City report · Indonesia · East Java
Jember
Measured across a 2 km radius around Jember, Kaliwates, Jember Regency, East Java, Indonesia (12.57 km²)
- Tree cover
- 24.7%
- Air quality
- 74Moderate
- Trees in this area
- 77.6K
- More trees needed
- 16.6K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 26, 2026
Jember's tree count comes to 77,597 trees across 12.57 km² — 5 points below the 30% tree-cover level considered healthy for this area, meaning roughly 16,650 more trees would close the gap. Air quality currently reads AQI 74 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
24.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
77,597
Target trees
94,247
More trees needed
16,650
CO₂ if planted / yr
366.3 t
Air quality detail
AQI 74Moderate
Observed Sep 27, 09:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
23.2
PM10
24.6
NO₂
4.2
O₃
117.0
SO₂
5.6
CO
604.0
Frequently asked
Questions about Jember
What is the tree count in Jember?
Jember has an estimated 77,597 trees across the 12.57 km² measured — 24.7% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Jember need?
Jember needs roughly 16,650 more trees to close a 5-point shortfall against its 30% tree-cover target — about 366.3 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Jember right now?
The latest reading for Jember shows an AQI of 74 (Moderate), observed Sep 27, 09:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Jember'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 Jember; 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.
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