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Air quality now: Sunch’ŏn

North Korea · South Pyongan · 7 cities

Air quality in South Pyongan today The AQI right now, city by city

Right now, Kangsŏn has the cleanest air of the 7 cities we track in South Pyongan (AQI 67, Moderate), and Kaech’ŏn the worst (AQI 152, Unhealthy). Kangsŏn has the most tree cover, at 33.2% — #2 of 27 cities measured in North 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.

AQI 105

Average right now

Unhealthy for sensitive groups

US EPA index, across 7 cities
cities tracked
7
average tree cover
18.6%
North Korea: 18.5%
worst air now: Kaech’ŏn
152
cleanest air now: Kangsŏn
67

Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.

South Pyongan · average AQI 105

Air quality today across South Pyongan, city by city

Current air quality and tree cover for cities in South Pyongan, North Korea
Sunch’ŏn99Moderate18.6%31.7K#12 of 27
Kaech’ŏn152Unhealthy14.2%81.1K#15 of 27
Tŏkch’ŏn111Unhealthy for sensitive groups12.1%71.9K#19 of 27
Paek'ak85Moderate4.9%78.9K—
Chaeryŏng-ni143Unhealthy for sensitive groups15.8%36.0K#14 of 27
Kangsŏn67Moderate33.2%—#2 of 27
P’yŏngsŏng78Moderate31.3%—#3 of 27

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 North Korea.

Deforestation · 2001–2025

How much forest has South Pyongan lost?

Since 2001, South Pyongan has lost about 26,000 hectares of forest (about 36,000 football pitches): 6.2% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 6,180 hectares (24%) was deforestation: forest cleared for good for farms, mines or towns.

Forest lost since 2001
26,000 haabout 36,000 football pitches
Share of its forest
6.2%of what there was in 2000
Cleared for good
6,180 hadeforestation: turned into farms, mines or towns
Forest lost each year in South Pyongan, 2001–2025

Hectares of forest lost each year

Forest lost each year in South Pyongan, 2001–2025. Use the left and right arrow keys to read each year.2.72K

Show the figures as a table
Forest lost each year in South Pyongan, 2001–2025
YearCleared for goodCan grow backTotal
2001586 ha1,590 ha2,170 ha
2002159 ha462 ha621 ha
2003170 ha525 ha695 ha
2004325 ha881 ha1,210 ha
2005324 ha804 ha1,130 ha
2006423 ha1,510 ha1,940 ha
2007504 ha1,150 ha1,650 ha
2008511 ha1,320 ha1,830 ha
2009155 ha657 ha812 ha
2010364 ha923 ha1,290 ha
201139 ha160 ha199 ha
20121,200 ha1,520 ha2,720 ha
201396 ha264 ha360 ha
2014197 ha431 ha628 ha
201578 ha363 ha441 ha
201688 ha599 ha687 ha
201795 ha450 ha544 ha
201863 ha433 ha496 ha
2019166 ha1,650 ha1,810 ha
2020173 ha1,250 ha1,430 ha
2021133 ha785 ha918 ha
2022147 ha558 ha705 ha
2023109 ha538 ha647 ha
202439 ha501 ha540 ha
202539 ha463 ha502 ha

Forest loss is slowing down: about 662 hectares a year in 2021–2025, down from 993 hectares a year in 2016–2020. The worst year was 2012, when about 2,720 hectares of forest were lost.

What is causing deforestation in South Pyongan?

  • Loggingcan grow back63% · 16,400 ha
  • Farms, pasture and plantationscleared for good23% · 5,970 ha
  • Wildfirescan grow back11% · 2,980 ha

Also: mining and energy, towns and roads, 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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