City report · Gangwon-do, South Korea
Chuncheon Air quality today
Air quality in Chuncheon currently reads AQI 80 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 80
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 24.5
- tree cover
- 16.3%
- trees in this area
- 51.1K
- more trees needed
- 43.0K
Measured across a 2 km radius around Hyoja-ro, Chuncheon-si, Gangwon-do, South Korea (12.57 km²), from a satellite image of Sep 8, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Chuncheon · AQI 80 (Moderate)
Chuncheon's tree count comes to 51,106 trees across 12.54 km² of land, 14 points below the 30% tree-cover level considered healthy for this area, so roughly 42,954 more trees would close the gap.
Air quality detail
Air quality in Chuncheon today: AQI 80, Moderate
Main pollutant: PM2.5 · Observed Nov 12, 01:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · 중앙로, 1.2 km away · median of 4 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
24.5
PM10
33.5
NO₂
24.7
O₃
15.0
SO₂
6.0
CO
670.2
Data: OpenAQ · Korea Air Ministry of Environment, Korea Environment Corporation · AirKorea
- 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 Chuncheon's daily AQI at 52 on average, from 27 on Nov 8 to an hourly peak of 93 on Nov 11.
Where Chuncheon stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Chuncheon: Critically low
16.3% tree cover against a 30% healthy-neighborhood target, across 12.54 km² of land.
Trees in this area
51,106
Target trees
94,060
More trees needed
42,954
CO₂ if planted / yr
945.0 t
Deforestation · 2001–2025
How much forest has Chuncheon lost?
Since 2001, the area within 10 km of Chuncheon has lost about 1,520 hectares of forest (about 2,100 football pitches): 8.3% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 369 hectares (24%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from June 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 1,520 haabout 2,100 football pitches
- Share of its forest
- 8.3%of what there was in 2000
- Cleared for good
- 369 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 62 hectares a year in 2021–2025, down from 107 hectares a year in 2016–2020. The worst year was 2018, when about 181 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 | 8 ha | 2 ha | 10 ha |
| 2002 | 3 ha | under 1 ha | 4 ha |
| 2003 | under 1 ha | 2 ha | 3 ha |
| 2004 | 12 ha | 20 ha | 31 ha |
| 2005 | 10 ha | 11 ha | 22 ha |
| 2006 | 12 ha | 15 ha | 26 ha |
| 2007 | 28 ha | 28 ha | 56 ha |
| 2008 | 48 ha | 32 ha | 80 ha |
| 2009 | 28 ha | 85 ha | 112 ha |
| 2010 | 11 ha | 62 ha | 73 ha |
| 2011 | 18 ha | 41 ha | 59 ha |
| 2012 | 6 ha | 65 ha | 70 ha |
| 2013 | 7 ha | 31 ha | 37 ha |
| 2014 | 6 ha | 23 ha | 30 ha |
| 2015 | 19 ha | 42 ha | 61 ha |
| 2016 | 22 ha | 95 ha | 117 ha |
| 2017 | 20 ha | 66 ha | 86 ha |
| 2018 | 20 ha | 161 ha | 181 ha |
| 2019 | 21 ha | 51 ha | 73 ha |
| 2020 | 8 ha | 69 ha | 77 ha |
| 2021 | 11 ha | 57 ha | 68 ha |
| 2022 | 8 ha | 47 ha | 56 ha |
| 2023 | 22 ha | 84 ha | 106 ha |
| 2024 | 10 ha | 29 ha | 39 ha |
| 2025 | 12 ha | 27 ha | 39 ha |
What is causing deforestation around Chuncheon?
- Loggingcan grow back74% · 1,130 ha
- Towns and roadscleared for good24% · 359 ha
- Unknown causescause unknown1.4% · 21 ha
Also: mining and energy.
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
- 18,900 ha
- Forest in 2020
- 18,300 ha
- Overall change
- −600 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Chuncheon shrank from about 18,900 hectares to 18,300 hectares, a net loss of about 600 hectares (−3.2%). New forest grew on about 138 hectares, but 738 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 Chuncheon
Same 2 km radius, same index — so they compare directly.
- Hwado44.9 km
South Korea
- Tree cover
- 53%
- Air quality
- 84
- Yangju59.2 km
South Korea
- Tree cover
- 33%
- Air quality
- 73
- Hanam59.6 km
South Korea
- Tree cover
- 30%
- Air quality
- 88
- Guri-si60.6 km
South Korea
- Tree cover
- 31%
- Air quality
- 84
- Wŏnju61.1 km
South Korea
- Tree cover
- 21%
- Air quality
- 82
- Uijeongbu-si62.1 km
South Korea
- Tree cover
- 23%
- Air quality
- 81
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Frequently asked
Questions about Chuncheon
What is the air quality (AQI) in Chuncheon right now?
The latest reading for Chuncheon shows an AQI of 80 (Moderate), measured Nov 12, 01:00 local time by 4 ground monitoring stations via OpenAQ (the median of their readings; the nearest is 중앙로, 1.2 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Chuncheon today?
At AQI 80 (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 Chuncheon been like this week?
Over the last 7 days, the CAMS air-quality model put Chuncheon's daily AQI at 52 on average, from 27 on Nov 8 to an hourly peak of 93 on Nov 11. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Chuncheon lost since 2001?
Since 2001, the area within 10 km of Chuncheon has lost about 1,520 hectares of forest (about 2,100 football pitches): 8.3% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 369 hectares (24%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 62 hectares a year in 2021–2025, down from 107 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Chuncheon shrank from about 18,900 hectares to 18,300 hectares, a net loss of about 600 hectares (−3.2%). New forest grew on about 138 hectares, but 738 hectares were lost.
What is the tree count in Chuncheon?
Chuncheon has an estimated 51,106 trees across the 12.54 km² of land measured — 16.3% tree cover, 14 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Chuncheon need?
Chuncheon needs roughly 42,954 more trees to close a 14-point shortfall against its 30% tree-cover target — about 945.0 t of extra CO₂ absorbed per year once grown.
How are Chuncheon's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Hyoja-ro, 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 Hyoja-ro; the tree count is an estimate derived from that cover.
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