City report · Guangxi, China
Chongzuo Air quality today
Air quality in Chongzuo currently reads AQI 64 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 64
Moderate
- PM2.5, fine particles (µg/m³)
- 15.9
- tree cover
- 46.0%
- trees in this area
- 144K
- more trees needed
- 0
Measured across a 2 km radius around Jiangzhou District, Chongzuo, Guangxi, China (12.57 km²), from a satellite image of Sep 21, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Chongzuo · AQI 64 (Moderate)
Chongzuo's tree count comes to 144,080 trees across 12.53 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Chongzuo today: AQI 64, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · shì huánbǎo jú jiāng zhōu fēnjú, Chongzuo (崇左市环保局江州分局), 4.2 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
15.9
PM10
36.7
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Chongzuo's daily AQI at 45 on average, from 26 on Nov 10 to an hourly peak of 73 on Nov 7.
Where Chongzuo stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Chongzuo: Healthy tree cover
46.0% tree cover against a 30% healthy-neighborhood target, across 12.53 km² of land.
Trees in this area
144,080
Target trees
144,080
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Chongzuo lost?
Since 2001, the area within 10 km of Chongzuo has lost about 1,920 hectares of forest (about 2,700 football pitches): 34% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 183 hectares (9.5%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from December 2017 of a 5 × 5 km area about 7 km south of the city center.
- Forest lost since 2001
- 1,920 haabout 2,700 football pitches
- Share of its forest
- 34%of what there was in 2000
- Cleared for good
- 183 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 89 hectares a year in 2021–2025, against 107 hectares a year in 2016–2020. The worst year was 2017, when about 227 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 23 ha | 24 ha | 47 ha |
| 2002 | 15 ha | 19 ha | 34 ha |
| 2003 | 7 ha | 139 ha | 145 ha |
| 2004 | 11 ha | 53 ha | 64 ha |
| 2005 | 16 ha | 29 ha | 45 ha |
| 2006 | 6 ha | 26 ha | 33 ha |
| 2007 | 13 ha | 77 ha | 90 ha |
| 2008 | 5 ha | 121 ha | 126 ha |
| 2009 | 13 ha | 160 ha | 173 ha |
| 2010 | 9 ha | 43 ha | 52 ha |
| 2011 | 2 ha | 19 ha | 21 ha |
| 2012 | 3 ha | 10 ha | 13 ha |
| 2013 | 3 ha | 16 ha | 20 ha |
| 2014 | 2 ha | 29 ha | 30 ha |
| 2015 | 7 ha | 42 ha | 49 ha |
| 2016 | 6 ha | 110 ha | 116 ha |
| 2017 | 6 ha | 221 ha | 227 ha |
| 2018 | 4 ha | 39 ha | 43 ha |
| 2019 | 12 ha | 25 ha | 37 ha |
| 2020 | 6 ha | 108 ha | 114 ha |
| 2021 | 5 ha | 79 ha | 84 ha |
| 2022 | 4 ha | 184 ha | 188 ha |
| 2023 | 4 ha | 119 ha | 123 ha |
| 2024 | 2 ha | 26 ha | 29 ha |
| 2025 | under 1 ha | 22 ha | 22 ha |
What is causing deforestation around Chongzuo?
- Loggingcan grow back90% · 1,730 ha
- Towns and roadscleared for good6.9% · 132 ha
- Farms, pasture and plantationscleared for good1.5% · 29 ha
Also: mining and energy, 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
- 10,600 ha
- Forest in 2020
- 9,540 ha
- Overall change
- −1,050 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Chongzuo shrank from about 10,600 hectares to 9,540 hectares, a net loss of about 1,050 hectares (−9.9%). New forest grew on about 295 hectares, but 1,350 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 Chongzuo
Same 2 km radius, same index — so they compare directly.
- Pingxiang, Guangxi70.5 km
China
- Tree cover
- 63%
- Air quality
- 26
- Lạng Sơn85.9 km
Vietnam
- Tree cover
- 32%
- Air quality
- 34
- Nanning108.7 km
China
- Tree cover
- 22%
- Air quality
- 122
- Dongxing111.2 km
China
- Tree cover
- 25%
- Air quality
- 64
- Móng Cái113.5 km
Vietnam
- Tree cover
- 37%
- Air quality
- 56
- Fangchenggang122.5 km
China
- Tree cover
- 49%
- Air quality
- 87
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Frequently asked
Questions about Chongzuo
What is the air quality (AQI) in Chongzuo right now?
The latest reading for Chongzuo shows an AQI of 64 (Moderate), measured Nov 11, 23:00 local time by the shì huánbǎo jú jiāng zhōu fēnjú, Chongzuo (崇左市环保局江州分局) ground monitoring station, 4.2 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Chongzuo today?
At AQI 64 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Chongzuo been like this week?
Over the last 7 days, the CAMS air-quality model put Chongzuo's daily AQI at 45 on average, from 26 on Nov 10 to an hourly peak of 73 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Chongzuo lost since 2001?
Since 2001, the area within 10 km of Chongzuo has lost about 1,920 hectares of forest (about 2,700 football pitches): 34% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 183 hectares (9.5%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss has stayed about the same: about 89 hectares a year in 2021–2025, against 107 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Chongzuo shrank from about 10,600 hectares to 9,540 hectares, a net loss of about 1,050 hectares (−9.9%). New forest grew on about 295 hectares, but 1,350 hectares were lost.
What is the tree count in Chongzuo?
Chongzuo has an estimated 144,080 trees across the 12.53 km² of land measured — 46.0% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Chongzuo need?
Chongzuo has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Chongzuo's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Jiangzhou District, 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 Jiangzhou District; the tree count is an estimate derived from that cover.
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