City report · Hunan, China
Lengshuijiang Air quality today
Air quality in Lengshuijiang currently reads AQI 83 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 83
Moderate
- PM2.5, fine particles (µg/m³)
- 31.6
- tree cover
- 31.7%
- trees in this area
- 93.4K
- more trees needed
- 0
Measured across a 2 km radius around Lengshuijiang, Loudi, Hunan, China (12.57 km²), from a satellite image of Jul 12, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Lengshuijiang · AQI 83 (Moderate)
Lengshuijiang's tree count comes to 93,414 trees across 11.79 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Lengshuijiang today: AQI 83, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 9 ground-station cities within 165 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 9 station cities within 165 km, e.g. Shaoyang and Loudi
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
31.6
PM10
64.3
NO₂
60.2
O₃
9.0
SO₂
71.9
CO
989.0
- 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 Lengshuijiang's daily AQI at 64 on average, from 55 on Nov 4 to an hourly peak of 141 on Nov 10.
Where Lengshuijiang stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Lengshuijiang: Healthy tree cover
31.7% tree cover against a 30% healthy-neighborhood target, across 11.79 km² of land.
Trees in this area
93,414
Target trees
93,414
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Lengshuijiang lost?
Since 2001, the area within 10 km of Lengshuijiang has lost about 177 hectares of forest (about 250 football pitches): 3.8% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from November 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 177 haabout 250 football pitches
- Share of its forest
- 3.8%of what there was in 2000
- Cleared for good
- 138 hadeforestation: turned into farms, mines or towns
The worst year was 2011, when about 26 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 | under 1 ha | under 1 ha | 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 8 ha | 2 ha | 9 ha |
| 2006 | 2 ha | under 1 ha | 2 ha |
| 2007 | 1 ha | under 1 ha | 2 ha |
| 2008 | under 1 ha | 2 ha | 3 ha |
| 2009 | 4 ha | 6 ha | 10 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | 15 ha | 11 ha | 26 ha |
| 2012 | 9 ha | 2 ha | 11 ha |
| 2013 | 5 ha | 3 ha | 8 ha |
| 2014 | 3 ha | under 1 ha | 3 ha |
| 2015 | 1 ha | under 1 ha | 1 ha |
| 2016 | 9 ha | under 1 ha | 10 ha |
| 2017 | 11 ha | under 1 ha | 12 ha |
| 2018 | 21 ha | under 1 ha | 22 ha |
| 2019 | 2 ha | 2 ha | 4 ha |
| 2020 | 8 ha | 2 ha | 9 ha |
| 2021 | 10 ha | under 1 ha | 11 ha |
| 2022 | 15 ha | 1 ha | 17 ha |
| 2023 | 3 ha | under 1 ha | 3 ha |
| 2024 | 7 ha | under 1 ha | 7 ha |
| 2025 | 2 ha | 5 ha | 6 ha |
What is causing deforestation around Lengshuijiang?
- Farms, pasture and plantationscleared for good47% · 84 ha
- Towns and roadscleared for good25% · 44 ha
- Loggingcan grow back17% · 30 ha
Also: mining and energy, 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
- 14,600 ha
- Overall change
- −536 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Lengshuijiang shrank from about 15,100 hectares to 14,600 hectares, a net loss of about 536 hectares (−3.5%). New forest grew on about 253 hectares, but 790 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
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Frequently asked
Questions about Lengshuijiang
What is the air quality (AQI) in Lengshuijiang right now?
The latest reading for Lengshuijiang shows an AQI of 83 (Moderate), observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 9 ground-station cities within 165 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Lengshuijiang today?
At AQI 83 (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 Lengshuijiang been like this week?
Over the last 7 days, the CAMS air-quality model put Lengshuijiang's daily AQI at 64 on average, from 55 on Nov 4 to an hourly peak of 141 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 Lengshuijiang lost since 2001?
Since 2001, the area within 10 km of Lengshuijiang has lost about 177 hectares of forest (about 250 football pitches): 3.8% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Lengshuijiang shrank from about 15,100 hectares to 14,600 hectares, a net loss of about 536 hectares (−3.5%). New forest grew on about 253 hectares, but 790 hectares were lost.
What is the tree count in Lengshuijiang?
Lengshuijiang has an estimated 93,414 trees across the 11.79 km² of land measured — 31.7% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Lengshuijiang need?
Lengshuijiang has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Lengshuijiang's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Lengshuijiang; the tree count is an estimate derived from that cover.
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