City report · Jilin, China
Baishan Air quality today
Air quality in Baishan currently reads AQI 135 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 135
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 49.5
- tree cover
- 20.3%
- trees in this area
- 60.6K
- more trees needed
- 43.9K
Measured across a 2 km radius around Hunjiang District, Baishan, Jilin, China (12.57 km²), from a satellite image of Sep 21, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Baishan · AQI 135 (Unhealthy for sensitive groups)
Baishan's tree count comes to 60,649 trees across 11.95 km² of land, 15 points below the 35% tree-cover level considered healthy for this area, so roughly 43,919 more trees would close the gap.
Air quality detail
Air quality in Baishan today: AQI 135, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 12, 00:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Environment protection office, Baishan (白山环保局), 1.1 km away · median of 2 stations
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
49.5
PM10
55.4
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Environmental Protection Agency of Jilin Province (吉林省环境保护厅), China National Urban air quality real-time publishing platform (全国城市空气质量实时发布平台)
- 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 Baishan's daily AQI at 71 on average, from 48 on Nov 6 to an hourly peak of 131 on Nov 5.
Where Baishan stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Baishan: Critically low
20.3% tree cover against a 35% healthy-neighborhood target, across 11.95 km² of land.
Trees in this area
60,649
Target trees
104,568
More trees needed
43,919
CO₂ if planted / yr
966.2 t
Deforestation · 2001–2025
How much forest has Baishan lost?
Since 2001, the area within 10 km of Baishan has lost about 636 hectares of forest (about 890 football pitches): 5.7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 214 hectares (34%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from September 2017 of a 5 × 5 km area about 3 km northwest of the city center.
- Forest lost since 2001
- 636 haabout 890 football pitches
- Share of its forest
- 5.7%of what there was in 2000
- Cleared for good
- 214 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 62 hectares a year in 2021–2025, up from 26 hectares a year in 2016–2020. The worst year was 2022, when about 81 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 | under 1 ha | under 1 ha |
| 2002 | under 1 ha | 7 ha | 7 ha |
| 2003 | 1 ha | 10 ha | 11 ha |
| 2004 | 8 ha | 14 ha | 21 ha |
| 2005 | 3 ha | 14 ha | 17 ha |
| 2006 | 2 ha | 4 ha | 6 ha |
| 2007 | 7 ha | 9 ha | 15 ha |
| 2008 | 21 ha | 43 ha | 64 ha |
| 2009 | 2 ha | 5 ha | 7 ha |
| 2010 | 2 ha | 4 ha | 6 ha |
| 2011 | 10 ha | 16 ha | 26 ha |
| 2012 | 8 ha | under 1 ha | 9 ha |
| 2013 | under 1 ha | 2 ha | 2 ha |
| 2014 | under 1 ha | 1 ha | 2 ha |
| 2015 | under 1 ha | 2 ha | 2 ha |
| 2016 | 6 ha | 12 ha | 18 ha |
| 2017 | 14 ha | 11 ha | 25 ha |
| 2018 | 5 ha | 21 ha | 26 ha |
| 2019 | 3 ha | 21 ha | 24 ha |
| 2020 | 10 ha | 27 ha | 37 ha |
| 2021 | 14 ha | 8 ha | 22 ha |
| 2022 | 35 ha | 46 ha | 81 ha |
| 2023 | 23 ha | 55 ha | 78 ha |
| 2024 | 18 ha | 45 ha | 62 ha |
| 2025 | 21 ha | 46 ha | 68 ha |
What is causing deforestation around Baishan?
- Loggingcan grow back63% · 400 ha
- Mining and energycleared for good28% · 178 ha
- Towns and roadscleared for good5.6% · 36 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
- 18,400 ha
- Forest in 2020
- 19,500 ha
- Overall change
- +1,150 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Baishan grew from about 18,400 hectares to 19,500 hectares, a net gain of about 1,150 hectares (+6.3%). New forest grew on about 1,460 hectares, while 312 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
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Frequently asked
Questions about Baishan
What is the air quality (AQI) in Baishan right now?
The latest reading for Baishan shows an AQI of 135 (Unhealthy for sensitive groups), measured Nov 12, 00:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Environment protection office, Baishan (白山环保局), 1.1 km away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Baishan today?
At AQI 135 (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 Baishan been like this week?
Over the last 7 days, the CAMS air-quality model put Baishan's daily AQI at 71 on average, from 48 on Nov 6 to an hourly peak of 131 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Baishan lost since 2001?
Since 2001, the area within 10 km of Baishan has lost about 636 hectares of forest (about 890 football pitches): 5.7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 214 hectares (34%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is speeding up: about 62 hectares a year in 2021–2025, up from 26 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Baishan grew from about 18,400 hectares to 19,500 hectares, a net gain of about 1,150 hectares (+6.3%). New forest grew on about 1,460 hectares, while 312 hectares were lost.
What is the tree count in Baishan?
Baishan has an estimated 60,649 trees across the 11.95 km² of land measured — 20.3% tree cover, 15 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Baishan need?
Baishan needs roughly 43,919 more trees to close a 15-point shortfall against its 35% tree-cover target — about 966.2 t of extra CO₂ absorbed per year once grown.
How are Baishan's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Hunjiang District, 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 Hunjiang District; the tree count is an estimate derived from that cover.
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