City report · Shandong, China
Zhu Cheng City Air quality today
Air quality in Zhu Cheng City currently reads AQI 113 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Air quality right now
AQI 113
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 40.3
- tree cover
- 8.2%
- trees in this area
- 25.0K
- more trees needed
- 81.8K
Measured across a 2 km radius around Zhucheng, Weifang, Shandong, China (12.57 km²), from a satellite image of Sep 22, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Zhu Cheng City · AQI 113 (Unhealthy for sensitive groups)
Zhu Cheng City's tree count comes to 25,040 trees across 12.22 km² of land, 27 points below the 35% tree-cover level considered healthy for this area, so roughly 81,837 more trees would close the gap.
Air quality detail
Air quality in Zhu Cheng City today: AQI 113, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 22:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Zhucheng Safety Supervision Bureau, Zhucheng (诸城市诸城安监局), 1 km away · median of 2 stations
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
40.3
PM10
64.1
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Environmental Protection Department of Shandong Province (山东省环境保护厅)
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Zhu Cheng City's daily AQI at 87 on average, from 52 on Nov 9 to an hourly peak of 153 on Nov 7.
Where Zhu Cheng City stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Zhu Cheng City: Critically low
8.2% tree cover against a 35% healthy-neighborhood target, across 12.22 km² of land.
Trees in this area
25,040
Target trees
106,877
More trees needed
81,837
CO₂ if planted / yr
1,800 t
Deforestation · 2001–2025
How much forest has Zhu Cheng City lost?
There was almost no forest around Zhu Cheng City in 2000, so there has been almost nothing to lose 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 August 2017 of a 5 × 5 km area in the city center.
Forest gained and lost, 2000–2020
- Forest in 2000
- 453 ha
- Forest in 2020
- 1,150 ha
- Overall change
- +696 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Zhu Cheng City grew from about 453 hectares to 1,150 hectares, a net gain of about 696 hectares (+154%). New forest grew on about 698 hectares, while 1 hectare 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 Zhu Cheng City
What is the air quality (AQI) in Zhu Cheng City right now?
The latest reading for Zhu Cheng City shows an AQI of 113 (Unhealthy for sensitive groups), measured Nov 11, 22:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Zhucheng Safety Supervision Bureau, Zhucheng (诸城市诸城安监局), 1 km away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Zhu Cheng City today?
At AQI 113 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Zhu Cheng City been like this week?
Over the last 7 days, the CAMS air-quality model put Zhu Cheng City's daily AQI at 87 on average, from 52 on Nov 9 to an hourly peak of 153 on Nov 7. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Zhu Cheng City lost since 2001?
There was almost no forest around Zhu Cheng City in 2000, so there has been almost nothing to lose 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 Zhu Cheng City grew from about 453 hectares to 1,150 hectares, a net gain of about 696 hectares (+154%). New forest grew on about 698 hectares, while 1 hectare were lost.
What is the tree count in Zhu Cheng City?
Zhu Cheng City has an estimated 25,040 trees across the 12.22 km² of land measured — 8.2% tree cover, 27 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Zhu Cheng City need?
Zhu Cheng City needs roughly 81,837 more trees to close a 27-point shortfall against its 35% tree-cover target — about 1,800 t of extra CO₂ absorbed per year once grown.
How are Zhu Cheng City's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Zhucheng, 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 Zhucheng; the tree count is an estimate derived from that cover.
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