City report · Xinjiang, China
Hami Air quality today
Air quality in Hami currently reads AQI 152 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
AQI 152
Air quality right now
Unhealthy
- PM2.5, fine particles (µg/m³)
- 57.4
- tree cover
- 21.3%
- trees in this area
- 66.9K
- more trees needed
- 58.7K
Measured across a 2 km radius around Yizhou, Hami, Xinjiang, China (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hami · AQI 152 (Unhealthy)
Hami's tree count comes to 66,916 trees across 12.57 km², 19 points below the 40% tree-cover level considered healthy for this area, so roughly 58,748 more trees would close the gap.
Air quality detail
Air quality in Hami today: AQI 152, Unhealthy
Main pollutant: PM2.5 · Observed Nov 12, 01:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · hāmì shīfàn xuéxiào, Kumul (哈密地区哈密师范学校), 800 m away
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
57.4
PM10
117.6
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project
- 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 Hami's daily AQI at 59 on average, from 51 on Nov 7 to an hourly peak of 105 on Nov 4.
Where Hami stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hami: Critically low
21.3% tree cover against a 40% healthy-neighborhood target, across 12.57 km².
Trees in this area
66,916
Target trees
125,664
More trees needed
58,748
CO₂ if planted / yr
1,292 t
Deforestation · 2001–2025
How much forest has Hami lost?
There was almost no forest around Hami 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.
2018: satellite photo from September 2018 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 Hami
What is the air quality (AQI) in Hami right now?
The latest reading for Hami shows an AQI of 152 (Unhealthy), measured Nov 12, 01:00 local time by the hāmì shīfàn xuéxiào, Kumul (哈密地区哈密师范学校) ground monitoring station, 800 m away, via OpenAQ. The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Hami today?
At AQI 152 (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 Hami been like this week?
Over the last 7 days, the CAMS air-quality model put Hami's daily AQI at 59 on average, from 51 on Nov 7 to an hourly peak of 105 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 Hami lost since 2001?
There was almost no forest around Hami 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 Hami?
Hami has an estimated 66,916 trees across the 12.57 km² measured — 21.3% tree cover, 19 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Hami need?
Hami needs roughly 58,748 more trees to close a 19-point shortfall against its 40% tree-cover target — about 1,292 t of extra CO₂ absorbed per year once grown.
How are Hami's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Yizhou, 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 Yizhou; the tree count is an estimate derived from that cover.
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