South Korea · North Chungcheong · 2 cities
Air quality in North Chungcheong today The AQI right now, city by city
Right now, Chungju has the cleanest air of the 2 cities we track in North Chungcheong (AQI 86, Moderate), and Cheongju-si the worst (AQI 94, Moderate). Cheongju-si has the most tree cover, at 22.9% — #30 of 56 cities measured in South Korea.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
- cities tracked
- 2
- average tree cover
- 14.4%
- South Korea: 28.4%
- worst air now: Cheongju-si
- 94
- cleanest air now: Chungju
- 86
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
North Chungcheong
Air quality today across North Chungcheong, city by city
| Cheongju-si | 94Moderate | 22.9% | 22.3K | #30 of 56 |
|---|---|---|---|---|
| Chungju | 86Moderate | 5.9% | 74.7K | #55 of 56 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in South Korea.
Deforestation · 2001–2025
How much forest has North Chungcheong lost?
Since 2001, North Chungcheong has lost about 38,600 hectares of forest (about 54,000 football pitches): 9.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 4,860 hectares (13%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 38,600 haabout 54,000 football pitches
- Share of its forest
- 9.4%of what there was in 2000
- Cleared for good
- 4,860 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 105 ha | 427 ha | 532 ha |
| 2002 | 45 ha | 168 ha | 213 ha |
| 2003 | 53 ha | 232 ha | 285 ha |
| 2004 | 202 ha | 693 ha | 895 ha |
| 2005 | 93 ha | 316 ha | 409 ha |
| 2006 | 179 ha | 411 ha | 590 ha |
| 2007 | 118 ha | 523 ha | 641 ha |
| 2008 | 312 ha | 853 ha | 1,170 ha |
| 2009 | 575 ha | 1,200 ha | 1,780 ha |
| 2010 | 285 ha | 1,310 ha | 1,590 ha |
| 2011 | 199 ha | 974 ha | 1,170 ha |
| 2012 | 287 ha | 1,280 ha | 1,570 ha |
| 2013 | 86 ha | 633 ha | 719 ha |
| 2014 | 209 ha | 1,440 ha | 1,650 ha |
| 2015 | 177 ha | 2,030 ha | 2,210 ha |
| 2016 | 178 ha | 2,620 ha | 2,800 ha |
| 2017 | 252 ha | 2,150 ha | 2,400 ha |
| 2018 | 193 ha | 2,260 ha | 2,450 ha |
| 2019 | 179 ha | 2,260 ha | 2,440 ha |
| 2020 | 151 ha | 2,290 ha | 2,440 ha |
| 2021 | 176 ha | 1,700 ha | 1,870 ha |
| 2022 | 215 ha | 2,170 ha | 2,390 ha |
| 2023 | 226 ha | 2,190 ha | 2,420 ha |
| 2024 | 177 ha | 1,940 ha | 2,120 ha |
| 2025 | 188 ha | 1,690 ha | 1,880 ha |
Forest loss has stayed about the same: about 2,130 hectares a year in 2021–2025, against 2,510 hectares a year in 2016–2020. The worst year was 2016, when about 2,800 hectares of forest were lost.
What is causing deforestation in North Chungcheong?
- Loggingcan grow back86% · 33,300 ha
- Towns and roadscleared for good10% · 3,900 ha
- Mining and energycleared for good1.7% · 643 ha
Also: farms, pasture and plantations, wildfires, 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.
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. How it's measured
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