City report · Liaoning, China
Huanren Air quality today
Air quality in Huanren currently reads AQI 155 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 155
Unhealthy
- PM2.5, fine particles (µg/m³)
- 61.2
- tree cover
- 38.9%
- trees in this area
- 114K
- more trees needed
- 3.2K
Measured across a 2 km radius around Huanren Manchu Autonomous County, Benxi, Liaoning, China (12.57 km²), from a satellite image of Sep 21, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Huanren · AQI 155 (Unhealthy)
Huanren's tree count comes to 113,898 trees across 11.72 km² of land, 1 points below the 40% tree-cover level considered healthy for this area, so roughly 3,221 more trees would close the gap.
Air quality detail
Air quality in Huanren today: AQI 155, Unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 165 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 165 km, e.g. Tonghua and Baishan
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
61.2
PM10
56.8
NO₂
10.1
O₃
34.0
SO₂
10.5
CO
604.0
- 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 Huanren's daily AQI at 64 on average, from 44 on Nov 9 to an hourly peak of 130 on Nov 5.
Where Huanren stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Huanren: Below target
38.9% tree cover against a 40% healthy-neighborhood target, across 11.72 km² of land.
Trees in this area
113,898
Target trees
117,119
More trees needed
3,221
CO₂ if planted / yr
70.9 t
Deforestation · 2001–2025
How much forest has Huanren lost?
Since 2001, the area within 10 km of Huanren has lost about 442 hectares of forest (about 620 football pitches): 3.9% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 14 hectares (3.1%) 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 north of the city center.
- Forest lost since 2001
- 442 haabout 620 football pitches
- Share of its forest
- 3.9%of what there was in 2000
- Cleared for good
- 14 hadeforestation: turned into farms, mines or towns
The worst year was 2022, when about 48 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 | 2 ha | 2 ha |
| 2002 | under 1 ha | 7 ha | 7 ha |
| 2003 | under 1 ha | 20 ha | 21 ha |
| 2004 | under 1 ha | 14 ha | 15 ha |
| 2005 | under 1 ha | 23 ha | 23 ha |
| 2006 | under 1 ha | 36 ha | 36 ha |
| 2007 | under 1 ha | 32 ha | 32 ha |
| 2008 | under 1 ha | 18 ha | 18 ha |
| 2009 | under 1 ha | 12 ha | 12 ha |
| 2010 | under 1 ha | 8 ha | 8 ha |
| 2011 | under 1 ha | 27 ha | 28 ha |
| 2012 | under 1 ha | 13 ha | 13 ha |
| 2013 | under 1 ha | 8 ha | 8 ha |
| 2014 | under 1 ha | 8 ha | 8 ha |
| 2015 | under 1 ha | 5 ha | 5 ha |
| 2016 | under 1 ha | 10 ha | 11 ha |
| 2017 | 4 ha | 29 ha | 33 ha |
| 2018 | 3 ha | 11 ha | 13 ha |
| 2019 | under 1 ha | 18 ha | 18 ha |
| 2020 | under 1 ha | 10 ha | 10 ha |
| 2021 | under 1 ha | 13 ha | 13 ha |
| 2022 | under 1 ha | 48 ha | 48 ha |
| 2023 | 1 ha | 11 ha | 12 ha |
| 2024 | under 1 ha | 16 ha | 16 ha |
| 2025 | 1 ha | 32 ha | 33 ha |
What is causing deforestation around Huanren?
- Loggingcan grow back93% · 411 ha
- Towns and roadscleared for good1.9% · 9 ha
- Mining and energycleared for good1.1% · 5 ha
Also: wildfires, 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
- 15,800 ha
- Forest in 2020
- 17,000 ha
- Overall change
- +1,270 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Huanren grew from about 15,800 hectares to 17,000 hectares, a net gain of about 1,270 hectares (+8%). New forest grew on about 1,410 hectares, while 136 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 Huanren
What is the air quality (AQI) in Huanren right now?
The latest reading for Huanren shows an AQI of 155 (Unhealthy), observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 165 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 Huanren today?
At AQI 155 (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 Huanren been like this week?
Over the last 7 days, the CAMS air-quality model put Huanren's daily AQI at 64 on average, from 44 on Nov 9 to an hourly peak of 130 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 Huanren lost since 2001?
Since 2001, the area within 10 km of Huanren has lost about 442 hectares of forest (about 620 football pitches): 3.9% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 14 hectares (3.1%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Huanren grew from about 15,800 hectares to 17,000 hectares, a net gain of about 1,270 hectares (+8%). New forest grew on about 1,410 hectares, while 136 hectares were lost.
What is the tree count in Huanren?
Huanren has an estimated 113,898 trees across the 11.72 km² of land measured — 38.9% tree cover, 1 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Huanren need?
Huanren needs roughly 3,221 more trees to close a 1-point shortfall against its 40% tree-cover target — about 70.9 t of extra CO₂ absorbed per year once grown.
How are Huanren'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 Huanren Manchu Autonomous County; the tree count is an estimate derived from that cover.
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