City report · Inner Mongolia, China
Tongliao Air quality today
Air quality in Tongliao currently reads AQI 155 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
AQI 155
Air quality right now
Unhealthy
- PM2.5, fine particles (µg/m³)
- 61.3
- tree cover
- 9.7%
- trees in this area
- 30.5K
- more trees needed
- 95.2K
Measured across a 2 km radius around Horqin District, Tongliao, Inner Mongolia, China (12.57 km²), from a satellite image of Sep 17, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Tongliao · AQI 155 (Unhealthy)
Tongliao's tree count comes to 30,473 trees across 12.57 km², 30 points below the 40% tree-cover level considered healthy for this area, so roughly 95,190 more trees would close the gap.
Air quality detail
Air quality in Tongliao today: AQI 155, 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 · Art vocational school, Tongliao (通辽艺术职业学校), 7.6 km away
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
61.3
PM10
97.4
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 Tongliao's daily AQI at 75 on average, from 52 on Nov 6 to an hourly peak of 157 on Nov 5.
Where Tongliao stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Tongliao: Critically low
9.7% tree cover against a 40% healthy-neighborhood target, across 12.57 km².
Trees in this area
30,473
Target trees
125,663
More trees needed
95,190
CO₂ if planted / yr
2,094 t
Deforestation · 2001–2025
How much forest has Tongliao lost?
There was almost no forest around Tongliao 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.
Forest gained and lost, 2000–2020
- Forest in 2000
- 110 ha
- Forest in 2020
- 301 ha
- Overall change
- +191 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Tongliao grew from about 110 hectares to 301 hectares, a net gain of about 191 hectares (+174%). New forest grew on about 191 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 Tongliao
What is the air quality (AQI) in Tongliao right now?
The latest reading for Tongliao shows an AQI of 155 (Unhealthy), measured Nov 12, 01:00 local time by the Art vocational school, Tongliao (通辽艺术职业学校) ground monitoring station, 7.6 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 Tongliao today?
At AQI 155 (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 Tongliao been like this week?
Over the last 7 days, the CAMS air-quality model put Tongliao's daily AQI at 75 on average, from 52 on Nov 6 to an hourly peak of 157 on Nov 5. On 1 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Tongliao lost since 2001?
There was almost no forest around Tongliao 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 Tongliao grew from about 110 hectares to 301 hectares, a net gain of about 191 hectares (+174%). New forest grew on about 191 hectares, while under 1 hectare was lost.
What is the tree count in Tongliao?
Tongliao has an estimated 30,473 trees across the 12.57 km² measured — 9.7% tree cover, 30 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Tongliao need?
Tongliao needs roughly 95,190 more trees to close a 30-point shortfall against its 40% tree-cover target — about 2,094 t of extra CO₂ absorbed per year once grown.
How are Tongliao's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Horqin 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 Horqin District; the tree count is an estimate derived from that cover.
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