City report · South Hamgyong, North Korea
Hŭngnam Air quality today
Air quality in Hŭngnam currently reads AQI 50 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 50
Good
- PM2.5, fine particles (µg/m³)
- 9.0
- tree cover
- 16.3%
- trees in this area
- 42.3K
- more trees needed
- 35.6K
Measured across a 2 km radius around Hungnam-guyok, Hamhung, South Hamgyong, North Korea (12.57 km²), from a satellite image of Sep 3, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hŭngnam · AQI 50 (Good)
Hŭngnam's tree count comes to 42,349 trees across 10.4 km² of land, 14 points below the 30% tree-cover level considered healthy for this area, so roughly 35,594 more trees would close the gap.
Air quality detail
Air quality in Hŭngnam today: AQI 50, Good
Main pollutant: PM2.5 · Observed Nov 10, 23:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 3 station cities within 245 km, e.g. Chuncheon-si and Kaesŏng
Health signal
Air quality is satisfactory for everyone.
PM2.5
9.0
PM10
23.9
NO₂
6.0
O₃
45.0
SO₂
2.8
CO
241.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Hŭngnam's daily AQI at 45 on average, from 24 on Nov 6 to an hourly peak of 131 on Nov 4.
Where Hŭngnam stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hŭngnam: Critically low
16.3% tree cover against a 30% healthy-neighborhood target, across 10.4 km² of land.
Trees in this area
42,349
Target trees
77,943
More trees needed
35,594
CO₂ if planted / yr
783.1 t
Deforestation · 2001–2025
How much forest has Hŭngnam lost?
Since 2001, the area within 10 km of Hŭngnam has lost about 39 hectares of forest (about 55 football pitches): 4.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. Almost none of it was deforestation, meaning forest cleared for good.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 39 haabout 55 football pitches
- Share of its forest
- 4.1%of what there was in 2000
- Cleared for good
- under 1 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 7 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 | under 1 ha | 7 ha | 7 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | 6 ha | 6 ha |
| 2004 | under 1 ha | 5 ha | 5 ha |
| 2005 | under 1 ha | 1 ha | 1 ha |
| 2006 | under 1 ha | 1 ha | 1 ha |
| 2007 | under 1 ha | 7 ha | 7 ha |
| 2008 | under 1 ha | 2 ha | 2 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | 5 ha | 5 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Hŭngnam?
- Loggingcan grow back95% · 37 ha
- Unknown causescause unknown5.3% · 2 ha
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
- 2,550 ha
- Forest in 2020
- 3,150 ha
- Overall change
- +591 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hŭngnam grew from about 2,550 hectares to 3,150 hectares, a net gain of about 591 hectares (+23%). New forest grew on about 614 hectares, while 23 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 Hŭngnam
Same 2 km radius, same index — so they compare directly.
- Sinp’o52.7 km
North Korea
- Tree cover
- 31%
- Air quality
- 55
- Tŏkch’ŏn117.8 km
North Korea
- Tree cover
- 12%
- Air quality
- 105
- Changam-ch’on129.4 km
North Korea
- Tree cover
- 61%
- Air quality
- 56
- Kaech’ŏn149.4 km
North Korea
- Tree cover
- 14%
- Air quality
- 171
- Sunch’ŏn152.5 km
North Korea
- Tree cover
- 19%
- Air quality
- 154
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Frequently asked
Questions about Hŭngnam
What is the air quality (AQI) in Hŭngnam right now?
The latest reading for Hŭngnam shows an AQI of 50 (Good), observed Nov 10, 23:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Hŭngnam today?
At AQI 50 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Hŭngnam been like this week?
Over the last 7 days, the CAMS air-quality model put Hŭngnam's daily AQI at 45 on average, from 24 on Nov 6 to an hourly peak of 131 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Hŭngnam lost since 2001?
Since 2001, the area within 10 km of Hŭngnam has lost about 39 hectares of forest (about 55 football pitches): 4.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. Almost none of it was deforestation, meaning forest cleared for good. Comparing satellite maps from 2000 and 2020, the forest around Hŭngnam grew from about 2,550 hectares to 3,150 hectares, a net gain of about 591 hectares (+23%). New forest grew on about 614 hectares, while 23 hectares were lost.
What is the tree count in Hŭngnam?
Hŭngnam has an estimated 42,349 trees across the 10.4 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 Hŭngnam need?
Hŭngnam needs roughly 35,594 more trees to close a 14-point shortfall against its 30% tree-cover target — about 783.1 t of extra CO₂ absorbed per year once grown.
How are Hŭngnam'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 Hungnam-guyok; the tree count is an estimate derived from that cover.
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