City report · Jiangxi, China
Yichun Air quality today
Air quality in Yichun currently reads AQI 67 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 67
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 17.8
- tree cover
- 32.9%
- trees in this area
- 103K
- more trees needed
- 0
Measured across a 2 km radius around Yuanzhou District, Yichun, Yichun, Jiangxi, China (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Yichun · AQI 67 (Moderate)
Yichun's tree count comes to 102,635 trees across 12.48 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Yichun today: AQI 67, Moderate
Main pollutant: PM2.5 · Observed Nov 12, 00:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Yichun (伊春), 2.6 km away · median of 3 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
17.8
PM10
49.7
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Jiangxi Province Environmental Protection Agency (江西省环境保护厅)
- 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 Yichun's daily AQI at 62 on average, from 38 on Nov 8 to an hourly peak of 127 on Nov 11.
Where Yichun stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Yichun: Healthy tree cover
32.9% tree cover against a 30% healthy-neighborhood target, across 12.48 km² of land.
Trees in this area
102,635
Target trees
102,635
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Yichun lost?
Since 2001, the area within 10 km of Yichun has lost about 3,280 hectares of forest (about 4,600 football pitches): 35% of the forest it had in 2000. Most of it (75%) was deforestation, forest cleared for good, mainly for towns and roads.
2018: satellite photo from October 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 3,280 haabout 4,600 football pitches
- Share of its forest
- 35%of what there was in 2000
- Cleared for good
- 2,450 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 100 hectares a year in 2021–2025, down from 191 hectares a year in 2016–2020. The worst year was 2009, when about 286 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 | 2 ha | 2 ha | 3 ha |
| 2002 | 11 ha | 2 ha | 12 ha |
| 2003 | 40 ha | 2 ha | 43 ha |
| 2004 | 90 ha | 9 ha | 99 ha |
| 2005 | 77 ha | 24 ha | 101 ha |
| 2006 | 75 ha | 5 ha | 80 ha |
| 2007 | 44 ha | 9 ha | 52 ha |
| 2008 | 104 ha | 10 ha | 114 ha |
| 2009 | 277 ha | 9 ha | 286 ha |
| 2010 | 169 ha | 8 ha | 177 ha |
| 2011 | 78 ha | 15 ha | 93 ha |
| 2012 | 234 ha | 40 ha | 274 ha |
| 2013 | 102 ha | 27 ha | 129 ha |
| 2014 | 115 ha | 47 ha | 162 ha |
| 2015 | 124 ha | 79 ha | 203 ha |
| 2016 | 109 ha | 113 ha | 222 ha |
| 2017 | 94 ha | 75 ha | 169 ha |
| 2018 | 116 ha | 55 ha | 171 ha |
| 2019 | 188 ha | 60 ha | 248 ha |
| 2020 | 73 ha | 74 ha | 147 ha |
| 2021 | 90 ha | 40 ha | 129 ha |
| 2022 | 48 ha | 34 ha | 82 ha |
| 2023 | 126 ha | 47 ha | 173 ha |
| 2024 | 39 ha | 28 ha | 68 ha |
| 2025 | 29 ha | 18 ha | 47 ha |
What is causing deforestation around Yichun?
- Towns and roadscleared for good66% · 2,180 ha
- Loggingcan grow back25% · 828 ha
- Mining and energycleared for good7.3% · 240 ha
Also: farms, pasture and plantations, 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
- 14,500 ha
- Forest in 2020
- 10,800 ha
- Overall change
- −3,750 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Yichun shrank from about 14,500 hectares to 10,800 hectares, a net loss of about 3,750 hectares (−26%). New forest grew on about 254 hectares, but 4,000 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 Yichun
What is the air quality (AQI) in Yichun right now?
The latest reading for Yichun shows an AQI of 67 (Moderate), measured Nov 12, 00:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Yichun (伊春), 2.6 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Yichun today?
At AQI 67 (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 Yichun been like this week?
Over the last 7 days, the CAMS air-quality model put Yichun's daily AQI at 62 on average, from 38 on Nov 8 to an hourly peak of 127 on Nov 11. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Yichun lost since 2001?
Since 2001, the area within 10 km of Yichun has lost about 3,280 hectares of forest (about 4,600 football pitches): 35% of the forest it had in 2000. Most of it (75%) was deforestation, forest cleared for good, mainly for towns and roads. Forest loss is slowing down: about 100 hectares a year in 2021–2025, down from 191 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Yichun shrank from about 14,500 hectares to 10,800 hectares, a net loss of about 3,750 hectares (−26%). New forest grew on about 254 hectares, but 4,000 hectares were lost.
What is the tree count in Yichun?
Yichun has an estimated 102,635 trees across the 12.48 km² of land measured — 32.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Yichun need?
Yichun has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Yichun's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Yuanzhou 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 Yuanzhou District; the tree count is an estimate derived from that cover.
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