City report · Liaoning, China
Kaiyuan, Liaoning Air quality today
Air quality in Kaiyuan, Liaoning currently reads AQI 169 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
AQI 169
Air quality right now
Unhealthy
- PM2.5, fine particles (µg/m³)
- 76.6
- tree cover
- 8.9%
- trees in this area
- 28.0K
- more trees needed
- 97.7K
Measured across a 2 km radius around Kaiyuan, Tieling, Liaoning, China (12.57 km²), from a satellite image of Sep 19, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kaiyuan, Liaoning · AQI 169 (Unhealthy)
Kaiyuan, Liaoning's tree count comes to 27,960 trees across 12.57 km², 31 points below the 40% tree-cover level considered healthy for this area, so roughly 97,704 more trees would close the gap.
Air quality detail
Air quality in Kaiyuan, Liaoning today: AQI 169, Unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 125 km, e.g. Tieling and Fushun
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
76.6
PM10
64.3
NO₂
20.2
O₃
35.0
SO₂
9.6
CO
332.0
- 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 Kaiyuan, Liaoning's daily AQI at 94 on average, from 66 on Nov 6 to an hourly peak of 169 on Nov 5.
Where Kaiyuan, Liaoning stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kaiyuan, Liaoning: Critically low
8.9% tree cover against a 40% healthy-neighborhood target, across 12.57 km².
Trees in this area
27,960
Target trees
125,664
More trees needed
97,704
CO₂ if planted / yr
2,149 t
Deforestation · 2001–2025
How much forest has Kaiyuan, Liaoning lost?
There was very little forest around Kaiyuan, Liaoning in 2000, about 89 hectares, and about 19 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from June 2017 of a 5 × 5 km area in the city center.
The worst year was 2017, when about 7 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 | 1 ha | 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | 1 ha | 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | 2 ha | 2 ha |
| 2017 | under 1 ha | 7 ha | 7 ha |
| 2018 | under 1 ha | 1 ha | 1 ha |
| 2019 | under 1 ha | 2 ha | 2 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 | 1 ha | 1 ha |
| 2024 | under 1 ha | 1 ha | 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Kaiyuan, Liaoning?
- Loggingcan grow back88% · 17 ha
- Wildfirescan grow back10% · 2 ha
- Unknown causescause unknown1% · under 1 ha
Also: towns and roads.
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
- 745 ha
- Forest in 2020
- 812 ha
- Overall change
- +67 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kaiyuan, Liaoning grew from about 745 hectares to 812 hectares, a net gain of about 67 hectares (+9%). New forest grew on about 139 hectares, while 73 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 Kaiyuan, Liaoning
What is the air quality (AQI) in Kaiyuan, Liaoning right now?
The latest reading for Kaiyuan, Liaoning shows an AQI of 169 (Unhealthy), observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 125 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 Kaiyuan, Liaoning today?
At AQI 169 (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 Kaiyuan, Liaoning been like this week?
Over the last 7 days, the CAMS air-quality model put Kaiyuan, Liaoning's daily AQI at 94 on average, from 66 on Nov 6 to an hourly peak of 169 on Nov 5. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Kaiyuan, Liaoning lost since 2001?
There was very little forest around Kaiyuan, Liaoning in 2000, about 89 hectares, and about 19 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here. Comparing satellite maps from 2000 and 2020, the forest around Kaiyuan, Liaoning grew from about 745 hectares to 812 hectares, a net gain of about 67 hectares (+9%). New forest grew on about 139 hectares, while 73 hectares were lost.
What is the tree count in Kaiyuan, Liaoning?
Kaiyuan, Liaoning has an estimated 27,960 trees across the 12.57 km² measured — 8.9% tree cover, 31 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Kaiyuan, Liaoning need?
Kaiyuan, Liaoning needs roughly 97,704 more trees to close a 31-point shortfall against its 40% tree-cover target — about 2,149 t of extra CO₂ absorbed per year once grown.
How are Kaiyuan, Liaoning'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 Kaiyuan; the tree count is an estimate derived from that cover.
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