- Tree cover
- 52.1%
- Air quality
- 70Moderate
- Trees in this area
- 164K
- More trees needed
- 0
- Area analysed
- 12.57 km²
- Satellite image
- Sep 15, 2026
Chico's tree count comes to 163,677 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 70 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
52.1% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
163,677
Target trees
163,677
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 70Moderate
Observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.9
PM10
12.5
NO₂
4.3
O₃
89.0
SO₂
1.2
CO
153.0
Frequently asked
Questions about Chico
What is the tree count in Chico?
Chico has an estimated 163,677 trees across the 12.57 km² measured — 52.1% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Chico need?
Chico has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Chico right now?
The latest reading for Chico shows an AQI of 70 (Moderate), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Chico'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 Chico; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS and may differ from street-level monitors.
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