City report · Inner Mongolia, China
Wuhai Air quality today
Air quality in Wuhai currently reads AQI 171 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 171
Unhealthy
- PM2.5, fine particles (µg/m³)
- 84.6
- tree cover
- 21.0%
- trees in this area
- 65.8K
- more trees needed
- 59.5K
Measured across a 2 km radius around Haibowan District, Wuhai, Inner Mongolia, China (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Wuhai · AQI 171 (Unhealthy)
Wuhai's tree count comes to 65,776 trees across 12.53 km² of land, 19 points below the 40% tree-cover level considered healthy for this area, so roughly 59,511 more trees would close the gap.
Air quality detail
Air quality in Wuhai today: AQI 171, Unhealthy
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 · Forestry Bureau, Wuhai (乌海市林业局), 1.5 km away
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
84.6
PM10
103.5
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 Wuhai's daily AQI at 74 on average, from 67 on Nov 8 to an hourly peak of 124 on Nov 6.
Where Wuhai stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Wuhai: Critically low
21.0% tree cover against a 40% healthy-neighborhood target, across 12.53 km² of land.
Trees in this area
65,776
Target trees
125,287
More trees needed
59,511
CO₂ if planted / yr
1,309 t
Deforestation · 2001–2025
How much forest has Wuhai lost?
There was almost no forest around Wuhai 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 Wuhai
What is the air quality (AQI) in Wuhai right now?
The latest reading for Wuhai shows an AQI of 171 (Unhealthy), measured Nov 11, 23:00 local time by the Forestry Bureau, Wuhai (乌海市林业局) ground monitoring station, 1.5 km 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 Wuhai today?
At AQI 171 (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 Wuhai been like this week?
Over the last 7 days, the CAMS air-quality model put Wuhai's daily AQI at 74 on average, from 67 on Nov 8 to an hourly peak of 124 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Wuhai lost since 2001?
There was almost no forest around Wuhai 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 Wuhai?
Wuhai has an estimated 65,776 trees across the 12.53 km² of land measured — 21.0% tree cover, 19 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Wuhai need?
Wuhai needs roughly 59,511 more trees to close a 19-point shortfall against its 40% tree-cover target — about 1,309 t of extra CO₂ absorbed per year once grown.
How are Wuhai's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Haibowan 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 Haibowan District; the tree count is an estimate derived from that cover.
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