City report · Chagang, North Korea
Kanggye Air quality today
Air quality in Kanggye currently reads AQI 114 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 114
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 43.3
- tree cover
- 34.1%
- trees in this area
- 99.5K
- more trees needed
- 2.6K
Measured across a 2 km radius around Kanggye, Chagang, North Korea (12.57 km²), from a satellite image of Sep 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kanggye · AQI 114 (Unhealthy for sensitive groups)
Kanggye's tree count comes to 99,522 trees across 11.68 km² of land, 1 points below the 35% tree-cover level considered healthy for this area, so roughly 2,627 more trees would close the gap.
Air quality detail
Air quality in Kanggye today: AQI 114, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 19:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 245 km, e.g. Tonghua and Baishan
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
43.3
PM10
46.4
NO₂
3.7
O₃
59.0
SO₂
6.3
CO
331.0
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Kanggye's daily AQI at 53 on average, from 35 on Nov 7 to an hourly peak of 90 on Nov 5.
Where Kanggye stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kanggye: Below target
34.1% tree cover against a 35% healthy-neighborhood target, across 11.68 km² of land.
Trees in this area
99,522
Target trees
102,149
More trees needed
2,627
CO₂ if planted / yr
57.8 t
Deforestation · 2001–2025
How much forest has Kanggye lost?
Since 2001, the area within 10 km of Kanggye has lost about 1,080 hectares of forest (about 1,500 football pitches): 11% of the forest it had in 2000. Most of it (55%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km southeast of the city center.
- Forest lost since 2001
- 1,080 haabout 1,500 football pitches
- Share of its forest
- 11%of what there was in 2000
- Cleared for good
- 588 hadeforestation: turned into farms, mines or towns
The worst year was 2007, when about 298 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 | 32 ha | 23 ha | 55 ha |
| 2002 | 9 ha | 11 ha | 21 ha |
| 2003 | 4 ha | 5 ha | 9 ha |
| 2004 | 10 ha | 22 ha | 32 ha |
| 2005 | 29 ha | 26 ha | 55 ha |
| 2006 | 7 ha | 24 ha | 31 ha |
| 2007 | 204 ha | 94 ha | 298 ha |
| 2008 | 46 ha | 17 ha | 64 ha |
| 2009 | 32 ha | 53 ha | 85 ha |
| 2010 | 46 ha | 36 ha | 81 ha |
| 2011 | 6 ha | 5 ha | 11 ha |
| 2012 | 43 ha | 57 ha | 100 ha |
| 2013 | 8 ha | 6 ha | 14 ha |
| 2014 | 80 ha | 39 ha | 118 ha |
| 2015 | under 1 ha | under 1 ha | 2 ha |
| 2016 | under 1 ha | 1 ha | 2 ha |
| 2017 | 10 ha | 6 ha | 16 ha |
| 2018 | under 1 ha | 3 ha | 4 ha |
| 2019 | 7 ha | 21 ha | 28 ha |
| 2020 | 3 ha | 5 ha | 8 ha |
| 2021 | 3 ha | 6 ha | 9 ha |
| 2022 | under 1 ha | 5 ha | 6 ha |
| 2023 | 5 ha | 9 ha | 14 ha |
| 2024 | 2 ha | 7 ha | 9 ha |
| 2025 | under 1 ha | 7 ha | 8 ha |
What is causing deforestation around Kanggye?
- Farms, pasture and plantationscleared for good54% · 578 ha
- Loggingcan grow back44% · 477 ha
Also: towns and roads, 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
- 13,900 ha
- Forest in 2020
- 15,500 ha
- Overall change
- +1,580 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kanggye grew from about 13,900 hectares to 15,500 hectares, a net gain of about 1,580 hectares (+11%). New forest grew on about 2,640 hectares, while 1,070 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 Kanggye
What is the air quality (AQI) in Kanggye right now?
The latest reading for Kanggye shows an AQI of 114 (Unhealthy for sensitive groups), observed Nov 11, 19:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Kanggye today?
At AQI 114 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Kanggye been like this week?
Over the last 7 days, the CAMS air-quality model put Kanggye's daily AQI at 53 on average, from 35 on Nov 7 to an hourly peak of 90 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 Kanggye lost since 2001?
Since 2001, the area within 10 km of Kanggye has lost about 1,080 hectares of forest (about 1,500 football pitches): 11% of the forest it had in 2000. Most of it (55%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Kanggye grew from about 13,900 hectares to 15,500 hectares, a net gain of about 1,580 hectares (+11%). New forest grew on about 2,640 hectares, while 1,070 hectares were lost.
What is the tree count in Kanggye?
Kanggye has an estimated 99,522 trees across the 11.68 km² of land measured — 34.1% tree cover, 1 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Kanggye need?
Kanggye needs roughly 2,627 more trees to close a 1-point shortfall against its 35% tree-cover target — about 57.8 t of extra CO₂ absorbed per year once grown.
How are Kanggye'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 Kanggye; the tree count is an estimate derived from that cover.
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