City report · China · Heilongjiang
Hulan Ergi
Measured across a 2 km radius around Fularji District, Qiqihar, Heilongjiang, China (12.57 km²)
- Tree cover
- 34.0%
- Air quality
- 30Good
- Trees in this area
- 106K
- More trees needed
- 0
- Area analyzed
- 12.46 km²land, in a 12.57 km² circle
- Satellite image
- Sep 24, 2026
Hulan Ergi's tree count comes to 105,853 trees across 12.46 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 30 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
34.0% tree cover against a 30% healthy-neighborhood target, across 12.46 km² of land.
Trees in this area
105,853
Target trees
105,853
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 30Good
Observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.8
PM10
5.0
NO₂
10.2
O₃
64.0
SO₂
3.8
CO
248.0
Frequently asked
Questions about Hulan Ergi
What is the tree count in Hulan Ergi?
Hulan Ergi has an estimated 105,853 trees across the 12.46 km² of land measured — 34.0% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Hulan Ergi need?
Hulan Ergi has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Hulan Ergi right now?
The latest reading for Hulan Ergi shows an AQI of 30 (Good), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Hulan Ergi's tree cover and air quality measured?
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 Fularji District; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS, US EPA index and may differ from street-level monitors.
See your own area
What does your neighborhood look like?
Pick any point and radius to get the same tree-cover and air-quality breakdown.
Check my address