City report · Inner Mongolia, China
Ulanhot Air quality today
Air quality in Ulanhot currently reads AQI 144 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 144
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 56.1
- tree cover
- 20.7%
- trees in this area
- 63.9K
- more trees needed
- 44.1K
Measured across a 2 km radius around Ulanhot, Hinggan League, Inner Mongolia, China (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Ulanhot · AQI 144 (Unhealthy for sensitive groups)
Ulanhot's tree count comes to 63,860 trees across 12.34 km² of land, 14 points below the 35% tree-cover level considered healthy for this area, so roughly 44,116 more trees would close the gap.
Air quality detail
Air quality in Ulanhot today: AQI 144, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 6 station cities within 245 km, e.g. Baicheng and Qiqihar
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
56.1
PM10
23.8
NO₂
11.5
O₃
35.0
SO₂
6.7
CO
402.0
- 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 Ulanhot's daily AQI at 56 on average, from 39 on Nov 6 to an hourly peak of 85 on Nov 5.
Where Ulanhot stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Ulanhot: Critically low
20.7% tree cover against a 35% healthy-neighborhood target, across 12.34 km² of land.
Trees in this area
63,860
Target trees
107,976
More trees needed
44,116
CO₂ if planted / yr
970.6 t
Deforestation · 2001–2025
How much forest has Ulanhot lost?
There was almost no forest around Ulanhot 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 June 2017 of a 5 × 5 km area in the city center.
Forest gained and lost, 2000–2020
- Forest in 2000
- 33 ha
- Forest in 2020
- 135 ha
- Overall change
- +102 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Ulanhot grew from about 33 hectares to 135 hectares, a net gain of about 102 hectares. New forest grew on about 102 hectares, while under 1 hectare was 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 Ulanhot
What is the air quality (AQI) in Ulanhot right now?
The latest reading for Ulanhot shows an AQI of 144 (Unhealthy for sensitive groups), observed Nov 10, 22:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Ulanhot today?
At AQI 144 (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 Ulanhot been like this week?
Over the last 7 days, the CAMS air-quality model put Ulanhot's daily AQI at 56 on average, from 39 on Nov 6 to an hourly peak of 85 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Ulanhot lost since 2001?
There was almost no forest around Ulanhot 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. Comparing satellite maps from 2000 and 2020, the forest around Ulanhot grew from about 33 hectares to 135 hectares, a net gain of about 102 hectares. New forest grew on about 102 hectares, while under 1 hectare was lost.
What is the tree count in Ulanhot?
Ulanhot has an estimated 63,860 trees across the 12.34 km² of land measured — 20.7% tree cover, 14 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Ulanhot need?
Ulanhot needs roughly 44,116 more trees to close a 14-point shortfall against its 35% tree-cover target — about 970.6 t of extra CO₂ absorbed per year once grown.
How are Ulanhot'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 Ulanhot; the tree count is an estimate derived from that cover.
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