City report · Hebei, China
Chengde Air quality today
Air quality in Chengde currently reads AQI 144 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Air quality right now
AQI 144
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 53.1
- tree cover
- 47.6%
- trees in this area
- 145K
- more trees needed
- 0
Measured across a 2 km radius around Shuangqiao District, Chengde, Chengde, Hebei, China (12.57 km²), from a satellite image of Sep 17, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Chengde · AQI 144 (Unhealthy for sensitive groups)
Chengde's tree count comes to 144,755 trees across 12.17 km² of land, already at or above the 35% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Chengde today: AQI 144, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 22:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Chengde (承德), 400 m away · median of 2 stations
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
53.1
PM10
63.1
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Hebei Province Environment Protection Agency (河北省空气质量自动发布系统)
- 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 Chengde's daily AQI at 92 on average, from 66 on Nov 6 to an hourly peak of 175 on Nov 5.
Where Chengde stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Chengde: Healthy tree cover
47.6% tree cover against a 35% healthy-neighborhood target, across 12.17 km² of land.
Trees in this area
144,755
Target trees
144,755
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Chengde lost?
Since 2001, the area within 10 km of Chengde has lost about 51 hectares of forest (about 72 football pitches): 1.7% of the forest it had in 2000. The biggest cause was logging (36%), after which forest can grow back. About 22 hectares (43%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 51 haabout 72 football pitches
- Share of its forest
- 1.7%of what there was in 2000
- Cleared for good
- 22 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 10 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 | 1 ha | 8 ha | 10 ha |
| 2002 | under 1 ha | 2 ha | 3 ha |
| 2003 | 1 ha | 2 ha | 3 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | 1 ha | 2 ha |
| 2006 | 2 ha | under 1 ha | 3 ha |
| 2007 | 3 ha | 2 ha | 6 ha |
| 2008 | 2 ha | 3 ha | 5 ha |
| 2009 | 5 ha | under 1 ha | 5 ha |
| 2010 | 2 ha | under 1 ha | 2 ha |
| 2011 | 2 ha | 3 ha | 5 ha |
| 2012 | 2 ha | 5 ha | 7 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 Chengde?
- Loggingcan grow back36% · 18 ha
- Towns and roadscleared for good34% · 17 ha
- Mining and energycleared for good7.2% · 4 ha
Also: farms, pasture and plantations, wildfires, 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
- 12,000 ha
- Forest in 2020
- 12,100 ha
- Overall change
- +161 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Chengde stayed about the same size, at about 12,100 hectares: new forest grew on about 214 hectares, and about 53 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 Chengde
What is the air quality (AQI) in Chengde right now?
The latest reading for Chengde shows an AQI of 144 (Unhealthy for sensitive groups), measured Nov 11, 22:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Chengde (承德), 400 m away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Chengde today?
At AQI 144 (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 Chengde been like this week?
Over the last 7 days, the CAMS air-quality model put Chengde's daily AQI at 92 on average, from 66 on Nov 6 to an hourly peak of 175 on Nov 5. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Chengde lost since 2001?
Since 2001, the area within 10 km of Chengde has lost about 51 hectares of forest (about 72 football pitches): 1.7% of the forest it had in 2000. The biggest cause was logging (36%), after which forest can grow back. About 22 hectares (43%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Chengde stayed about the same size, at about 12,100 hectares: new forest grew on about 214 hectares, and about 53 hectares were lost.
What is the tree count in Chengde?
Chengde has an estimated 144,755 trees across the 12.17 km² of land measured — 47.6% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Chengde need?
Chengde has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Chengde's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Shuangqiao 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 Shuangqiao District; the tree count is an estimate derived from that cover.
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