City report · Shaanxi, China
Hanzhong Air quality today
Air quality in Hanzhong currently reads AQI 165 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
AQI 165
Air quality right now
Unhealthy
- PM2.5, fine particles (µg/m³)
- 75.8
- tree cover
- 12.9%
- trees in this area
- 40.5K
- more trees needed
- 85.1K
Measured across a 2 km radius around Hantai District, Hanzhong, Shaanxi, China (12.57 km²), from a satellite image of Sep 4, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hanzhong · AQI 165 (Unhealthy)
Hanzhong's tree count comes to 40,527 trees across 12.57 km², 27 points below the 40% tree-cover level considered healthy for this area, so roughly 85,137 more trees would close the gap.
Air quality detail
Air quality in Hanzhong today: AQI 165, Unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Xinyuan BDA, Hanzhong (汉中鑫源开发区), 4.5 km away · median of 2 stations
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
75.8
PM10
97.4
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Shaanxi Provincial Environmental Protection Office (陕西省环保厅)
- 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 Hanzhong's daily AQI at 88 on average, from 70 on Nov 7 to an hourly peak of 154 on Nov 11.
Where Hanzhong stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hanzhong: Critically low
12.9% tree cover against a 40% healthy-neighborhood target, across 12.57 km².
Trees in this area
40,527
Target trees
125,664
More trees needed
85,137
CO₂ if planted / yr
1,873 t
Deforestation · 2001–2025
How much forest has Hanzhong lost?
Since 2001, the area within 10 km of Hanzhong has lost about 9 hectares of forest (about 13 football pitches): 3.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 3 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 9 haabout 13 football pitches
- Share of its forest
- 3.1%of what there was in 2000
- Cleared for good
- 3 hadeforestation: turned into farms, mines or towns
The worst year was 2004, when about 2 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 | 1 ha | 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | 2 ha | 2 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 | 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 Hanzhong?
- Loggingcan grow back63% · 6 ha
- Towns and roadscleared for good29% · 3 ha
- Unknown causescause unknown6.5% · under 1 ha
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
- 2,410 ha
- Forest in 2020
- 3,170 ha
- Overall change
- +766 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hanzhong grew from about 2,410 hectares to 3,170 hectares, a net gain of about 766 hectares (+32%). New forest grew on about 772 hectares, while 7 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 Hanzhong
What is the air quality (AQI) in Hanzhong right now?
The latest reading for Hanzhong shows an AQI of 165 (Unhealthy), measured Nov 11, 23:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Xinyuan BDA, Hanzhong (汉中鑫源开发区), 4.5 km away). The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Hanzhong today?
At AQI 165 (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 Hanzhong been like this week?
Over the last 7 days, the CAMS air-quality model put Hanzhong's daily AQI at 88 on average, from 70 on Nov 7 to an hourly peak of 154 on Nov 11. On 1 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Hanzhong lost since 2001?
Since 2001, the area within 10 km of Hanzhong has lost about 9 hectares of forest (about 13 football pitches): 3.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 3 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Hanzhong grew from about 2,410 hectares to 3,170 hectares, a net gain of about 766 hectares (+32%). New forest grew on about 772 hectares, while 7 hectares were lost.
What is the tree count in Hanzhong?
Hanzhong has an estimated 40,527 trees across the 12.57 km² measured — 12.9% tree cover, 27 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Hanzhong need?
Hanzhong needs roughly 85,137 more trees to close a 27-point shortfall against its 40% tree-cover target — about 1,873 t of extra CO₂ absorbed per year once grown.
How are Hanzhong's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Hantai 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 Hantai District; the tree count is an estimate derived from that cover.
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