City report · Gyeonggi-do, South Korea
Pyeongtaek Air quality today
Air quality in Pyeongtaek currently reads AQI 126 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 126
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 45.5
- tree cover
- 10.0%
- trees in this area
- 31.4K
- more trees needed
- 78.5K
Measured across a 2 km radius around Jungang-ro, Pyeongtaek-si, Gyeonggi-do, South Korea (12.57 km²), from a satellite image of Sep 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Pyeongtaek · AQI 126 (Unhealthy for sensitive groups)
Pyeongtaek's tree count comes to 31,385 trees across 12.56 km² of land, 25 points below the 35% tree-cover level considered healthy for this area, so roughly 78,461 more trees would close the gap.
Air quality detail
Air quality in Pyeongtaek today: AQI 126, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 12, 01:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · 비전동, 2.1 km away · median of 5 stations
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
45.5
PM10
61.0
NO₂
53.2
O₃
11.5
SO₂
5.8
CO
664.5
Data: OpenAQ · Korea Air Ministry of Environment, Korea Environment Corporation · AirKorea
- 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 Pyeongtaek's daily AQI at 67 on average, from 50 on Nov 6 to an hourly peak of 86 on Nov 10.
Where Pyeongtaek stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Pyeongtaek: Critically low
10.0% tree cover against a 35% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
31,385
Target trees
109,846
More trees needed
78,461
CO₂ if planted / yr
1,726 t
Deforestation · 2001–2025
How much forest has Pyeongtaek lost?
Since 2001, the area within 10 km of Pyeongtaek has lost about 312 hectares of forest (about 440 football pitches): 19% of the forest it had in 2000. Most of it (69%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 312 haabout 440 football pitches
- Share of its forest
- 19%of what there was in 2000
- Cleared for good
- 215 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 28 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 | 2 ha | 3 ha | 5 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | 2 ha | under 1 ha | 2 ha |
| 2004 | 11 ha | 4 ha | 15 ha |
| 2005 | 11 ha | 2 ha | 13 ha |
| 2006 | 9 ha | 3 ha | 12 ha |
| 2007 | 5 ha | 2 ha | 7 ha |
| 2008 | 18 ha | 4 ha | 22 ha |
| 2009 | 5 ha | 3 ha | 8 ha |
| 2010 | 14 ha | 4 ha | 18 ha |
| 2011 | 17 ha | 5 ha | 22 ha |
| 2012 | 4 ha | under 1 ha | 5 ha |
| 2013 | 3 ha | 1 ha | 4 ha |
| 2014 | 3 ha | 2 ha | 5 ha |
| 2015 | 6 ha | 7 ha | 13 ha |
| 2016 | 6 ha | 5 ha | 11 ha |
| 2017 | 15 ha | 4 ha | 18 ha |
| 2018 | 3 ha | 3 ha | 6 ha |
| 2019 | 7 ha | 2 ha | 9 ha |
| 2020 | 10 ha | 10 ha | 20 ha |
| 2021 | 15 ha | under 1 ha | 16 ha |
| 2022 | 9 ha | 3 ha | 12 ha |
| 2023 | 16 ha | 12 ha | 28 ha |
| 2024 | 12 ha | 14 ha | 26 ha |
| 2025 | 15 ha | 3 ha | 18 ha |
What is causing deforestation around Pyeongtaek?
- Towns and roadscleared for good68% · 213 ha
- Loggingcan grow back30% · 95 ha
Also: farms, pasture and plantations, 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
- 2,590 ha
- Forest in 2020
- 2,600 ha
- Overall change
- +13 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Pyeongtaek stayed about the same size, at about 2,600 hectares: new forest grew on about 218 hectares, and about 205 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 Pyeongtaek
Same 2 km radius, same index — so they compare directly.
- Osan17.6 km
South Korea
- Tree cover
- 20%
- Air quality
- 82
- Cheonan21.7 km
South Korea
- Tree cover
- 13%
- Air quality
- 117
- Suwon33.7 km
South Korea
- Tree cover
- 20%
- Air quality
- 88
- Hwaseong-si33.7 km
South Korea
- Tree cover
- 45%
- Air quality
- 82
- Ansan-si43.6 km
South Korea
- Tree cover
- 30%
- Air quality
- 92
- Icheon-si44.5 km
South Korea
- Tree cover
- 36%
- Air quality
- 112
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Frequently asked
Questions about Pyeongtaek
What is the air quality (AQI) in Pyeongtaek right now?
The latest reading for Pyeongtaek shows an AQI of 126 (Unhealthy for sensitive groups), measured Nov 12, 01:00 local time by 5 ground monitoring stations via OpenAQ (the median of their readings; the nearest is 비전동, 2.1 km away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Pyeongtaek today?
At AQI 126 (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 Pyeongtaek been like this week?
Over the last 7 days, the CAMS air-quality model put Pyeongtaek's daily AQI at 67 on average, from 50 on Nov 6 to an hourly peak of 86 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Pyeongtaek lost since 2001?
Since 2001, the area within 10 km of Pyeongtaek has lost about 312 hectares of forest (about 440 football pitches): 19% of the forest it had in 2000. Most of it (69%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Pyeongtaek stayed about the same size, at about 2,600 hectares: new forest grew on about 218 hectares, and about 205 hectares were lost.
What is the tree count in Pyeongtaek?
Pyeongtaek has an estimated 31,385 trees across the 12.56 km² of land measured — 10.0% tree cover, 25 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Pyeongtaek need?
Pyeongtaek needs roughly 78,461 more trees to close a 25-point shortfall against its 35% tree-cover target — about 1,726 t of extra CO₂ absorbed per year once grown.
How are Pyeongtaek's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Jungang-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 Jungang-ro; the tree count is an estimate derived from that cover.
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