City report · Yunnan, China
Wenshan City Air quality today
Air quality in Wenshan City currently reads AQI 51 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 51
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 9.1
- tree cover
- 30.9%
- trees in this area
- 97.1K
- more trees needed
- 0
Measured across a 2 km radius around Wenshan City, Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan, China (12.57 km²), from a satellite image of Sep 22, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Wenshan City · AQI 51 (Moderate)
Wenshan City's tree count comes to 97,075 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Wenshan City today: AQI 51, 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 · State Water Authority, Wenshan (文山州州水务局), 500 m away · median of 2 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.1
PM10
16.2
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 Wenshan City's daily AQI at 31 on average, from 14 on Nov 7 to an hourly peak of 75 on Nov 5.
Where Wenshan City stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Wenshan City: Healthy tree cover
30.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
97,075
Target trees
97,075
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Wenshan City lost?
Since 2001, the area within 10 km of Wenshan City has lost about 702 hectares of forest (about 980 football pitches): 14% of the forest it had in 2000. Most of it (67%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from April 2017 of a 5 × 5 km area about 7 km southwest of the city center.
- Forest lost since 2001
- 702 haabout 980 football pitches
- Share of its forest
- 14%of what there was in 2000
- Cleared for good
- 473 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 249 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 | 1 ha | under 1 ha | 2 ha |
| 2002 | 29 ha | 13 ha | 42 ha |
| 2003 | 5 ha | 2 ha | 6 ha |
| 2004 | 5 ha | 1 ha | 6 ha |
| 2005 | 25 ha | 11 ha | 36 ha |
| 2006 | 11 ha | 10 ha | 21 ha |
| 2007 | 61 ha | 31 ha | 92 ha |
| 2008 | 19 ha | 26 ha | 45 ha |
| 2009 | 1 ha | under 1 ha | 1 ha |
| 2010 | 188 ha | 61 ha | 249 ha |
| 2011 | 5 ha | 5 ha | 10 ha |
| 2012 | 11 ha | 5 ha | 16 ha |
| 2013 | 2 ha | under 1 ha | 2 ha |
| 2014 | 3 ha | under 1 ha | 4 ha |
| 2015 | 14 ha | 3 ha | 16 ha |
| 2016 | 10 ha | 5 ha | 15 ha |
| 2017 | 7 ha | under 1 ha | 7 ha |
| 2018 | 10 ha | 2 ha | 12 ha |
| 2019 | 6 ha | 2 ha | 8 ha |
| 2020 | 2 ha | under 1 ha | 2 ha |
| 2021 | 2 ha | 5 ha | 7 ha |
| 2022 | 5 ha | 2 ha | 7 ha |
| 2023 | 12 ha | 17 ha | 29 ha |
| 2024 | 21 ha | 21 ha | 41 ha |
| 2025 | 18 ha | 8 ha | 25 ha |
What is causing deforestation around Wenshan City?
- Farms, pasture and plantationscleared for good38% · 270 ha
- Loggingcan grow back31% · 220 ha
- Towns and roadscleared for good23% · 164 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
- 8,920 ha
- Forest in 2020
- 9,320 ha
- Overall change
- +400 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Wenshan City grew from about 8,920 hectares to 9,320 hectares, a net gain of about 400 hectares (+4.5%). New forest grew on about 833 hectares, while 433 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 Wenshan City
What is the air quality (AQI) in Wenshan City right now?
The latest reading for Wenshan City shows an AQI of 51 (Moderate), measured Nov 11, 23:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is State Water Authority, Wenshan (文山州州水务局), 500 m away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Wenshan City today?
At AQI 51 (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 Wenshan City been like this week?
Over the last 7 days, the CAMS air-quality model put Wenshan City's daily AQI at 31 on average, from 14 on Nov 7 to an hourly peak of 75 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Wenshan City lost since 2001?
Since 2001, the area within 10 km of Wenshan City has lost about 702 hectares of forest (about 980 football pitches): 14% of the forest it had in 2000. Most of it (67%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Wenshan City grew from about 8,920 hectares to 9,320 hectares, a net gain of about 400 hectares (+4.5%). New forest grew on about 833 hectares, while 433 hectares were lost.
What is the tree count in Wenshan City?
Wenshan City has an estimated 97,075 trees across the 12.57 km² measured — 30.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Wenshan City need?
Wenshan City has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Wenshan City's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Wenshan City, 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 Wenshan City; the tree count is an estimate derived from that cover.
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