietnam: 35.8%
- worst air now: Thành phố Sông Công
- 58
- cleanest air now: Thái Nguyên
- 52
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Thai Nguyen · average AQI 55
Air quality today across Thai Nguyen, city by city
| Thái Nguyên | 52Moderate | 35.9% | — | #48 of 112 |
|---|---|---|---|---|
| Phổ Yên | 52Moderate | 37.5% | — | #43 of 112 |
| Thị Trấn Đại Từ | 56Moderate | 61.6% | — | #11 of 112 |
| Thành phố Sông Công | 58Moderate | 57.4% | — | #12 of 112 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Vietnam.
Deforestation · 2001–2025
How much forest has Thai Nguyen lost?
Since 2001, Thai Nguyen has lost about 82,500 hectares of forest (about 120,000 football pitches): 47% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 2,990 hectares (3.6%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 82,500 haabout 120,000 football pitches
- Share of its forest
- 47%of what there was in 2000
- Cleared for good
- 2,990 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 30 ha | 310 ha | 340 ha |
| 2002 | 14 ha | 104 ha | 118 ha |
| 2003 | 16 ha | 253 ha | 269 ha |
| 2004 | 149 ha | 1,260 ha | 1,410 ha |
| 2005 | 99 ha | 1,060 ha | 1,160 ha |
| 2006 | 23 ha | 212 ha | 235 ha |
| 2007 | 58 ha | 722 ha | 780 ha |
| 2008 | 47 ha | 720 ha | 767 ha |
| 2009 | 95 ha | 925 ha | 1,020 ha |
| 2010 | 66 ha | 568 ha | 634 ha |
| 2011 | 144 ha | 1,400 ha | 1,550 ha |
| 2012 | 58 ha | 563 ha | 621 ha |
| 2013 | 70 ha | 3,200 ha | 3,270 ha |
| 2014 | 97 ha | 4,260 ha | 4,350 ha |
| 2015 | 103 ha | 6,430 ha | 6,530 ha |
| 2016 | 298 ha | 10,800 ha | 11,100 ha |
| 2017 | 169 ha | 7,320 ha | 7,490 ha |
| 2018 | 171 ha | 6,240 ha | 6,410 ha |
| 2019 | 150 ha | 5,030 ha | 5,180 ha |
| 2020 | 158 ha | 4,200 ha | 4,360 ha |
| 2021 | 198 ha | 7,240 ha | 7,440 ha |
| 2022 | 208 ha | 5,960 ha | 6,170 ha |
| 2023 | 128 ha | 3,290 ha | 3,420 ha |
| 2024 | 192 ha | 3,820 ha | 4,010 ha |
| 2025 | 245 ha | 3,660 ha | 3,900 ha |
Forest loss is slowing down: about 4,990 hectares a year in 2021–2025, down from 6,900 hectares a year in 2016–2020. The worst year was 2016, when about 11,100 hectares of forest were lost.
What is causing deforestation in Thai Nguyen?
- Loggingcan grow back89% · 73,200 ha
- Shifting farmingcan grow back7.5% · 6,180 ha
- Farms, pasture and plantationscleared for good2.9% · 2,420 ha
Also: mining and energy, towns and roads, 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.
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. How it's measured
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