City report · United States
Tri-Cities
Measured across a 2 km radius around Pasco, WA 99301, USA (12.57 km²)
- Tree cover
- 50.9%
- Air quality
- 49Good
- Trees in this area
- 124K
- More trees needed
- 0
- Area analysed
- 9.74 km²land, in a 12.57 km² circle
- Satellite image
- Sep 20, 2026
Tri-Cities's tree count comes to 123,928 trees across 9.74 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 49 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
50.9% tree cover against a 30% healthy-neighbourhood target, across 9.74 km² of land.
Trees in this area
123,928
Target trees
123,928
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 49Good
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
5.7
PM10
6.2
NO₂
14.8
O₃
77.0
SO₂
0.6
CO
252.0
Frequently asked
Questions about Tri-Cities
What is the tree count in Tri-Cities?
Tri-Cities has an estimated 123,928 trees across the 9.74 km² of land measured — 50.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Tri-Cities need?
Tri-Cities has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Tri-Cities right now?
The latest reading for Tri-Cities shows an AQI of 49 (Good), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Tri-Cities'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 Pasco; 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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