City report · Gansu, China
Jiuquan Air quality today
Air quality in Jiuquan currently reads AQI 75 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 75
Moderate
- PM2.5, fine particles (µg/m³)
- 22.1
- tree cover
- 12.4%
- trees in this area
- 38.8K
- more trees needed
- 55.1K
Measured across a 2 km radius around Suzhou District, Jiuquan, Gansu, China (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Jiuquan · AQI 75 (Moderate)
Jiuquan's tree count comes to 38,800 trees across 12.52 km² of land, 18 points below the 30% tree-cover level considered healthy for this area, so roughly 55,071 more trees would close the gap.
Air quality detail
Air quality in Jiuquan today: AQI 75, 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 · Bureau of Meteorology, Jiayuguan (嘉峪关气象局), 19.6 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
22.1
PM10
43.2
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Gangsu Environmental Protection Agency (甘肃省生态环境厅), China National Urban air quality real-time publishing platform (全国城市空气质量实时发布平台)
- 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 Jiuquan's daily AQI at 59 on average, from 45 on Nov 9 to an hourly peak of 89 on Nov 4.
Where Jiuquan stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Jiuquan: Critically low
12.4% tree cover against a 30% healthy-neighborhood target, across 12.52 km² of land.
Trees in this area
38,800
Target trees
93,871
More trees needed
55,071
CO₂ if planted / yr
1,212 t
Deforestation · 2001–2025
How much forest has Jiuquan lost?
There was almost no forest around Jiuquan 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 September 2017 of a 5 × 5 km area in the city center.
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. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Jiuquan
What is the air quality (AQI) in Jiuquan right now?
The latest reading for Jiuquan shows an AQI of 75 (Moderate), measured Nov 11, 23:00 local time by the Bureau of Meteorology, Jiayuguan (嘉峪关气象局) ground monitoring station, 19.6 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Jiuquan today?
At AQI 75 (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 Jiuquan been like this week?
Over the last 7 days, the CAMS air-quality model put Jiuquan's daily AQI at 59 on average, from 45 on Nov 9 to an hourly peak of 89 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Jiuquan lost since 2001?
There was almost no forest around Jiuquan 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.
What is the tree count in Jiuquan?
Jiuquan has an estimated 38,800 trees across the 12.52 km² of land measured — 12.4% tree cover, 18 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Jiuquan need?
Jiuquan needs roughly 55,071 more trees to close a 18-point shortfall against its 30% tree-cover target — about 1,212 t of extra CO₂ absorbed per year once grown.
How are Jiuquan's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Suzhou 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 Suzhou District; the tree count is an estimate derived from that cover.
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