City report · Hebei, China
Jizhou Air quality today
Air quality in Jizhou currently reads AQI 98 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 98
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 34.5
- tree cover
- 13.3%
- trees in this area
- 35.5K
- more trees needed
- 44.6K
Measured across a 2 km radius around Jizhou, Hengshui, Hebei, China (12.57 km²), from a satellite image of Sep 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Jizhou · AQI 98 (Moderate)
Jizhou's tree count comes to 35,516 trees across 10.68 km² of land, 17 points below the 30% tree-cover level considered healthy for this area, so roughly 44,595 more trees would close the gap.
Air quality detail
Air quality in Jizhou today: AQI 98, Moderate
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 · Environmental Monitoring Station, Hengshui (衡水市环境监测站), 21.9 km away · median of 2 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
34.5
PM10
62.0
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Hebei Province Environment Protection Agency (河北省空气质量自动发布系统)
- 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 Jizhou's daily AQI at 94 on average, from 70 on Nov 8 to an hourly peak of 158 on Nov 9.
Where Jizhou stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Jizhou: Critically low
13.3% tree cover against a 30% healthy-neighborhood target, across 10.68 km² of land.
Trees in this area
35,516
Target trees
80,111
More trees needed
44,595
CO₂ if planted / yr
981.1 t
Deforestation · 2001–2025
How much forest has Jizhou lost?
Since 2001, the area within 10 km of Jizhou has lost about 21 hectares of forest (about 29 football pitches): 5.5% of the forest it had in 2000. Most of it was lost to storms, floods and other natural causes, so much of it can grow back. About 3 hectares (14%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from June 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 21 haabout 29 football pitches
- Share of its forest
- 5.5%of what there was in 2000
- Cleared for good
- 3 hadeforestation: turned into farms, mines or towns
The worst year was 2003, 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 | 3 ha | 3 ha |
| 2002 | under 1 ha | 2 ha | 2 ha |
| 2003 | 2 ha | 6 ha | 7 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | 2 ha | 2 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 | 2 ha | 3 ha |
| 2010 | under 1 ha | 2 ha | 2 ha |
| 2011 | under 1 ha | 1 ha | 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 Jizhou?
- Storms, floods and other natural causescan grow back58% · 12 ha
- Towns and roadscleared for good14% · 3 ha
- Unknown causescause unknown28% · 6 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
- 332 ha
- Forest in 2020
- 905 ha
- Overall change
- +573 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Jizhou grew from about 332 hectares to 905 hectares, a net gain of about 573 hectares (+173%). New forest grew on about 573 hectares, while under 1 hectare was 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 Jizhou
What is the air quality (AQI) in Jizhou right now?
The latest reading for Jizhou shows an AQI of 98 (Moderate), measured Nov 11, 23:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Environmental Monitoring Station, Hengshui (衡水市环境监测站), 21.9 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Jizhou today?
At AQI 98 (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 Jizhou been like this week?
Over the last 7 days, the CAMS air-quality model put Jizhou's daily AQI at 94 on average, from 70 on Nov 8 to an hourly peak of 158 on Nov 9. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Jizhou lost since 2001?
Since 2001, the area within 10 km of Jizhou has lost about 21 hectares of forest (about 29 football pitches): 5.5% of the forest it had in 2000. Most of it was lost to storms, floods and other natural causes, so much of it can grow back. About 3 hectares (14%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Jizhou grew from about 332 hectares to 905 hectares, a net gain of about 573 hectares (+173%). New forest grew on about 573 hectares, while under 1 hectare was lost.
What is the tree count in Jizhou?
Jizhou has an estimated 35,516 trees across the 10.68 km² of land measured — 13.3% tree cover, 17 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Jizhou need?
Jizhou needs roughly 44,595 more trees to close a 17-point shortfall against its 30% tree-cover target — about 981.1 t of extra CO₂ absorbed per year once grown.
How are Jizhou's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Jizhou, 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 Jizhou; the tree count is an estimate derived from that cover.
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