City report · Gansu, China
Linxia Chengguanzhen Air quality today
Air quality in Linxia Chengguanzhen currently reads AQI 156 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 156
Unhealthy
- PM2.5, fine particles (µg/m³)
- 59.4
- tree cover
- 5.9%
- trees in this area
- 18.5K
- more trees needed
- 107K
Measured across a 2 km radius around Linxia, Linxia Hui Autonomous Prefecture, Gansu, China (12.57 km²), from a satellite image of Sep 22, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Linxia Chengguanzhen · AQI 156 (Unhealthy)
Linxia Chengguanzhen's tree count comes to 18,517 trees across 12.56 km² of land, 34 points below the 40% tree-cover level considered healthy for this area, so roughly 107,021 more trees would close the gap.
Air quality detail
Air quality in Linxia Chengguanzhen today: AQI 156, Unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 185 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 3 station cities within 185 km, e.g. Lanzhou and Baiyin
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
59.4
PM10
34.2
NO₂
22.9
O₃
13.0
SO₂
15.5
CO
962.0
- Outdoor exercise
- Everyone should cut down long or hard exercise; sensitive groups should avoid it
- Windows
- Keep them closed
- Mask
- Wear an N95 outdoors
- Air purifier
- Run one
Over the last 7 days, the CAMS air-quality model put Linxia Chengguanzhen's daily AQI at 85 on average, from 51 on Nov 8 to an hourly peak of 152 on Nov 6.
Where Linxia Chengguanzhen stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Linxia Chengguanzhen: Critically low
5.9% tree cover against a 40% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
18,517
Target trees
125,538
More trees needed
107,021
CO₂ if planted / yr
2,354 t
Deforestation · 2001–2025
How much forest has Linxia Chengguanzhen lost?
There was almost no forest around Linxia Chengguanzhen 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 Linxia Chengguanzhen
What is the air quality (AQI) in Linxia Chengguanzhen right now?
The latest reading for Linxia Chengguanzhen shows an AQI of 156 (Unhealthy), observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 185 km, US EPA index. The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Linxia Chengguanzhen today?
At AQI 156 (Unhealthy): everyone should cut down long or hard exercise; sensitive groups should avoid it. Windows: keep them closed. Masks: wear an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Linxia Chengguanzhen been like this week?
Over the last 7 days, the CAMS air-quality model put Linxia Chengguanzhen's daily AQI at 85 on average, from 51 on Nov 8 to an hourly peak of 152 on Nov 6. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Linxia Chengguanzhen lost since 2001?
There was almost no forest around Linxia Chengguanzhen 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 Linxia Chengguanzhen?
Linxia Chengguanzhen has an estimated 18,517 trees across the 12.56 km² of land measured — 5.9% tree cover, 34 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Linxia Chengguanzhen need?
Linxia Chengguanzhen needs roughly 107,021 more trees to close a 34-point shortfall against its 40% tree-cover target — about 2,354 t of extra CO₂ absorbed per year once grown.
How are Linxia Chengguanzhen's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Linxia; the tree count is an estimate derived from that cover.
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