City report · Yunnan, China
Yunjinghong Air quality today
Air quality in Yunjinghong currently reads AQI 55 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 55
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 11.0
- tree cover
- 33.9%
- trees in this area
- 101K
- more trees needed
- 0
Measured across a 2 km radius around Jinghong, Xishuangbanna Dai Autonomous Prefecture, Yunnan, China (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Yunjinghong · AQI 55 (Moderate)
Yunjinghong's tree count comes to 100,749 trees across 11.89 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Yunjinghong today: AQI 55, Moderate
Main pollutant: PM2.5 · Observed Nov 12, 01:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Jinghong City Jiangnan, Xishuangbanna (西双版纳州景洪市江南), 1.5 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
11.0
PM10
19.4
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 Yunjinghong's daily AQI at 34 on average, from 15 on Nov 11 to an hourly peak of 74 on Nov 6.
Where Yunjinghong stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Yunjinghong: Healthy tree cover
33.9% tree cover against a 30% healthy-neighborhood target, across 11.89 km² of land.
Trees in this area
100,749
Target trees
100,749
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Yunjinghong lost?
Since 2001, the area within 10 km of Yunjinghong has lost about 6,260 hectares of forest (about 8,800 football pitches): 36% of the forest it had in 2000. Most of it (60%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from February 2017 of a 5 × 5 km area about 7 km south of the city center.
- Forest lost since 2001
- 6,260 haabout 8,800 football pitches
- Share of its forest
- 36%of what there was in 2000
- Cleared for good
- 3,760 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 239 hectares a year in 2021–2025, down from 383 hectares a year in 2016–2020. The worst year was 2019, when about 525 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 | 12 ha | 3 ha | 15 ha |
| 2002 | 16 ha | 2 ha | 17 ha |
| 2003 | 145 ha | 68 ha | 213 ha |
| 2004 | 31 ha | 10 ha | 40 ha |
| 2005 | 81 ha | 19 ha | 99 ha |
| 2006 | 136 ha | 40 ha | 176 ha |
| 2007 | 88 ha | 64 ha | 152 ha |
| 2008 | 93 ha | 57 ha | 150 ha |
| 2009 | 149 ha | 89 ha | 238 ha |
| 2010 | 335 ha | 149 ha | 484 ha |
| 2011 | 123 ha | 99 ha | 222 ha |
| 2012 | 314 ha | 147 ha | 461 ha |
| 2013 | 105 ha | 125 ha | 230 ha |
| 2014 | 259 ha | 147 ha | 406 ha |
| 2015 | 121 ha | 127 ha | 248 ha |
| 2016 | 279 ha | 233 ha | 512 ha |
| 2017 | 225 ha | 92 ha | 317 ha |
| 2018 | 164 ha | 98 ha | 262 ha |
| 2019 | 279 ha | 246 ha | 525 ha |
| 2020 | 206 ha | 91 ha | 297 ha |
| 2021 | 108 ha | 86 ha | 194 ha |
| 2022 | 170 ha | 182 ha | 352 ha |
| 2023 | 100 ha | 154 ha | 254 ha |
| 2024 | 84 ha | 104 ha | 188 ha |
| 2025 | 133 ha | 74 ha | 207 ha |
What is causing deforestation around Yunjinghong?
- Loggingcan grow back39% · 2,430 ha
- Farms, pasture and plantationscleared for good33% · 2,050 ha
- Towns and roadscleared for good23% · 1,420 ha
Also: mining and energy, shifting farming, 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
- 21,600 ha
- Forest in 2020
- 21,000 ha
- Overall change
- −594 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Yunjinghong shrank from about 21,600 hectares to 21,000 hectares, a net loss of about 594 hectares (−2.8%). New forest grew on about 2,740 hectares, but 3,330 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 Yunjinghong
What is the air quality (AQI) in Yunjinghong right now?
The latest reading for Yunjinghong shows an AQI of 55 (Moderate), measured Nov 12, 01:00 local time by the Jinghong City Jiangnan, Xishuangbanna (西双版纳州景洪市江南) ground monitoring station, 1.5 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 Yunjinghong today?
At AQI 55 (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 Yunjinghong been like this week?
Over the last 7 days, the CAMS air-quality model put Yunjinghong's daily AQI at 34 on average, from 15 on Nov 11 to an hourly peak of 74 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Yunjinghong lost since 2001?
Since 2001, the area within 10 km of Yunjinghong has lost about 6,260 hectares of forest (about 8,800 football pitches): 36% of the forest it had in 2000. Most of it (60%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is slowing down: about 239 hectares a year in 2021–2025, down from 383 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Yunjinghong shrank from about 21,600 hectares to 21,000 hectares, a net loss of about 594 hectares (−2.8%). New forest grew on about 2,740 hectares, but 3,330 hectares were lost.
What is the tree count in Yunjinghong?
Yunjinghong has an estimated 100,749 trees across the 11.89 km² of land measured — 33.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Yunjinghong need?
Yunjinghong has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Yunjinghong's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Jinghong, 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 Jinghong; the tree count is an estimate derived from that cover.
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