City report · Qinghai, China
Qiaotou Air quality today
Air quality in Qiaotou currently reads AQI 69 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 69
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 19.0
- tree cover
- 13.6%
- trees in this area
- 42.7K
- more trees needed
- 51.5K
Measured across a 2 km radius around Datong Hui and Tu Autonomous County, Xining, Qinghai, China (12.57 km²), from a satellite image of Sep 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Qiaotou · AQI 69 (Moderate)
Qiaotou's tree count comes to 42,726 trees across 12.57 km², 16 points below the 30% tree-cover level considered healthy for this area, so roughly 51,522 more trees would close the gap.
Air quality detail
Air quality in Qiaotou today: AQI 69, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 17:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 4 station cities within 245 km, e.g. Xining and Wuwei
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
19.0
PM10
16.6
NO₂
13.7
O₃
87.0
SO₂
5.2
CO
184.0
- 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 Qiaotou's daily AQI at 94 on average, from 66 on Nov 8 to an hourly peak of 158 on Nov 10.
Where Qiaotou stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Qiaotou: Critically low
13.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
42,726
Target trees
94,248
More trees needed
51,522
CO₂ if planted / yr
1,133 t
Deforestation · 2001–2025
How much forest has Qiaotou lost?
Almost no forest has been lost around Qiaotou since 2001: less than 1 hectare of the 102 hectares there in 2000.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
Forest gained and lost, 2000–2020
- Forest in 2000
- 1,410 ha
- Forest in 2020
- 1,500 ha
- Overall change
- +89 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Qiaotou grew from about 1,410 hectares to 1,500 hectares, a net gain of about 89 hectares (+6.3%). New forest grew on about 93 hectares, while 4 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 Qiaotou
What is the air quality (AQI) in Qiaotou right now?
The latest reading for Qiaotou shows an AQI of 69 (Moderate), observed Nov 10, 17:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Qiaotou today?
At AQI 69 (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 Qiaotou been like this week?
Over the last 7 days, the CAMS air-quality model put Qiaotou's daily AQI at 94 on average, from 66 on Nov 8 to an hourly peak of 158 on Nov 10. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Qiaotou lost since 2001?
Almost no forest has been lost around Qiaotou since 2001: less than 1 hectare of the 102 hectares there in 2000. Comparing satellite maps from 2000 and 2020, the forest around Qiaotou grew from about 1,410 hectares to 1,500 hectares, a net gain of about 89 hectares (+6.3%). New forest grew on about 93 hectares, while 4 hectares were lost.
What is the tree count in Qiaotou?
Qiaotou has an estimated 42,726 trees across the 12.57 km² measured — 13.6% tree cover, 16 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Qiaotou need?
Qiaotou needs roughly 51,522 more trees to close a 16-point shortfall against its 30% tree-cover target — about 1,133 t of extra CO₂ absorbed per year once grown.
How are Qiaotou'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 Datong Hui and Tu Autonomous County; the tree count is an estimate derived from that cover.
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