City report · Heilongjiang, China
Shangzhi Air quality today
Air quality in Shangzhi currently reads AQI 183 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 183
Unhealthy
- PM2.5, fine particles (µg/m³)
- 108.5
- tree cover
- 14.4%
- trees in this area
- 44.7K
- more trees needed
- 79.4K
Measured across a 2 km radius around Shangzhi, Harbin, Heilongjiang, China (12.57 km²), from a satellite image of Sep 21, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Shangzhi · AQI 183 (Unhealthy)
Shangzhi's tree count comes to 44,651 trees across 12.41 km² of land, 26 points below the 40% tree-cover level considered healthy for this area, so roughly 79,379 more trees would close the gap.
Air quality detail
Air quality in Shangzhi today: AQI 183, Unhealthy
Main pollutant: PM2.5 · Observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 145 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 3 station cities within 145 km, e.g. Harbin and Mudanjiang
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
108.5
PM10
80.6
NO₂
40.0
O₃
0.0
SO₂
30.0
CO
1183.0
- Outdoor exercise
- Everyone should cut down long or hard exercise; sensitive groups should avoid it
- Windows
- Keep them closed
- Mask
- Wear an N95 outdoors
- Air purifier
- Run one
Over the last 7 days, the CAMS air-quality model put Shangzhi's daily AQI at 83 on average, from 61 on Nov 7 to an hourly peak of 158 on Nov 10.
Where Shangzhi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Shangzhi: Critically low
14.4% tree cover against a 40% healthy-neighborhood target, across 12.41 km² of land.
Trees in this area
44,651
Target trees
124,030
More trees needed
79,379
CO₂ if planted / yr
1,746 t
Deforestation · 2001–2025
How much forest has Shangzhi lost?
Since 2001, the area within 10 km of Shangzhi has lost about 202 hectares of forest (about 280 football pitches): 9.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 44 hectares (22%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 202 haabout 280 football pitches
- Share of its forest
- 9.4%of what there was in 2000
- Cleared for good
- 44 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 35 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 | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 3 ha | 18 ha | 21 ha |
| 2005 | under 1 ha | 3 ha | 4 ha |
| 2006 | 1 ha | 4 ha | 6 ha |
| 2007 | under 1 ha | 3 ha | 3 ha |
| 2008 | 1 ha | 4 ha | 6 ha |
| 2009 | 5 ha | 6 ha | 11 ha |
| 2010 | 1 ha | 1 ha | 3 ha |
| 2011 | 4 ha | 8 ha | 12 ha |
| 2012 | 1 ha | under 1 ha | 2 ha |
| 2013 | under 1 ha | 6 ha | 6 ha |
| 2014 | 3 ha | 3 ha | 6 ha |
| 2015 | under 1 ha | 5 ha | 6 ha |
| 2016 | 3 ha | 2 ha | 5 ha |
| 2017 | 2 ha | 1 ha | 3 ha |
| 2018 | 6 ha | 7 ha | 13 ha |
| 2019 | under 1 ha | under 1 ha | 1 ha |
| 2020 | under 1 ha | 14 ha | 14 ha |
| 2021 | 2 ha | 2 ha | 4 ha |
| 2022 | under 1 ha | 31 ha | 31 ha |
| 2023 | 5 ha | 30 ha | 35 ha |
| 2024 | under 1 ha | 4 ha | 4 ha |
| 2025 | 2 ha | 2 ha | 5 ha |
What is causing deforestation around Shangzhi?
- Loggingcan grow back75% · 152 ha
- Farms, pasture and plantationscleared for good12% · 24 ha
- Towns and roadscleared for good9.4% · 19 ha
Also: 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.
Forest gained and lost, 2000–2020
- Forest in 2000
- 2,680 ha
- Forest in 2020
- 2,820 ha
- Overall change
- +137 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Shangzhi grew from about 2,680 hectares to 2,820 hectares, a net gain of about 137 hectares (+5.1%). New forest grew on about 493 hectares, while 356 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 Shangzhi
Same 2 km radius, same index — so they compare directly.
- Acheng90.3 km
China
- Tree cover
- 13%
- Air quality
- 421
- Harbin121.6 km
China
- Tree cover
- 15%
- Air quality
- 159
- Yushu, Jilin122.4 km
China
- Tree cover
- 7%
- Air quality
- 178
- Hailin129.8 km
China
- Tree cover
- 15%
- Air quality
- 162
- Shuangcheng134.0 km
China
- Tree cover
- 8%
- Air quality
- 373
- Hulan134.7 km
China
- Tree cover
- 22%
- Air quality
- 161
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Frequently asked
Questions about Shangzhi
What is the air quality (AQI) in Shangzhi right now?
The latest reading for Shangzhi shows an AQI of 183 (Unhealthy), observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 145 km, US EPA index. The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Shangzhi today?
At AQI 183 (Unhealthy): everyone should cut down long or hard exercise; sensitive groups should avoid it. Windows: keep them closed. Masks: wear an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Shangzhi been like this week?
Over the last 7 days, the CAMS air-quality model put Shangzhi's daily AQI at 83 on average, from 61 on Nov 7 to an hourly peak of 158 on Nov 10. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Shangzhi lost since 2001?
Since 2001, the area within 10 km of Shangzhi has lost about 202 hectares of forest (about 280 football pitches): 9.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 44 hectares (22%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Shangzhi grew from about 2,680 hectares to 2,820 hectares, a net gain of about 137 hectares (+5.1%). New forest grew on about 493 hectares, while 356 hectares were lost.
What is the tree count in Shangzhi?
Shangzhi has an estimated 44,651 trees across the 12.41 km² of land measured — 14.4% tree cover, 26 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Shangzhi need?
Shangzhi needs roughly 79,379 more trees to close a 26-point shortfall against its 40% tree-cover target — about 1,746 t of extra CO₂ absorbed per year once grown.
How are Shangzhi'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 Shangzhi; the tree count is an estimate derived from that cover.
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