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Airleaf

City report · Zhejiang, China

Zhuji Air quality today

Air quality in Zhuji currently reads AQI 73 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

AQI 73

Air quality right now

Moderate

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
15.9
tree cover
24.5%
trees in this area
74.5K
more trees needed
16.7K

Measured across a 2 km radius around Zhuji, Shaoxing, Zhejiang, China (12.57 km²), from a satellite image of Aug 2, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Zhuji · AQI 73 (Moderate)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Aug 2, 2026

Zhuji's tree count comes to 74,506 trees across 12.17 km² of land, 5 points below the 30% tree-cover level considered healthy for this area, so roughly 16,726 more trees would close the gap.

Air quality detail

Air quality in Zhuji today: AQI 73, Moderate

Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 19 ground-station cities within 225 km, US EPA index. Values in µg/m³.

Estimate · model corrected with 19 station cities within 225 km, e.g. Jinshan District, Shanghai, China and Jinshan District, Shanghai, China

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

15.9

PM10

31.3

NO₂

13.3

O₃

75.0

SO₂

8.1

CO

301.0

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 Zhuji's daily AQI at 93 on average, from 60 on Nov 9 to an hourly peak of 166 on Nov 11.

Last 7 daysavg 93 · peak 166
Nov 5: AQI 83 (peak 138)Nov 6: AQI 125 (peak 153)Nov 7: AQI 94 (peak 151)Nov 8: AQI 62 (peak 83)Nov 9: AQI 60 (peak 84)Nov 10: AQI 78 (peak 139)Nov 11: AQI 150 (peak 166)
Nov 5Nov 11

Where Zhuji stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Zhuji: Below target

24.5% tree cover against a 30% healthy-neighborhood target, across 12.17 km² of land.

5 points below target

Trees in this area

74,506

Target trees

91,232

More trees needed

16,726

CO₂ if planted / yr

368.0 t

Deforestation · 2001–2025

How much forest has Zhuji lost?

Since 2001, the area within 10 km of Zhuji has lost about 314 hectares of forest (about 440 football pitches): 4.2% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for towns and roads.

Satellite image of the area around Zhuji, January 2017

2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.

Forest lost since 2001
314 haabout 440 football pitches
Share of its forest
4.2%of what there was in 2000
Cleared for good
277 hadeforestation: turned into farms, mines or towns

The worst year was 2014, when about 51 hectares of forest were lost.

Forest lost each year around Zhuji, 2001–2025

Hectares of forest lost each year

Forest lost each year around Zhuji, 2001–2025. Use the left and right arrow keys to read each year.51.1

Show the figures as a table
Forest lost each year around Zhuji, 2001–2025
YearCleared for goodCan grow backTotal
20011 haunder 1 ha2 ha
2002under 1 haunder 1 haunder 1 ha
2003under 1 haunder 1 haunder 1 ha
20045 haunder 1 ha6 ha
20053 haunder 1 ha4 ha
20068 ha3 ha10 ha
20075 ha1 ha6 ha
200810 ha4 ha14 ha
200911 haunder 1 ha11 ha
201017 haunder 1 ha17 ha
20118 haunder 1 ha8 ha
20129 ha2 ha11 ha
201341 ha8 ha49 ha
201447 ha4 ha51 ha
201512 haunder 1 ha13 ha
201610 haunder 1 ha11 ha
201713 ha2 ha15 ha
201812 ha2 ha14 ha
20194 haunder 1 ha5 ha
20207 haunder 1 ha8 ha
20218 haunder 1 ha8 ha
20228 haunder 1 ha9 ha
202310 haunder 1 ha10 ha
20249 haunder 1 ha10 ha
202519 ha5 ha23 ha

What is causing deforestation around Zhuji?

  • Towns and roadscleared for good85% · 268 ha
  • Loggingcan grow back7.6% · 24 ha
  • Wildfirescan grow back1.6% · 5 ha

Also: farms, pasture and plantations, mining and energy, 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
10,600 ha
Forest in 2020
10,600 ha
Overall change
+20 hamore forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Zhuji stayed about the same size, at about 10,600 hectares: new forest grew on about 399 hectares, and about 379 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 Zhuji

Same 2 km radius, same index — so they compare directly.

  • Puyang

    China

    44.9 km
    Tree cover
    21%
    Air quality
    97
  • 45.2 km
    Tree cover
    26%
    Air quality
    151
  • Yiwu

    China

    47.7 km
    Tree cover
    19%
    Air quality
    154
  • 50.2 km
    Tree cover
    10%
    Air quality
    63
  • 64.4 km
    Tree cover
    28%
    Air quality
    157
  • Shangyu

    China

    69.0 km
    Tree cover
    33%
    Air quality
    119

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Zhuji air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Zhuji

What is the air quality (AQI) in Zhuji right now?

The latest reading for Zhuji shows an AQI of 73 (Moderate), observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 19 ground-station cities within 225 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 Zhuji today?

At AQI 73 (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 Zhuji been like this week?

Over the last 7 days, the CAMS air-quality model put Zhuji's daily AQI at 93 on average, from 60 on Nov 9 to an hourly peak of 166 on Nov 11. On 2 of those days the average was above 100, unhealthy for sensitive groups.

How much forest has the area around Zhuji lost since 2001?

Since 2001, the area within 10 km of Zhuji has lost about 314 hectares of forest (about 440 football pitches): 4.2% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Zhuji stayed about the same size, at about 10,600 hectares: new forest grew on about 399 hectares, and about 379 hectares were lost.

What is the tree count in Zhuji?

Zhuji has an estimated 74,506 trees across the 12.17 km² of land measured — 24.5% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Zhuji need?

Zhuji needs roughly 16,726 more trees to close a 5-point shortfall against its 30% tree-cover target — about 368.0 t of extra CO₂ absorbed per year once grown.

How are Zhuji'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 Zhuji; the tree count is an estimate derived from that cover.

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