City report · Henan, China
Hebi Air quality today
Air quality in Hebi currently reads AQI 86 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 86
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 27.8
- tree cover
- 24.6%
- trees in this area
- 76.7K
- more trees needed
- 16.8K
Measured across a 2 km radius around Qibin District, Hebi, Henan, China (12.57 km²), from a satellite image of Sep 10, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hebi · AQI 86 (Moderate)
Hebi's tree count comes to 76,665 trees across 12.47 km² of land, 5 points below the 30% tree-cover level considered healthy for this area, so roughly 16,829 more trees would close the gap.
Air quality detail
Air quality in Hebi today: AQI 86, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 5 station cities within 125 km, e.g. Anyang and Handan
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
27.8
PM10
29.6
NO₂
52.3
O₃
6.0
SO₂
7.2
CO
624.0
- 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 Hebi's daily AQI at 102 on average, from 77 on Nov 8 to an hourly peak of 176 on Nov 7.
Where Hebi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hebi: Below target
24.6% tree cover against a 30% healthy-neighborhood target, across 12.47 km² of land.
Trees in this area
76,665
Target trees
93,494
More trees needed
16,829
CO₂ if planted / yr
370.2 t
Deforestation · 2001–2025
How much forest has Hebi lost?
There was almost no forest around Hebi 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
- 494 ha
- Forest in 2020
- 1,010 ha
- Overall change
- +519 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hebi grew from about 494 hectares to 1,010 hectares, a net gain of about 519 hectares (+105%). New forest grew on about 519 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 Hebi
What is the air quality (AQI) in Hebi right now?
The latest reading for Hebi shows an AQI of 86 (Moderate), observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 125 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 Hebi today?
At AQI 86 (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 Hebi been like this week?
Over the last 7 days, the CAMS air-quality model put Hebi's daily AQI at 102 on average, from 77 on Nov 8 to an hourly peak of 176 on Nov 7. On 4 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Hebi lost since 2001?
There was almost no forest around Hebi 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 Hebi grew from about 494 hectares to 1,010 hectares, a net gain of about 519 hectares (+105%). New forest grew on about 519 hectares, while under 1 hectare was lost.
What is the tree count in Hebi?
Hebi has an estimated 76,665 trees across the 12.47 km² of land measured — 24.6% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Hebi need?
Hebi needs roughly 16,829 more trees to close a 5-point shortfall against its 30% tree-cover target — about 370.2 t of extra CO₂ absorbed per year once grown.
How are Hebi'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 Qibin District; the tree count is an estimate derived from that cover.
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