City report · Zhejiang, China
Dongyang Air quality today
Air quality in Dongyang currently reads AQI 63 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 63
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 13.2
- tree cover
- 9.9%
- trees in this area
- 31.1K
- more trees needed
- 63.1K
Measured across a 2 km radius around Dongyang, Jinhua, Zhejiang, China (12.57 km²), from a satellite image of Sep 19, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Dongyang · AQI 63 (Moderate)
Dongyang's tree count comes to 31,071 trees across 12.56 km² of land, 20 points below the 30% tree-cover level considered healthy for this area, so roughly 63,083 more trees would close the gap.
Air quality detail
Air quality in Dongyang today: AQI 63, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 13:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 205 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 5 station cities within 205 km, e.g. Wenzhou and Wenzhou
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
13.2
PM10
21.9
NO₂
2.4
O₃
103.0
SO₂
3.4
CO
218.0
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Dongyang's daily AQI at 79 on average, from 57 on Nov 8 to an hourly peak of 143 on Nov 11.
Where Dongyang stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Dongyang: Critically low
9.9% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
31,071
Target trees
94,154
More trees needed
63,083
CO₂ if planted / yr
1,388 t
Deforestation · 2001–2025
How much forest has Dongyang lost?
Since 2001, the area within 10 km of Dongyang has lost about 301 hectares of forest (about 420 football pitches): 2.8% of the forest it had in 2000. Most of it (83%) was deforestation, forest cleared for good, mainly for towns and roads.
2018: satellite photo from December 2017 of a 5 × 5 km area about 7 km southeast of the city center.
- Forest lost since 2001
- 301 haabout 420 football pitches
- Share of its forest
- 2.8%of what there was in 2000
- Cleared for good
- 248 hadeforestation: turned into farms, mines or towns
The worst year was 2020, when about 37 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 | 2 ha | 3 ha |
| 2002 | 1 ha | 4 ha | 5 ha |
| 2003 | 2 ha | 1 ha | 3 ha |
| 2004 | 12 ha | 8 ha | 20 ha |
| 2005 | 3 ha | 4 ha | 7 ha |
| 2006 | 5 ha | 3 ha | 8 ha |
| 2007 | 9 ha | 3 ha | 12 ha |
| 2008 | 4 ha | 7 ha | 11 ha |
| 2009 | 6 ha | 3 ha | 9 ha |
| 2010 | 4 ha | 2 ha | 6 ha |
| 2011 | 13 ha | under 1 ha | 13 ha |
| 2012 | 7 ha | 3 ha | 10 ha |
| 2013 | 3 ha | under 1 ha | 4 ha |
| 2014 | 21 ha | 2 ha | 24 ha |
| 2015 | 10 ha | under 1 ha | 10 ha |
| 2016 | 5 ha | 3 ha | 8 ha |
| 2017 | 9 ha | under 1 ha | 10 ha |
| 2018 | 6 ha | 2 ha | 8 ha |
| 2019 | 27 ha | under 1 ha | 27 ha |
| 2020 | 37 ha | under 1 ha | 37 ha |
| 2021 | 12 ha | under 1 ha | 13 ha |
| 2022 | 17 ha | under 1 ha | 17 ha |
| 2023 | 19 ha | 1 ha | 20 ha |
| 2024 | 11 ha | under 1 ha | 11 ha |
| 2025 | 6 ha | 2 ha | 9 ha |
What is causing deforestation around Dongyang?
- Towns and roadscleared for good59% · 179 ha
- Mining and energycleared for good23% · 70 ha
- Loggingcan grow back12% · 36 ha
Also: 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
- 14,800 ha
- Forest in 2020
- 14,600 ha
- Overall change
- −176 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Dongyang stayed about the same size, at about 14,600 hectares: new forest grew on about 175 hectares, and about 351 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 Dongyang
What is the air quality (AQI) in Dongyang right now?
The latest reading for Dongyang shows an AQI of 63 (Moderate), observed Nov 11, 13:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 205 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Dongyang today?
At AQI 63 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Dongyang been like this week?
Over the last 7 days, the CAMS air-quality model put Dongyang's daily AQI at 79 on average, from 57 on Nov 8 to an hourly peak of 143 on Nov 11. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Dongyang lost since 2001?
Since 2001, the area within 10 km of Dongyang has lost about 301 hectares of forest (about 420 football pitches): 2.8% of the forest it had in 2000. Most of it (83%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Dongyang stayed about the same size, at about 14,600 hectares: new forest grew on about 175 hectares, and about 351 hectares were lost.
What is the tree count in Dongyang?
Dongyang has an estimated 31,071 trees across the 12.56 km² of land measured — 9.9% tree cover, 20 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Dongyang need?
Dongyang needs roughly 63,083 more trees to close a 20-point shortfall against its 30% tree-cover target — about 1,388 t of extra CO₂ absorbed per year once grown.
How are Dongyang'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 Dongyang; the tree count is an estimate derived from that cover.
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