City report · Gansu, China
Baiyin Air quality today
Air quality in Baiyin currently reads AQI 137 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 137
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 50.1
- tree cover
- 8.3%
- trees in this area
- 26.0K
- more trees needed
- 83.8K
Measured across a 2 km radius around Baiyin District, Baiyin, Gansu, China (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Baiyin · AQI 137 (Unhealthy for sensitive groups)
Baiyin's tree count comes to 26,049 trees across 12.56 km² of land, 27 points below the 35% tree-cover level considered healthy for this area, so roughly 83,797 more trees would close the gap.
Air quality detail
Air quality in Baiyin today: AQI 137, Unhealthy for sensitive groups
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 · dònglì gōngsī, Baiyin (白银动力公司), 300 m away
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
50.1
PM10
67.1
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
- 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 Baiyin's daily AQI at 67 on average, from 54 on Nov 8 to an hourly peak of 93 on Nov 9.
Where Baiyin stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Baiyin: Critically low
8.3% tree cover against a 35% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
26,049
Target trees
109,846
More trees needed
83,797
CO₂ if planted / yr
1,844 t
Deforestation · 2001–2025
How much forest has Baiyin lost?
There was almost no forest around Baiyin 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 July 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 Baiyin
What is the air quality (AQI) in Baiyin right now?
The latest reading for Baiyin shows an AQI of 137 (Unhealthy for sensitive groups), measured Nov 12, 00:00 local time by the dònglì gōngsī, Baiyin (白银动力公司) ground monitoring station, 300 m away, via OpenAQ. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Baiyin today?
At AQI 137 (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 Baiyin been like this week?
Over the last 7 days, the CAMS air-quality model put Baiyin's daily AQI at 67 on average, from 54 on Nov 8 to an hourly peak of 93 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Baiyin lost since 2001?
There was almost no forest around Baiyin 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 Baiyin?
Baiyin has an estimated 26,049 trees across the 12.56 km² of land measured — 8.3% tree cover, 27 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Baiyin need?
Baiyin needs roughly 83,797 more trees to close a 27-point shortfall against its 35% tree-cover target — about 1,844 t of extra CO₂ absorbed per year once grown.
How are Baiyin's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Baiyin 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 Baiyin District; the tree count is an estimate derived from that cover.
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