City report · United States
Naperville
Measured across a 2 km radius around Naperville Park District, Naperville, IL, USA (12.57 km²)
- Tree cover
- 61.3%
- Air quality
- 34Good
- Trees in this area
- 192K
- More trees needed
- 0
- Area analysed
- 12.56 km²land, in a 12.57 km² circle
- Satellite image
- Sep 11, 2026
Naperville's tree count comes to 192,387 trees across 12.56 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 34 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
61.3% tree cover against a 30% healthy-neighbourhood target, across 12.56 km² of land.
Trees in this area
192,387
Target trees
192,387
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 34Good
Observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
6.8
PM10
7.1
NO₂
12.7
O₃
59.0
SO₂
2.5
CO
160.0
Frequently asked
Questions about Naperville
What is the tree count in Naperville?
Naperville has an estimated 192,387 trees across the 12.56 km² of land measured — 61.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Naperville need?
Naperville has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Naperville right now?
The latest reading for Naperville shows an AQI of 34 (Good), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Naperville'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 Naperville Park District; 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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